diff --git a/doc/about.html b/doc/about.html
index 8add18d7..2fc28148 100644
--- a/doc/about.html
+++ b/doc/about.html
@@ -11,8 +11,8 @@
           ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
           var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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-        </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">
-			Download GLM 0.9.2.3</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><div><div class="title-date"> </div><div class="title4"> </div><div><p>
+        </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">
+			Download GLM 0.9.2.6</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><div><div class="title-date"> </div><div class="title4"> </div><div><p>
 			OpenGL Mathematics (GLM) is a header only C++ mathematics library for graphics software 
 			based on the <a href="http://www.opengl.org/documentation/glsl/">OpenGL Shading Language (GLSL)</a> specification.
 		</p><p>
diff --git a/doc/code.html b/doc/code.html
index d5764b86..ff7c3b75 100644
--- a/doc/code.html
+++ b/doc/code.html
@@ -11,8 +11,8 @@
         ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
         var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
         })();
-      </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">
-			Download GLM 0.9.2.3</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><span xmlns="http://www.w3.org/1999/xhtml" class="code-title">Compute a triangle normal:</span><ul xmlns="http://www.w3.org/1999/xhtml" class="code-list"><li class="code-line"><span class="code-line-content"><span class="keyword">#include </span><span class="string">&lt;glm/glm.hpp&gt;</span></span></li><li class="code-line"><span class="code-line-content" /></li><li class="code-line"><span class="code-line-content"><span class="keyword">void </span> computeNormal(triangle &amp; Triangle)
+      </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">
+			Download GLM 0.9.2.6</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><span xmlns="http://www.w3.org/1999/xhtml" class="code-title">Compute a triangle normal:</span><ul xmlns="http://www.w3.org/1999/xhtml" class="code-list"><li class="code-line"><span class="code-line-content"><span class="keyword">#include </span><span class="string">&lt;glm/glm.hpp&gt;</span></span></li><li class="code-line"><span class="code-line-content" /></li><li class="code-line"><span class="code-line-content"><span class="keyword">void </span> computeNormal(triangle &amp; Triangle)
       </span></li><li class="code-line"><span class="code-line-content">
         {
       </span></li><li class="code-line"><span class="code-line-content" style="padding-left:32px">
diff --git a/doc/download.html b/doc/download.html
index 937474c5..518d71ee 100644
--- a/doc/download.html
+++ b/doc/download.html
@@ -11,11 +11,14 @@
           ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
           var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
           })();
-        </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">
-			Download GLM 0.9.2.3</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><div><div class="title4">Current release</div></div><div class="issue-content">08/06/2011:
-                <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">GLM 0.9.2.3</a>
+        </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">
+			Download GLM 0.9.2.6</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><div><div class="title4">Current release</div></div><div class="issue-content">01/10/2011:
+                <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">GLM 0.9.2.6</a>
                 (3.4 MB)
-              </div><div class="news-separator">_________________</div><br /><div><div class="title4">GLM - zip files</div><div class="issue-content">08/06/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">GLM 0.9.2.3</a> (3.4 MB)
+              </div><div class="news-separator">_________________</div><br /><div><div class="title4">GLM - zip files</div><div class="issue-content">01/10/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">GLM 0.9.2.6</a> (3.4 MB)
+    </div><div class="issue-content">20/09/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.5/glm-0.9.2.5.zip/download">GLM 0.9.2.5</a> (3.4 MB)
+    </div><div class="issue-content">03/09/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.4/glm-0.9.2.4.zip/download">GLM 0.9.2.4</a> (3.4 MB)
+    </div><div class="issue-content">08/06/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">GLM 0.9.2.3</a> (3.4 MB)
     </div><div class="issue-content">02/06/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.2/glm-0.9.2.2.zip/download">GLM 0.9.2.2</a> (3.4 MB)
     </div><div class="issue-content">24/05/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.1/glm-0.9.2.1.zip/download">GLM 0.9.2.1</a> (3.4 MB)
     </div><div class="issue-content">08/05/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.0/glm-0.9.2.0.zip/download">GLM 0.9.2.0</a> (3.4 MB)
@@ -76,7 +79,10 @@
     </div><div class="issue-content">02/19/2006: <a href="http://prdownloads.sourceforge.net/glf/glm-0.3.zip?download">GLM 0.3.0.0</a> (945 KB)
     </div><div class="issue-content">05/05/2005: <a href="http://prdownloads.sourceforge.net/glf/glm-0.2.zip?download">GLM 0.2.0.0</a> (194 KB)
     </div><div class="issue-content">02/21/2005: <a href="http://prdownloads.sourceforge.net/glf/glm-0.1-ur.zip?download">GLM 0.1.0.0</a> (29.2 KB)
-    </div></div><div class="news-separator">_________________</div><br /><div><div class="title4">GLM - 7z files</div><div class="issue-content">08/06/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.7z/download">GLM 0.9.2.3</a> (2.1 MB)
+    </div></div><div class="news-separator">_________________</div><br /><div><div class="title4">GLM - 7z files</div><div class="issue-content">01/10/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.7z/download">GLM 0.9.2.6</a> (2.1 MB)
+    </div><div class="issue-content">20/09/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.5/glm-0.9.2.5.7z/download">GLM 0.9.2.5</a> (2.1 MB)
+    </div><div class="issue-content">03/09/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.4/glm-0.9.2.4.7z/download">GLM 0.9.2.4</a> (2.1 MB)
+    </div><div class="issue-content">08/06/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.7z/download">GLM 0.9.2.3</a> (2.1 MB)
     </div><div class="issue-content">02/06/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.2/glm-0.9.2.2.7z/download">GLM 0.9.2.2</a> (2.1 MB)
     </div><div class="issue-content">24/05/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.1/glm-0.9.2.1.7z/download">GLM 0.9.2.1</a> (2.1 MB)
     </div><div class="issue-content">08/05/2011: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.0/glm-0.9.2.0.7z/download">GLM 0.9.2.0</a> (2.1 MB)
diff --git a/doc/goodies.html b/doc/goodies.html
index 5466f985..5027b0dc 100644
--- a/doc/goodies.html
+++ b/doc/goodies.html
@@ -11,5 +11,5 @@
           ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
           var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
           })();
-        </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">
-			Download GLM 0.9.2.3</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><div><div class="title-date">16/10/2008</div><div class="title4">GLM Logo</div><div><table style="width:100%;"><tr style="width:100%;"><td><p />Download: <a href="./goodies/logo2560x1600.png">2560x1600</a><br />Download: <a href="./goodies/logo1920x1200.png">1920x1200</a><br />Download: <a href="./goodies/logo1600x1000.png">1600x1000</a><br />Download: <a href="./goodies/logo1280x0800.png">1280x0800</a><br />Download: <a href="./goodies/logo1024x0640.png">1024x0640</a><br /></td><td style="text-align:right;"><a ref="goodies/logo.png"><img src="image/logo-mini.png" alt=" " /></a></td></tr></table></div><div class="news-separator">_________________</div><br /></div><div><div class="title-date">16/10/2008</div><div class="title4">GLM Font</div><div><table style="width:100%;"><tr style="width:100%;"><td><p />Download: <a href="./goodies/tenby-five.otf">Font (.otf)</a><br /></td><td style="text-align:right;"><a ref="goodies/font.png"><img src="image/font-mini.png" alt=" " /></a></td></tr></table></div><div class="news-separator">_________________</div><br /></div><div class="email"><img src="./common/email.png" alt="email not available as text" /></div><div class="news-separator">_________________</div><br /><div class="title3">Copyright � 2005 - 2011<a href="http://www.g-truc.net">G-Truc Creation</a></div></td></tr></table></body></html>
\ No newline at end of file
+        </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">
+			Download GLM 0.9.2.6</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><div><div class="title-date">16/10/2008</div><div class="title4">GLM Logo</div><div><table style="width:100%;"><tr style="width:100%;"><td><p />Download: <a href="./goodies/logo2560x1600.png">2560x1600</a><br />Download: <a href="./goodies/logo1920x1200.png">1920x1200</a><br />Download: <a href="./goodies/logo1600x1000.png">1600x1000</a><br />Download: <a href="./goodies/logo1280x0800.png">1280x0800</a><br />Download: <a href="./goodies/logo1024x0640.png">1024x0640</a><br /></td><td style="text-align:right;"><a ref="goodies/logo.png"><img src="image/logo-mini.png" alt=" " /></a></td></tr></table></div><div class="news-separator">_________________</div><br /></div><div><div class="title-date">16/10/2008</div><div class="title4">GLM Font</div><div><table style="width:100%;"><tr style="width:100%;"><td><p />Download: <a href="./goodies/tenby-five.otf">Font (.otf)</a><br /></td><td style="text-align:right;"><a ref="goodies/font.png"><img src="image/font-mini.png" alt=" " /></a></td></tr></table></div><div class="news-separator">_________________</div><br /></div><div class="email"><img src="./common/email.png" alt="email not available as text" /></div><div class="news-separator">_________________</div><br /><div class="title3">Copyright � 2005 - 2011<a href="http://www.g-truc.net">G-Truc Creation</a></div></td></tr></table></body></html>
\ No newline at end of file
diff --git a/doc/index.html b/doc/index.html
index e625cd84..b366d0f4 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -11,8 +11,8 @@
           ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
           var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
           })();
-        </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">
-			Download GLM 0.9.2.3</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><p>
+        </script></head><body><table><tr><td class="menu"><div class="menu1"><br /><div><a href="./goodies/logo1920x1200.png"><img class="menu-img" src="./common/logo.png" alt="GLM Logo" /></a></div><br /><div><a class="menu" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">
+			Download GLM 0.9.2.6</a></div></div><br /><div class="menu2"><a href="./index.html">Front page</a></div><div class="menu2"><a href="./download.html">Downloads</a></div><div class="menu2"><a href="http://www.opengl.org/sdk/libs/GLM/">OpenGL SDK page</a></div><br /><div class="menu2"><a href="./glm-0.9.2.pdf">GLM Manual</a></div><div class="menu2"><a href="./api-0.9.2/index.html">GLM API</a></div><div class="menu2"><a href="./code.html">Code samples</a></div><div class="menu2"><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf">GLSL Specification</a></div><div class="menu2"><a href="http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=postlist&amp;Board=10&amp;page=1">OpenGL.org Toolkits forum</a></div><br /><div class="menu2"><a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Report a bug</a></div><div class="menu2"><a href="https://sourceforge.net/projects/ogl-math/">SourceForge page</a></div><div class="menu2"><a href="http://www.g-truc.net/project-0016.html#menu">G-Truc Creation page</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=summary">Browse Git repository</a></div><div class="menu2"><a href="http://ogl-math.git.sourceforge.net/git/gitweb.cgi?p=ogl-math/ogl-math;a=snapshot;h=HEAD;sf=tgz">Source snapshot</a></div><br /><br /><div class="menu2"><a href="http://www.g-truc.net"><img class="menu-img" src="./common/g-truc.png" alt="G-Truc" /></a></div><br /></td><td class="page"><div class="title1"><img src="./common/title.png" alt="OpenGL Mathematics" /></div><div class="title3">GLSL + Optional features = OpenGL Mathematics (GLM)<br />A C++ mathematics library for graphics programming<br /></div><br /><br /><p>
 			OpenGL Mathematics (GLM) is a header only C++ mathematics library for graphics software 
 			based on the <a href="http://www.opengl.org/documentation/glsl/">OpenGL Shading Language (GLSL)</a> specification.
 		</p><p>
@@ -33,8 +33,16 @@
 		</p><p>
 			Thanks for contributing to the project by <a href="https://sourceforge.net/apps/trac/ogl-math/newticket">submitting tickets</a> for bug reports and feature requests. (SF.net account required).
 			Any feedback is welcome at glm@g-truc.net.
-		</p><br /><div><h3>08/06/2011 - GLM 0.9.2.3 released</h3><div><p>
-			  This version only fixes a couple a major bugs introduced in GLM 0.9.2.2. 
+		</p><br /><div><h3>01/10/2011 - GLM 0.9.2.6 released</h3><div><p>
+        Half based vector types have been fixed on GCC 4.4 and below, missing l-value swizzle operations added and a couple of other bugs squeezed down.
+      </p><p>
+        Finally, all the Visual C++ /W4 warnings should have been removed. However, for this to happen, it is required to build with the Visual C++ language extension disabled (/Za).
+      </p>Download: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">GLM 0.9.2.6 (zip)</a><br />Download: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.7z/download">GLM 0.9.2.6 (7z)</a><br />Link: <a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Submit a bug report</a><br /></div><br /></div><div><h3>20/09/2011 - GLM 0.9.2.5 released</h3><div><p>
+        This update fixes some major core issues including the implementation of round, floatBitToXint, pack and unpack functions.
+      </p>Download: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.5/glm-0.9.2.5.zip/download">GLM 0.9.2.5 (zip)</a><br />Download: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.5/glm-0.9.2.5.7z/download">GLM 0.9.2.5 (7z)</a><br />Link: <a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Submit a bug report</a><br /></div><br /></div><div><h3>03/09/2011 - GLM 0.9.2.4 released</h3><div><p>
+			  Fixed bugs and warnings reported by GLM users. Thanks!
+		  </p>Download: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.4/glm-0.9.2.4.zip/download">GLM 0.9.2.4 (zip)</a><br />Download: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.4/glm-0.9.2.4.7z/download">GLM 0.9.2.4 (7z)</a><br />Link: <a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Submit a bug report</a><br /></div><br /></div><div><h3>08/06/2011 - GLM 0.9.2.3 released</h3><div><p>
+			  This version only fixes a couple of major bugs introduced in GLM 0.9.2.2. 
 		  </p>Download: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download">GLM 0.9.2.3 (zip)</a><br />Download: <a href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.7z/download">GLM 0.9.2.3 (7z)</a><br />Link: <a href="https://sourceforge.net/apps/trac/ogl-math/newticket">Submit a bug report</a><br /></div><br /></div><div><h3>02/06/2011 - GLM 0.9.2.2 released</h3><div><p>
 			The main improvement of this version comes from the extended number of matrix constructors so that a programmer can used different scalar types for each parameter.
 		  </p><ul xmlns="http://www.w3.org/1999/xhtml" class="code-list"><li class="code-line"><span class="code-line-content"><span class="keyword">#include </span><span class="string">&lt;glm/glm.hpp&gt;</span></span></li><li class="code-line"><span class="code-line-content" /></li><li class="code-line"><span class="code-line-content"><span class="comment">// Create an identity matrix</span></span></li><li class="code-line"><span class="code-line-content">
diff --git a/doc/pages.doxy b/doc/pages.doxy
index 1115d6ab..d30242e2 100644
--- a/doc/pages.doxy
+++ b/doc/pages.doxy
@@ -265,7 +265,7 @@ void foo()
 	
 	\section advanced_inline Force Inline
 	
-	GLM's functions are defined in headers, so they are defined with C++'s "inline" delcaration. 
+	GLM's functions are defined in headers, so they are defined with C++'s "inline" declaration. 
 	This does not require the compiler to inline them, however. 
 	To force the compiler to inline the function, using whatever capabilities that the compiler provides to do so, 
 	GLM_FORCE_INLINE can be defined before any inclusion of <glm/glm.hpp>.
diff --git a/doc/src/data.xml b/doc/src/data.xml
index 7c79a9a7..f703ca7d 100644
--- a/doc/src/data.xml
+++ b/doc/src/data.xml
@@ -3,6 +3,7 @@
 <glm copyright="Copyright © 2005 - 2011">
   <downloads>
     <section name="GLM - zip files">
+      <download name="GLM 0.9.2.6" date="01/10/2011" size="3.4 MB" link="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download"/>
       <download name="GLM 0.9.2.5" date="20/09/2011" size="3.4 MB" link="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.5/glm-0.9.2.5.zip/download"/>
 		<download name="GLM 0.9.2.4" date="03/09/2011" size="3.4 MB" link="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.4/glm-0.9.2.4.zip/download"/>
 		<download name="GLM 0.9.2.3" date="08/06/2011" size="3.4 MB" link="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.zip/download"/>
@@ -68,6 +69,7 @@
       <download name="GLM 0.1.0.0" date="02/21/2005" size="29.2 KB" link="http://prdownloads.sourceforge.net/glf/glm-0.1-ur.zip?download"/>
     </section>
     <section name="GLM - 7z files">
+      <download name="GLM 0.9.2.6" date="01/10/2011" size="2.1 MB" link="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.7z/download"/>
       <download name="GLM 0.9.2.5" date="20/09/2011" size="2.1 MB" link="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.5/glm-0.9.2.5.7z/download"/>
 		<download name="GLM 0.9.2.4" date="03/09/2011" size="2.1 MB" link="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.4/glm-0.9.2.4.7z/download"/>
 		<download name="GLM 0.9.2.3" date="08/06/2011" size="2.1 MB" link="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.3/glm-0.9.2.3.7z/download"/>
@@ -160,6 +162,19 @@
   </todo>
 
   <page_news>
+    <news index="0071" date="01/10/2011" title="GLM 0.9.2.6 released" image="goodies/logo.png" image-mini="image/logo-mini.png">
+      <paragraph>
+        Half based vector types have been fixed on GCC 4.4 and below, missing l-value swizzle operations added and a couple of other bugs squeezed down.
+      </paragraph>
+      <paragraph>
+        Finally, all the Visual C++ /W4 warnings should have been removed. However, for this to happen, it is required to build with the Visual C++ language extension disabled (/Za).
+      </paragraph>
+
+      <source type="Download" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.zip/download">GLM 0.9.2.6 (zip)</source>
+      <source type="Download" href="https://sourceforge.net/projects/ogl-math/files/glm-0.9.2.6/glm-0.9.2.6.7z/download">GLM 0.9.2.6 (7z)</source>
+      <source type="Link" href="https://sourceforge.net/apps/trac/ogl-math/newticket">Submit a bug report</source>
+    </news>
+    
     <news index="0070" date="20/09/2011" title="GLM 0.9.2.5 released" image="goodies/logo.png" image-mini="image/logo-mini.png">
       <paragraph>
         This update fixes some major core issues including the implementation of round, floatBitToXint, pack and unpack functions.
diff --git a/glm/core/_detail.hpp b/glm/core/_detail.hpp
index e6d2e128..6300ebbe 100644
--- a/glm/core/_detail.hpp
+++ b/glm/core/_detail.hpp
@@ -345,8 +345,92 @@ namespace detail
 	typedef float								float32;
 	typedef double								float64;
 	
-}//namespace detail
+	//////////////////
+	// float_or_int_trait 
 
+	struct float_or_int_value
+	{
+		enum
+		{
+			ERROR,
+			FLOAT,
+			INT
+		};
+	};
+
+	template <typename T>
+	struct float_or_int_trait
+	{
+		enum{ID = float_or_int_value::ERROR};
+	};
+
+	template <>
+	struct float_or_int_trait<int8>
+	{
+		enum{ID = float_or_int_value::INT};
+	};
+
+	template <>
+	struct float_or_int_trait<int16>
+	{
+		enum{ID = float_or_int_value::INT};
+	};
+
+	template <>
+	struct float_or_int_trait<int32>
+	{
+		enum{ID = float_or_int_value::INT};
+	};
+
+	template <>
+	struct float_or_int_trait<int64>
+	{
+		enum{ID = float_or_int_value::INT};
+	};
+
+	template <>
+	struct float_or_int_trait<uint8>
+	{
+		enum{ID = float_or_int_value::INT};
+	};
+
+	template <>
+	struct float_or_int_trait<uint16>
+	{
+		enum{ID = float_or_int_value::INT};
+	};
+
+	template <>
+	struct float_or_int_trait<uint32>
+	{
+		enum{ID = float_or_int_value::INT};
+	};
+
+	template <>
+	struct float_or_int_trait<uint64>
+	{
+		enum{ID = float_or_int_value::INT};
+	};
+
+	template <>
+	struct float_or_int_trait<float16>
+	{
+		enum{ID = float_or_int_value::FLOAT};
+	};
+
+	template <>
+	struct float_or_int_trait<float32>
+	{
+		enum{ID = float_or_int_value::FLOAT};
+	};
+
+	template <>
+	struct float_or_int_trait<float64>
+	{
+		enum{ID = float_or_int_value::FLOAT};
+	};
+
+}//namespace detail
 }//namespace glm
 
 #if((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2005))
diff --git a/glm/core/func_common.inl b/glm/core/func_common.inl
index 06a45018..0d587d66 100644
--- a/glm/core/func_common.inl
+++ b/glm/core/func_common.inl
@@ -42,6 +42,7 @@ namespace detail
                 detail::type<genFIType>::is_float || 
                 detail::type<genFIType>::is_int, "'abs' only accept floating-point and integer inputs");
             return x >= genFIType(0) ? x : -x;
+			// TODO, perf comp with: *(((int *) &x) + 1) &= 0x7fffffff;
         }
     };
 
diff --git a/glm/core/func_exponential.inl b/glm/core/func_exponential.inl
index c8c385f7..c1ffee92 100644
--- a/glm/core/func_exponential.inl
+++ b/glm/core/func_exponential.inl
@@ -224,6 +224,30 @@ namespace glm
             exp2(x.w));
     }
 
+namespace detail
+{
+	template <int PATH = float_or_int_value::ERROR>
+	struct compute_log2
+	{
+		template <typename T>
+		T operator() (T const & Value) const
+		{
+			static_assert(0, "'log2' parameter has an invalid template parameter type");
+			return Value;
+		}
+	};
+
+	template <>
+	struct compute_log2<float_or_int_value::FLOAT>
+	{
+		template <typename T>
+		T operator() (T const & Value) const
+		{
+			return ::std::log(Value) / T(0.69314718055994530941723212145818);
+		}
+	};
+}//namespace detail
+
     // log2, ln2 = 0.69314718055994530941723212145818f
     template <typename genType>
     GLM_FUNC_QUALIFIER genType log2
@@ -231,9 +255,7 @@ namespace glm
 		genType const & x
 	)
     {
-		GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'log2' only accept floating-point input");
-
-        return ::std::log(x) / genType(0.69314718055994530941723212145818);
+		return detail::compute_log2<detail::float_or_int_trait<genType>::ID>()(x);
     }
 
     template <typename T>
diff --git a/glm/core/func_integer.inl b/glm/core/func_integer.inl
index fb91defc..31f9684f 100644
--- a/glm/core/func_integer.inl
+++ b/glm/core/func_integer.inl
@@ -26,6 +26,11 @@
 /// @author Christophe Riccio
 ///////////////////////////////////////////////////////////////////////////////////
 
+#if(GLM_COMPILER & GLM_COMPILER_VC)
+#include <intrin.h>
+#pragma intrinsic(_BitScanReverse)
+#endif
+
 namespace glm
 {
 	// uaddCarry
@@ -550,6 +555,32 @@ namespace glm
 	}
 
 	// findMSB
+#if(GLM_COMPILER & GLM_COMPILER_VC)
+
+	template <typename genIUType>
+	GLM_FUNC_QUALIFIER int findMSB
+	(
+		genIUType const & Value
+	)
+	{
+		unsigned long Result(0);
+		_BitScanReverse(&Result, Value); 
+		return int(Result);
+	}
+
+#elif((GLM_COMPILER & GLM_COMPILER_GCC) && __has_builtin(__builtin_clz))
+
+	template <typename genIUType>
+	GLM_FUNC_QUALIFIER int findMSB
+	(
+		genIUType const & Value
+	)
+	{
+		return __builtin_clz(x);
+	}
+
+#else
+
 	template <typename genIUType>
 	GLM_FUNC_QUALIFIER int findMSB
 	(
@@ -564,6 +595,7 @@ namespace glm
 		for(genIUType tmp = Value; tmp; tmp >>= 1, ++bit){}
 		return bit;
 	}
+#endif//(GLM_COMPILER)
 
 	template <typename T>
 	GLM_FUNC_QUALIFIER detail::tvec2<int> findMSB
diff --git a/glm/core/func_noise.inl b/glm/core/func_noise.inl
index d53fb299..91e0eb3d 100644
--- a/glm/core/func_noise.inl
+++ b/glm/core/func_noise.inl
@@ -22,11 +22,343 @@
 ///
 /// @ref core
 /// @file glm/core/func_noise.inl
-/// @date 2008-08-01 / 2011-06-15
+/// @date 2008-08-01 / 2011-09-27
 /// @author Christophe Riccio
 ///////////////////////////////////////////////////////////////////////////////////
 
 namespace glm
-{
+{	
+	template <typename T>
+	GLM_FUNC_QUALIFIER T noise1(T const & x)
+	{
+		return noise1(glm::detail::tvec2<T>(x, T(0)));
+	}
 
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec2<T> noise2(T const & x)
+	{
+		return glm::detail::tvec2<T>(
+			noise1(x + T(0.0)),
+			noise1(x + T(1.0)));
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec3<T> noise3(T const & x)
+	{
+		return glm::detail::tvec3<T>(
+			noise1(x - T(1.0)),
+			noise1(x + T(0.0)),
+			noise1(x + T(1.0)));
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec4<T> noise4(T const & x)
+	{
+		return glm::detail::tvec4<T>(
+			noise1(x - T(1.0)),
+			noise1(x + T(0.0)),
+			noise1(x + T(1.0)),
+			noise1(x + T(2.0)));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER T noise1(glm::detail::tvec2<T> const & v)
+	{
+		detail::tvec4<T> const C = detail::tvec4<T>(
+													T( 0.211324865405187),  // (3.0 -  sqrt(3.0)) / 6.0
+													T( 0.366025403784439),  //  0.5 * (sqrt(3.0)  - 1.0)
+													T(-0.577350269189626),	// -1.0 + 2.0 * C.x
+													T( 0.024390243902439)); //  1.0 / 41.0
+		
+		// First corner
+		detail::tvec2<T> i  = floor(v + dot(v, detail::tvec2<T>(C[1])));
+		detail::tvec2<T> x0 = v -   i + dot(i, detail::tvec2<T>(C[0]));
+		
+		// Other corners
+		//i1.x = step( x0.y, x0.x ); // x0.x > x0.y ? 1.0 : 0.0
+		//i1.y = 1.0 - i1.x;
+		detail::tvec2<T> i1 = (x0.x > x0.y) ? detail::tvec2<T>(1, 0) : detail::tvec2<T>(0, 1);
+		// x0 = x0 - 0.0 + 0.0 * C.xx ;
+		// x1 = x0 - i1 + 1.0 * C.xx ;
+		// x2 = x0 - 1.0 + 2.0 * C.xx ;
+		detail::tvec4<T> x12 = detail::tvec4<T>(x0.x, x0.y, x0.x, x0.y) + detail::tvec4<T>(C.x, C.x, C.z, C.z);
+		x12 = detail::tvec4<T>(detail::tvec2<T>(x12) - i1, x12.z, x12.w);
+		
+		// Permutations
+		i = mod(i, T(289)); // Avoid truncation effects in permutation
+		detail::tvec3<T> p = permute(
+									 permute(i.y + detail::tvec3<T>(T(0), i1.y, T(1)))
+									 + i.x + detail::tvec3<T>(T(0), i1.x, T(1)));
+		
+		detail::tvec3<T> m = max(T(0.5) - detail::tvec3<T>(
+														   dot(x0, x0), 
+														   dot(detail::tvec2<T>(x12.x, x12.y), detail::tvec2<T>(x12.x, x12.y)), 
+														   dot(detail::tvec2<T>(x12.z, x12.w), detail::tvec2<T>(x12.z, x12.w))), T(0));
+		m = m * m ;
+		m = m * m ;
+		
+		// Gradients: 41 points uniformly over a line, mapped onto a diamond.
+		// The ring size 17*17 = 289 is close to a multiple of 41 (41*7 = 287)
+		
+		detail::tvec3<T> x = T(2) * fract(p * C.w) - T(1);
+		detail::tvec3<T> h = abs(x) - T(0.5);
+		detail::tvec3<T> ox = floor(x + T(0.5));
+		detail::tvec3<T> a0 = x - ox;
+		
+		// Normalise gradients implicitly by scaling m
+		// Inlined for speed: m *= taylorInvSqrt( a0*a0 + h*h );
+		m *= T(1.79284291400159) - T(0.85373472095314) * (a0 * a0 + h * h);
+		
+		// Compute final noise value at P
+		detail::tvec3<T> g;
+		g.x  = a0.x  * x0.x  + h.x  * x0.y;
+		//g.yz = a0.yz * x12.xz + h.yz * x12.yw;
+		g.y = a0.y * x12.x + h.y * x12.y;
+		g.z = a0.z * x12.z + h.z * x12.w;
+		return T(130) * dot(m, g);
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER T noise1(detail::tvec3<T> const & v)
+	{ 
+		detail::tvec2<T> const C(1.0 / 6.0, 1.0 / 3.0);
+		detail::tvec4<T> const D(0.0, 0.5, 1.0, 2.0);
+		
+		// First corner
+		detail::tvec3<T> i(floor(v + dot(v, detail::tvec3<T>(C.y))));
+		detail::tvec3<T> x0(v - i + dot(i, detail::tvec3<T>(C.x)));
+		
+		// Other corners
+		detail::tvec3<T> g(step(detail::tvec3<T>(x0.y, x0.z, x0.x), x0));
+		detail::tvec3<T> l(T(1) - g);
+		detail::tvec3<T> i1(min(g, detail::tvec3<T>(l.z, l.x, l.y)));
+		detail::tvec3<T> i2(max(g, detail::tvec3<T>(l.z, l.x, l.y)));
+		
+		//   x0 = x0 - 0.0 + 0.0 * C.xxx;
+		//   x1 = x0 - i1  + 1.0 * C.xxx;
+		//   x2 = x0 - i2  + 2.0 * C.xxx;
+		//   x3 = x0 - 1.0 + 3.0 * C.xxx;
+		detail::tvec3<T> x1(x0 - i1 + C.x);
+		detail::tvec3<T> x2(x0 - i2 + C.y); // 2.0*C.x = 1/3 = C.y
+		detail::tvec3<T> x3(x0 - D.y);      // -1.0+3.0*C.x = -0.5 = -D.y
+		
+		// Permutations
+		i = mod289(i); 
+		detail::tvec4<T> p(permute(permute(permute( 
+												   i.z + detail::tvec4<T>(T(0), i1.z, i2.z, T(1))) + 
+										   i.y + detail::tvec4<T>(T(0), i1.y, i2.y, T(1))) + 
+								   i.x + detail::tvec4<T>(T(0), i1.x, i2.x, T(1))));
+		
+		// Gradients: 7x7 points over a square, mapped onto an octahedron.
+		// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
+		T n_ = T(0.142857142857); // 1.0/7.0
+		detail::tvec3<T> ns(n_ * detail::tvec3<T>(D.w, D.y, D.z) - detail::tvec3<T>(D.x, D.z, D.x));
+		
+		detail::tvec4<T> j(p - T(49) * floor(p * ns.z * ns.z));  //  mod(p,7*7)
+		
+		detail::tvec4<T> x_(floor(j * ns.z));
+		detail::tvec4<T> y_(floor(j - T(7) * x_));    // mod(j,N)
+		
+		detail::tvec4<T> x(x_ * ns.x + ns.y);
+		detail::tvec4<T> y(y_ * ns.x + ns.y);
+		detail::tvec4<T> h(T(1) - abs(x) - abs(y));
+		
+		detail::tvec4<T> b0(x.x, x.y, y.x, y.y);
+		detail::tvec4<T> b1(x.z, x.w, y.z, y.w);
+		
+		// vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
+		// vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
+		detail::tvec4<T> s0(floor(b0) * T(2) + T(1));
+		detail::tvec4<T> s1(floor(b1) * T(2) + T(1));
+		detail::tvec4<T> sh(-step(h, detail::tvec4<T>(0.0)));
+		
+		detail::tvec4<T> a0 = detail::tvec4<T>(b0.x, b0.z, b0.y, b0.w) + detail::tvec4<T>(s0.x, s0.z, s0.y, s0.w) * detail::tvec4<T>(sh.x, sh.x, sh.y, sh.y);
+		detail::tvec4<T> a1 = detail::tvec4<T>(b1.x, b1.z, b1.y, b1.w) + detail::tvec4<T>(s1.x, s1.z, s1.y, s1.w) * detail::tvec4<T>(sh.z, sh.z, sh.w, sh.w);
+		
+		detail::tvec3<T> p0(a0.x, a0.y, h.x);
+		detail::tvec3<T> p1(a0.z, a0.w, h.y);
+		detail::tvec3<T> p2(a1.x, a1.y, h.z);
+		detail::tvec3<T> p3(a1.z, a1.w, h.w);
+		
+		// Normalise gradients
+		detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3)));
+		p0 *= norm.x;
+		p1 *= norm.y;
+		p2 *= norm.z;
+		p3 *= norm.w;
+		
+		// Mix final noise value
+		detail::tvec4<T> m = max(T(0.6) - detail::tvec4<T>(dot(x0, x0), dot(x1, x1), dot(x2, x2), dot(x3, x3)), T(0));
+		m = m * m;
+		return T(42) * dot(m * m, detail::tvec4<T>(dot(p0, x0), dot(p1, x1), dot(p2, x2), dot(p3, x3)));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER T noise1(detail::tvec4<T> const & v)
+	{
+		detail::tvec4<T> const C(
+								 0.138196601125011,  // (5 - sqrt(5))/20  G4
+								 0.276393202250021,  // 2 * G4
+								 0.414589803375032,  // 3 * G4
+								 -0.447213595499958); // -1 + 4 * G4
+		
+		// (sqrt(5) - 1)/4 = F4, used once below
+		T const F4 = T(0.309016994374947451);
+		
+		// First corner
+		detail::tvec4<T> i  = floor(v + dot(v, vec4(F4)));
+		detail::tvec4<T> x0 = v -   i + dot(i, vec4(C.x));
+		
+		// Other corners
+		
+		// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI)
+		detail::tvec4<T> i0;
+		detail::tvec3<T> isX = step(detail::tvec3<T>(x0.y, x0.z, x0.w), detail::tvec3<T>(x0.x));
+		detail::tvec3<T> isYZ = step(detail::tvec3<T>(x0.z, x0.w, x0.w), detail::tvec3<T>(x0.y, x0.y, x0.z));
+		//  i0.x = dot(isX, vec3(1.0));
+		//i0.x = isX.x + isX.y + isX.z;
+		//i0.yzw = T(1) - isX;
+		i0 = detail::tvec4<T>(isX.x + isX.y + isX.z, T(1) - isX);
+		//  i0.y += dot(isYZ.xy, vec2(1.0));
+		i0.y += isYZ.x + isYZ.y;
+		//i0.zw += 1.0 - detail::tvec2<T>(isYZ.x, isYZ.y);
+		i0.z += T(1) - isYZ.x;
+		i0.w += T(1) - isYZ.y;
+		i0.z += isYZ.z;
+		i0.w += T(1) - isYZ.z;
+		
+		// i0 now contains the unique values 0,1,2,3 in each channel
+		detail::tvec4<T> i3 = clamp(i0, 0.0, 1.0);
+		detail::tvec4<T> i2 = clamp(i0 - 1.0, 0.0, 1.0);
+		detail::tvec4<T> i1 = clamp(i0 - 2.0, 0.0, 1.0);
+		
+		//  x0 = x0 - 0.0 + 0.0 * C.xxxx
+		//  x1 = x0 - i1  + 0.0 * C.xxxx
+		//  x2 = x0 - i2  + 0.0 * C.xxxx
+		//  x3 = x0 - i3  + 0.0 * C.xxxx
+		//  x4 = x0 - 1.0 + 4.0 * C.xxxx
+		detail::tvec4<T> x1 = x0 - i1 + C.x;
+		detail::tvec4<T> x2 = x0 - i2 + C.y;
+		detail::tvec4<T> x3 = x0 - i3 + C.z;
+		detail::tvec4<T> x4 = x0 + C.w;
+		
+		// Permutations
+		i = mod(i, T(289)); 
+		T j0 = permute(permute(permute(permute(i.w) + i.z) + i.y) + i.x);
+		detail::tvec4<T> j1 = permute(permute(permute(permute(
+															  i.w + detail::tvec4<T>(i1.w, i2.w, i3.w, T(1)))
+													  + i.z + detail::tvec4<T>(i1.z, i2.z, i3.z, T(1)))
+											  + i.y + detail::tvec4<T>(i1.y, i2.y, i3.y, T(1)))
+									  + i.x + detail::tvec4<T>(i1.x, i2.x, i3.x, T(1)));
+		
+		// Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope
+		// 7*7*6 = 294, which is close to the ring size 17*17 = 289.
+		detail::tvec4<T> ip = detail::tvec4<T>(T(1) / T(294), T(1) / T(49), T(1) / T(7), T(0));
+		
+		detail::tvec4<T> p0 = grad4(j0,   ip);
+		detail::tvec4<T> p1 = grad4(j1.x, ip);
+		detail::tvec4<T> p2 = grad4(j1.y, ip);
+		detail::tvec4<T> p3 = grad4(j1.z, ip);
+		detail::tvec4<T> p4 = grad4(j1.w, ip);
+		
+		// Normalise gradients
+		detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3)));
+		p0 *= norm.x;
+		p1 *= norm.y;
+		p2 *= norm.z;
+		p3 *= norm.w;
+		p4 *= taylorInvSqrt(dot(p4, p4));
+		
+		// Mix contributions from the five corners
+		detail::tvec3<T> m0 = max(T(0.6) - detail::tvec3<T>(dot(x0, x0), dot(x1, x1), dot(x2, x2)), T(0));
+		detail::tvec2<T> m1 = max(T(0.6) - detail::tvec2<T>(dot(x3, x3), dot(x4, x4)             ), T(0));
+		m0 = m0 * m0;
+		m1 = m1 * m1;
+		return T(49) * 
+		(dot(m0 * m0, detail::tvec3<T>(dot(p0, x0), dot(p1, x1), dot(p2, x2))) + 
+		 dot(m1 * m1, detail::tvec2<T>(dot(p3, x3), dot(p4, x4))));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec2<T> noise2(glm::detail::tvec2<T> const & x)
+	{
+		return glm::detail::tvec2<T>(
+			noise1(x + glm::detail::tvec2<T>(0.0)),
+			noise1(glm::detail::tvec2<T>(0.0) - x));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec2<T> noise2(glm::detail::tvec3<T> const & x)
+	{
+		return glm::detail::tvec2<T>(
+			noise1(x + glm::detail::tvec3<T>(0.0)),
+			noise1(glm::detail::tvec3<T>(0.0) - x));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec2<T> noise2(glm::detail::tvec4<T> const & x)
+	{
+		return glm::detail::tvec2<T>(
+			noise1(x + glm::detail::tvec4<T>(0.0)),
+			noise1(glm::detail::tvec4<T>(0.0) - x));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec3<T> noise3(glm::detail::tvec2<T> const & x)
+	{
+		return glm::detail::tvec3<T>(
+			noise1(x - glm::detail::tvec2<T>(1.0)),
+			noise1(x + glm::detail::tvec2<T>(0.0)),
+			noise1(x + glm::detail::tvec2<T>(1.0)));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec3<T> noise3(glm::detail::tvec3<T> const & x)
+	{
+		return glm::detail::tvec3<T>(
+			noise1(x - glm::detail::tvec3<T>(1.0)),
+			noise1(x + glm::detail::tvec3<T>(0.0)),
+			noise1(x + glm::detail::tvec3<T>(1.0)));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec3<T> noise3(glm::detail::tvec4<T> const & x)
+	{
+		return glm::detail::tvec3<T>(
+			noise1(x - glm::detail::tvec4<T>(1.0)),
+			noise1(x + glm::detail::tvec4<T>(0.0)),
+			noise1(x + glm::detail::tvec4<T>(1.0)));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec4<T> noise4(glm::detail::tvec2<T> const & x)
+	{
+		return glm::detail::tvec4<T>(
+			noise1(x - glm::detail::tvec2<T>(1.0)),
+			noise1(x + glm::detail::tvec2<T>(0.0)),
+			noise1(x + glm::detail::tvec2<T>(1.0)),
+			noise1(x + glm::detail::tvec2<T>(2.0)));
+	}
+
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec4<T> noise4(glm::detail::tvec3<T> const & x)
+	{
+		return glm::detail::tvec4<T>(
+			noise1(x - glm::detail::tvec3<T>(1.0)),
+			noise1(x + glm::detail::tvec3<T>(0.0)),
+			noise1(x + glm::detail::tvec3<T>(1.0)),
+			noise1(x + glm::detail::tvec3<T>(2.0)));
+	}
+	
+	template <typename T>
+	GLM_FUNC_QUALIFIER glm::detail::tvec4<T> noise4(glm::detail::tvec4<T> const & x)
+	{
+		return glm::detail::tvec4<T>(
+			noise1(x - glm::detail::tvec4<T>(1.0)),
+			noise1(x + glm::detail::tvec4<T>(0.0)),
+			noise1(x + glm::detail::tvec4<T>(1.0)),
+			noise1(x + glm::detail::tvec4<T>(2.0)));
+	}
+	
 }//namespace glm
diff --git a/glm/core/func_packing.inl b/glm/core/func_packing.inl
index f30f9844..4b8c6bcd 100644
--- a/glm/core/func_packing.inl
+++ b/glm/core/func_packing.inl
@@ -144,7 +144,7 @@ GLM_FUNC_QUALIFIER detail::tvec2<uint> unpackDouble2x32(double const & v)
 	return *(detail::tvec2<uint>*)&v;
 }
 
-GLM_FUNC_QUALIFIER uint packHalf2x16(vec2 const & v)
+GLM_FUNC_QUALIFIER uint packHalf2x16(detail::tvec2<float> const & v)
 {
 	detail::tvec2<detail::hdata> Pack(detail::toFloat16(v.x), detail::toFloat16(v.y));
 	return *(uint*)&Pack;
diff --git a/glm/core/intrinsic_common.inl b/glm/core/intrinsic_common.inl
index 563376b6..f9ad0f34 100644
--- a/glm/core/intrinsic_common.inl
+++ b/glm/core/intrinsic_common.inl
@@ -29,6 +29,9 @@
 namespace glm{
 namespace detail{
 
+#pragma warning(push)
+#pragma warning(disable : 4510 4512 4610)
+
 	union ieee754_QNAN
 	{
 	   const float f;
@@ -40,6 +43,8 @@ namespace detail{
 	   ieee754_QNAN() : f(0.0)/*, mantissa(0x7FFFFF), exp(0xFF), sign(0x0)*/ {}
 	};
 
+#pragma warning(pop)
+
 	static const __m128 GLM_VAR_USED zero = _mm_setzero_ps();
 	static const __m128 GLM_VAR_USED one = _mm_set_ps1(1.0f);
 	static const __m128 GLM_VAR_USED minus_one = _mm_set_ps1(-1.0f);
@@ -224,11 +229,13 @@ GLM_FUNC_QUALIFIER __m128 sse_mod_ps(__m128 x, __m128 y)
 }
 
 /// TODO
+/*
 GLM_FUNC_QUALIFIER __m128 sse_modf_ps(__m128 x, __m128i & i)
 {
 	__m128 empty;
     return empty;
 }
+*/
 
 //GLM_FUNC_QUALIFIER __m128 _mm_min_ps(__m128 x, __m128 y)
 
@@ -273,18 +280,18 @@ GLM_FUNC_QUALIFIER __m128 sse_ssp_ps(__m128 edge0, __m128 edge1, __m128 x)
 }
 
 /// \todo
-GLM_FUNC_QUALIFIER __m128 sse_nan_ps(__m128 x)
-{
-	__m128 empty;
-    return empty;
-}
+//GLM_FUNC_QUALIFIER __m128 sse_nan_ps(__m128 x)
+//{
+//	__m128 empty;
+//    return empty;
+//}
 
 /// \todo
-GLM_FUNC_QUALIFIER __m128 sse_inf_ps(__m128 x)
-{
-	__m128 empty;
-    return empty;
-}
+//GLM_FUNC_QUALIFIER __m128 sse_inf_ps(__m128 x)
+//{
+//	__m128 empty;
+//    return empty;
+//}
 
 // SSE scalar reciprocal sqrt using rsqrt op, plus one Newton-Rhaphson iteration
 // By Elan Ruskin, http://assemblyrequired.crashworks.org/
diff --git a/glm/core/type_half.inl b/glm/core/type_half.inl
index 68c333ad..5d482ef2 100644
--- a/glm/core/type_half.inl
+++ b/glm/core/type_half.inl
@@ -60,7 +60,7 @@ namespace detail
 				//
 
 				detail::uif result;
-				result.i = s << 31;
+				result.i = (unsigned int)(s << 31);
 				return result.f;
 			}
 			else
@@ -88,7 +88,7 @@ namespace detail
 				//
 
 				uif result;
-				result.i = (s << 31) | 0x7f800000;
+				result.i = (unsigned int)((s << 31) | 0x7f800000);
 				return result.f;
 			}
 			else
@@ -98,7 +98,7 @@ namespace detail
 				//
 
 				uif result;
-				result.i = (s << 31) | 0x7f800000 | (m << 13);
+				result.i = (unsigned int)((s << 31) | 0x7f800000 | (m << 13));
 				return result.f;
 			}
 		}
@@ -115,7 +115,7 @@ namespace detail
 		//
 
 		uif Result;
-		Result.i = (s << 31) | (e << 23) | m;
+		Result.i = (unsigned int)((s << 31) | (e << 23) | m);
 		return Result.f;
 	}
 
@@ -123,7 +123,7 @@ namespace detail
 	{
 		uif Entry;
 		Entry.f = f;
-		int i = Entry.i;
+		int i = (int)Entry.i;
 
 		//
 		// Our floating point number, f, is represented by the bit
diff --git a/glm/core/type_vec2.hpp b/glm/core/type_vec2.hpp
index 928c9122..f7714891 100644
--- a/glm/core/type_vec2.hpp
+++ b/glm/core/type_vec2.hpp
@@ -220,8 +220,10 @@ namespace detail
 		GLM_FUNC_DECL tref2<T> & operator= (tref2<T> const & r);
 		GLM_FUNC_DECL tref2<T> & operator= (tvec2<T> const & v);
 
-		T& x;
-		T& y;
+		GLM_FUNC_DECL tvec2<T> operator() ();
+
+		T & x;
+		T & y;
 	};
 
 	GLM_DETAIL_IS_VECTOR(tvec2);
diff --git a/glm/core/type_vec2.inl b/glm/core/type_vec2.inl
index 0b14ecf1..6345adab 100644
--- a/glm/core/type_vec2.inl
+++ b/glm/core/type_vec2.inl
@@ -1025,5 +1025,11 @@ namespace detail
 		return *this;
 	}
 
+	template <typename T> 
+	GLM_FUNC_QUALIFIER tvec2<T> tref2<T>::operator() ()
+	{
+		return tvec2<T>(this->x, this->y);
+	}
+
 }//namespace detail
 }//namespace glm
diff --git a/glm/core/type_vec3.hpp b/glm/core/type_vec3.hpp
index 773932a0..43cdcf40 100644
--- a/glm/core/type_vec3.hpp
+++ b/glm/core/type_vec3.hpp
@@ -111,17 +111,6 @@ namespace detail
 			value_type const & s2, 
 			value_type const & s3);
 
-		//////////////////////////////////////
-		// Swizzle constructors
-
-		GLM_FUNC_DECL tvec3(tref3<T> const & r);
-
-        template <int E0, int E1, int E2>
-        GLM_FUNC_DECL tvec3(const glm::detail::swizzle<3,T,tvec3<T>,E0,E1,E2,-1>& that)
-        {
-            *this = that();
-        }
-
 		//////////////////////////////////////
 		// Convertion scalar constructors
 
@@ -152,6 +141,35 @@ namespace detail
 		template <typename U> 
 		GLM_FUNC_DECL explicit tvec3(tvec4<U> const & v);
 
+		//////////////////////////////////////
+		// Swizzle constructors
+
+		GLM_FUNC_DECL tvec3(tref3<T> const & r);
+
+		template <typename A, typename B> 
+		GLM_FUNC_DECL explicit tvec3(tref2<A> const & v, B const & s);
+
+		template <typename A, typename B> 
+		GLM_FUNC_DECL explicit tvec3(A const & s, tref2<B> const & v);
+
+        template <int E0, int E1, int E2>
+        GLM_FUNC_DECL tvec3(glm::detail::swizzle<3, T, tvec3<T>, E0, E1, E2, -1> const & that)
+        {
+            *this = that();
+        }
+
+        template <int E0, int E1>
+        GLM_FUNC_DECL tvec3(glm::detail::swizzle<2, T, tvec2<T>, E0, E1, -1, -2> const & v, T const & s)
+        {
+            *this = tvec3<T>(v(), s);
+        }
+
+        template <int E0, int E1>
+        GLM_FUNC_DECL tvec3(T const & s, glm::detail::swizzle<2, T, tvec2<T>, E0, E1, -1, -2> const & v)
+        {
+            *this = tvec3<T>(s, v());
+        }
+
 		//////////////////////////////////////
 		// Unary arithmetic operators
 
@@ -213,6 +231,7 @@ namespace detail
 		GLM_FUNC_DECL tvec2<T> swizzle(comp X, comp Y) const;
 		GLM_FUNC_DECL tvec3<T> swizzle(comp X, comp Y, comp Z) const;
 		GLM_FUNC_DECL tvec4<T> swizzle(comp X, comp Y, comp Z, comp W) const;
+		GLM_FUNC_DECL tref2<T> swizzle(comp X, comp Y);
 		GLM_FUNC_DECL tref3<T> swizzle(comp X, comp Y, comp Z);
 	};
 
@@ -226,6 +245,8 @@ namespace detail
 		GLM_FUNC_DECL tref3<T> & operator= (tref3<T> const & r);
 		GLM_FUNC_DECL tref3<T> & operator= (tvec3<T> const & v);
 
+		GLM_FUNC_DECL tvec3<T> operator() ();
+
 		T & x;
 		T & y;
 		T & z;
diff --git a/glm/core/type_vec3.inl b/glm/core/type_vec3.inl
index 582e1ac6..918fadb4 100644
--- a/glm/core/type_vec3.inl
+++ b/glm/core/type_vec3.inl
@@ -131,6 +131,30 @@ namespace detail
 		z(r.z)
 	{}
 
+	template <typename T>
+	template <typename A, typename B> 
+	GLM_FUNC_QUALIFIER tvec3<T>::tvec3
+	(
+		tref2<A> const & v, 
+		B const & s
+	) : 
+		x(value_type(v.x)),
+		y(value_type(v.y)),
+		z(value_type(s))
+	{}
+
+	template <typename T>
+	template <typename A, typename B> 
+	GLM_FUNC_QUALIFIER tvec3<T>::tvec3
+	(
+		A const & s, 
+		tref2<B> const & v
+	) :
+		x(value_type(s)),
+		y(value_type(v.x)),
+		z(value_type(v.y))
+	{}
+
 	//////////////////////////////////////
 	// Convertion scalar constructors
 		
@@ -594,6 +618,18 @@ namespace detail
 			(*this)[w]);
 	}
 
+	template <typename T>
+	GLM_FUNC_QUALIFIER tref2<T> tvec3<T>::swizzle
+	(
+		comp x, 
+		comp y
+	)
+	{
+		return tref2<T>(
+			(*this)[x],
+			(*this)[y]);
+	}
+
 	template <typename T>
 	GLM_FUNC_QUALIFIER tref3<T> tvec3<T>::swizzle
 	(
@@ -1112,5 +1148,11 @@ namespace detail
 		return *this;
 	}
 
+	template <typename T> 
+	GLM_FUNC_QUALIFIER tvec3<T> tref3<T>::operator() ()
+	{
+		return tvec3<T>(this->x, this->y, this->z);
+	}
+
 }//namespace detail
 }//namespace glm
diff --git a/glm/core/type_vec4.hpp b/glm/core/type_vec4.hpp
index 737607aa..bb50e7e1 100644
--- a/glm/core/type_vec4.hpp
+++ b/glm/core/type_vec4.hpp
@@ -113,17 +113,6 @@ namespace detail
 			value_type const & s2, 
 			value_type const & s3);
 
-		//////////////////////////////////////
-		// Swizzle constructors
-
-		GLM_FUNC_DECL tvec4(tref4<T> const & r);
-
-        template <int E0, int E1, int E2, int E3>
-        GLM_FUNC_DECL tvec4(const glm::detail::swizzle<4,T,tvec4<T>,E0,E1,E2,E3>& that)
-        {
-            *this = that();
-        }
-
 		//////////////////////////////////////
 		// Convertion scalar constructors
 
@@ -164,6 +153,78 @@ namespace detail
 		template <typename U> 
 		GLM_FUNC_DECL explicit tvec4(tvec4<U> const & v);
 
+        template <int E0, int E1, int E2, int E3>
+        GLM_FUNC_DECL tvec4(glm::detail::swizzle<4, T, tvec4<T>, E0, E1, E2, E3> const & that)
+        {
+            *this = that();
+        }
+
+        template <int E0, int E1, int F0, int F1>
+        GLM_FUNC_DECL tvec4(glm::detail::swizzle<2, T, tvec2<T>, E0, E1, -1, -2> const & v, glm::detail::swizzle<2, T, tvec2<T>, F0, F1, -1, -2> const & u)
+        {
+            *this = tvec4<T>(v(), u());
+        }
+
+        template <int E0, int E1>
+        GLM_FUNC_DECL tvec4(T const & x, T const & y, glm::detail::swizzle<2, T, tvec2<T>, E0, E1, -1, -2> const & v)
+        {
+            *this = tvec4<T>(x, y, v());
+        }
+
+        template <int E0, int E1>
+        GLM_FUNC_DECL tvec4(T const & x, glm::detail::swizzle<2, T, tvec2<T>, E0, E1, -1, -2> const & v, T const & w)
+        {
+            *this = tvec4<T>(x, v(), w);
+        }
+
+        template <int E0, int E1>
+        GLM_FUNC_DECL tvec4(glm::detail::swizzle<2, T, tvec2<T>, E0, E1, -1, -2> const & v, T const & z, T const & w)
+        {
+            *this = tvec4<T>(v(), z, w);
+        }
+
+        template <int E0, int E1, int E2>
+        GLM_FUNC_DECL tvec4(glm::detail::swizzle<3, T, tvec3<T>, E0, E1, E2, -1> const & v, T const & w)
+        {
+            *this = tvec4<T>(v(), w);
+        }
+
+        template <int E0, int E1, int E2>
+        GLM_FUNC_DECL tvec4(T const & x, glm::detail::swizzle<3, T, tvec3<T>, E0, E1, E2, -1> const & v)
+        {
+            *this = tvec4<T>(x, v());
+        }
+
+		//////////////////////////////////////
+		// Swizzle constructors
+
+		GLM_FUNC_DECL tvec4(tref4<T> const & r);
+
+		//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
+		template <typename A, typename B, typename C> 
+		GLM_FUNC_DECL explicit tvec4(tref2<A> const & v, B const & s1, C const & s2);
+		//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
+		template <typename A, typename B, typename C> 
+		GLM_FUNC_DECL explicit tvec4(A const & s1, tref2<B> const & v, C const & s2);
+		//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
+		template <typename A, typename B, typename C> 
+		GLM_FUNC_DECL explicit tvec4(A const & s1, B const & s2, tref2<C> const & v);
+		//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
+		template <typename A, typename B> 
+		GLM_FUNC_DECL explicit tvec4(tref3<A> const & v, B const & s);
+		//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
+		template <typename A, typename B> 
+		GLM_FUNC_DECL explicit tvec4(A const & s, tref3<B> const & v);
+		//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
+		template <typename A, typename B> 
+		GLM_FUNC_DECL explicit tvec4(tref2<A> const & v1, tref2<B> const & v2);
+		//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
+		template <typename A, typename B> 
+		GLM_FUNC_DECL explicit tvec4(tvec2<A> const & v1, tref2<B> const & v2);
+		//! Explicit conversions (From section 5.4.1 Conversion and scalar constructors of GLSL 1.30.08 specification)
+		template <typename A, typename B> 
+		GLM_FUNC_DECL explicit tvec4(tref2<A> const & v1, tvec2<B> const & v2);
+
 		//////////////////////////////////////
 		// Unary arithmetic operators
 
@@ -225,6 +286,8 @@ namespace detail
 		GLM_FUNC_DECL tvec2<T> swizzle(comp X, comp Y) const;
 		GLM_FUNC_DECL tvec3<T> swizzle(comp X, comp Y, comp Z) const;
 		GLM_FUNC_DECL tvec4<T> swizzle(comp X, comp Y, comp Z, comp W) const;
+		GLM_FUNC_DECL tref2<T> swizzle(comp X, comp Y);
+		GLM_FUNC_DECL tref3<T> swizzle(comp X, comp Y, comp Z);
 		GLM_FUNC_DECL tref4<T> swizzle(comp X, comp Y, comp Z, comp W);
 	};
 
@@ -238,6 +301,8 @@ namespace detail
 		GLM_FUNC_DECL tref4<T> & operator= (tref4<T> const & r);
 		GLM_FUNC_DECL tref4<T> & operator= (tvec4<T> const & v);
 
+		GLM_FUNC_DECL tvec4<T> operator() ();
+
 		T & x;
 		T & y;
 		T & z;
diff --git a/glm/core/type_vec4.inl b/glm/core/type_vec4.inl
index 59a743cd..af4c1b2d 100644
--- a/glm/core/type_vec4.inl
+++ b/glm/core/type_vec4.inl
@@ -137,6 +137,113 @@ namespace detail
 		w(r.w)
 	{}
 
+	template <typename T>
+	template <typename A, typename B, typename C> 
+	GLM_FUNC_QUALIFIER tvec4<T>::tvec4
+	(
+		tref2<A> const & v, 
+		B const & s1, 
+		C const & s2
+	) :
+		x(value_type(v.x)),
+		y(value_type(v.y)),
+		z(value_type(s1)),
+		w(value_type(s2))
+	{}
+
+	template <typename T>
+	template <typename A, typename B, typename C> 
+	GLM_FUNC_QUALIFIER tvec4<T>::tvec4
+	(
+		A const & s1, 
+		tref2<B> const & v, 
+		C const & s2
+	) :
+		x(value_type(s1)),
+		y(value_type(v.x)),
+		z(value_type(v.y)),
+		w(value_type(s2))
+	{}
+
+	template <typename T>
+	template <typename A, typename B, typename C> 
+	GLM_FUNC_QUALIFIER tvec4<T>::tvec4
+	(
+		A const & s1, 
+		B const & s2, 
+		tref2<C> const & v
+	) :
+		x(value_type(s1)),
+		y(value_type(s2)),
+		z(value_type(v.x)),
+		w(value_type(v.y))
+	{}
+
+	template <typename T>
+	template <typename A, typename B> 
+	GLM_FUNC_QUALIFIER tvec4<T>::tvec4
+	(
+		tref3<A> const & v, 
+		B const & s
+	) :
+		x(value_type(v.x)),
+		y(value_type(v.y)),
+		z(value_type(v.z)),
+		w(value_type(s))
+	{}
+
+	template <typename T>
+	template <typename A, typename B> 
+	GLM_FUNC_QUALIFIER tvec4<T>::tvec4
+	(
+		A const & s, 
+		tref3<B> const & v
+	) :
+		x(value_type(s)),
+		y(value_type(v.x)),
+		z(value_type(v.y)),
+		w(value_type(v.z))
+	{}
+
+	template <typename T>
+	template <typename A, typename B> 
+	GLM_FUNC_QUALIFIER tvec4<T>::tvec4
+	(
+		tref2<A> const & v1, 
+		tref2<B> const & v2
+	) :
+		x(value_type(v1.x)),
+		y(value_type(v1.y)),
+		z(value_type(v2.x)),
+		w(value_type(v2.y))
+	{}
+
+	template <typename T>
+	template <typename A, typename B> 
+	GLM_FUNC_QUALIFIER tvec4<T>::tvec4
+	(
+		tvec2<A> const & v1, 
+		tref2<B> const & v2
+	) :
+		x(value_type(v1.x)),
+		y(value_type(v1.y)),
+		z(value_type(v2.x)),
+		w(value_type(v2.y))
+	{}
+
+	template <typename T>
+	template <typename A, typename B> 
+	GLM_FUNC_QUALIFIER tvec4<T>::tvec4
+	(
+		tref2<A> const & v1, 
+		tvec2<B> const & v2
+	) :
+		x(value_type(v1.x)),
+		y(value_type(v1.y)),
+		z(value_type(v2.x)),
+		w(value_type(v2.y))
+	{}
+
 	//////////////////////////////////////
 	// Convertion scalar constructors
 		
@@ -651,6 +758,32 @@ namespace detail
 			(*this)[w]);
 	}
 
+	template <typename T>
+	GLM_FUNC_QUALIFIER tref2<T> tvec4<T>::swizzle
+	(
+		comp x, 
+		comp y
+	)
+	{
+		return tref2<T>(
+			(*this)[x],
+			(*this)[y]);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER tref3<T> tvec4<T>::swizzle
+	(
+		comp x, 
+		comp y, 
+		comp z
+	)
+	{
+		return tref3<T>(
+			(*this)[x],
+			(*this)[y],
+			(*this)[z]);
+	}
+
 	template <typename T>
 	GLM_FUNC_QUALIFIER tref4<T> tvec4<T>::swizzle
 	(
@@ -1241,5 +1374,11 @@ namespace detail
 		return *this;
 	}
 
+	template <typename T> 
+	GLM_FUNC_QUALIFIER tvec4<T> tref4<T>::operator() ()
+	{
+		return tvec4<T>(this->x, this->y, this->z, this->w);
+	}
+
 }//namespace detail
 }//namespace glm
diff --git a/glm/ext.hpp b/glm/ext.hpp
index 70209d6d..5c9b0fe5 100644
--- a/glm/ext.hpp
+++ b/glm/ext.hpp
@@ -124,7 +124,6 @@
 #include "./gtx/transform.hpp"
 #include "./gtx/transform2.hpp"
 #include "./gtx/ulp.hpp"
-#include "./gtx/unsigned_int.hpp"
 #include "./gtx/vec1.hpp"
 #include "./gtx/vector_access.hpp"
 #include "./gtx/vector_angle.hpp"
diff --git a/glm/glm.hpp b/glm/glm.hpp
index 7380a718..79e1d878 100644
--- a/glm/glm.hpp
+++ b/glm/glm.hpp
@@ -84,6 +84,7 @@
 #include <climits>
 #include <cfloat>
 #include <limits>
+#include <type_traits>
 #include "core/setup.hpp"
 
 #if(defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_CORE_INCLUDED_DISPLAYED))
diff --git a/glm/gtc/noise.hpp b/glm/gtc/noise.hpp
new file mode 100644
index 00000000..29a7c121
--- /dev/null
+++ b/glm/gtc/noise.hpp
@@ -0,0 +1,81 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtc_noise
+/// @file glm/gtc/noise.hpp
+/// @date 2011-04-21 / 2011-09-27
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_noise GLM_GTX_noise: Procedural noise functions
+/// @ingroup gtx
+/// 
+/// Defines 2D, 3D and 4D procedural noise functions 
+/// Based on the work of Stefan Gustavson and Ashima Arts on "webgl-noise": 
+/// https://github.com/ashima/webgl-noise 
+/// Following Stefan Gustavson's paper "Simplex noise demystified": 
+/// http://www.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf
+/// Defines the half-precision floating-point type, along with various typedefs for vectors and matrices.
+/// <glm/gtx/noise.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTC_noise
+#define GLM_GTC_noise GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTC_noise extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_noise
+	/// @{
+
+	/// Classic perlin noise.
+	/// From GLM_GTC_noise extension.
+	template <typename T, template<typename> class vecType> 
+    T perlin(
+		vecType<T> const & p);
+		
+	/// Periodic perlin noise.
+	/// From GLM_GTC_noise extension.
+	template <typename T, template<typename> class vecType> 
+    T perlin(
+		vecType<T> const & p, 
+		vecType<T> const & rep);
+
+	/// Simplex noise.
+	/// From GLM_GTC_noise extension.
+	template <typename T, template<typename> class vecType> 
+    T simplex(
+		vecType<T> const & p);
+
+	/// @}
+}//namespace glm
+
+#include "noise.inl"
+
+#endif//GLM_GTC_noise
diff --git a/glm/gtc/noise.inl b/glm/gtc/noise.inl
new file mode 100644
index 00000000..1fbc3f37
--- /dev/null
+++ b/glm/gtc/noise.inl
@@ -0,0 +1,852 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Based on the work of Stefan Gustavson and Ashima Arts on "webgl-noise": 
+// https://github.com/ashima/webgl-noise 
+// Following Stefan Gustavson's paper "Simplex noise demystified": 
+// http://www.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2011-04-21
+// Updated : 2011-09-27
+// Licence : This source is under MIT License
+// File    : glm/gtc/noise.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+
+template <typename T>
+GLM_FUNC_QUALIFIER T mod289(T const & x)
+{
+	return x - floor(x * T(1.0 / 289.0)) * T(289.0);
+}
+
+template <typename T>
+GLM_FUNC_QUALIFIER T permute(T const & x)
+{
+	return mod289(((x * T(34)) + T(1)) * x);
+}
+
+template <typename T, template<typename> class vecType>
+GLM_FUNC_QUALIFIER vecType<T> permute(vecType<T> const & x)
+{
+	return mod289(((x * T(34)) + T(1)) * x);
+}
+  
+template <typename T>
+GLM_FUNC_QUALIFIER T taylorInvSqrt(T const & r)
+{
+	return T(1.79284291400159) - T(0.85373472095314) * r;
+}
+
+template <typename T, template<typename> class vecType>
+GLM_FUNC_QUALIFIER vecType<T> taylorInvSqrt(vecType<T> const & r)
+{
+	return T(1.79284291400159) - T(0.85373472095314) * r;
+}
+
+template <typename T, template <typename> class vecType> 
+GLM_FUNC_QUALIFIER vecType<T> fade(vecType<T> const & t) 
+{
+	return t * t * t * (t * (t * T(6) - T(15)) + T(10));
+}
+
+template <typename T>
+GLM_FUNC_QUALIFIER detail::tvec4<T> grad4(T const & j, detail::tvec4<T> const & ip)
+{
+	detail::tvec3<T> pXYZ = floor(fract(detail::tvec3<T>(j) * detail::tvec3<T>(ip)) * T(7)) * ip[2] - T(1);
+	T pW = T(1.5) - dot(abs(pXYZ), detail::tvec3<T>(1));
+	detail::tvec4<T> s = detail::tvec4<T>(lessThan(detail::tvec4<T>(pXYZ, pW), detail::tvec4<T>(0.0)));
+	pXYZ = pXYZ + (detail::tvec3<T>(s) * T(2) - T(1)) * s.w; 
+	return detail::tvec4<T>(pXYZ, pW);
+}
+
+// Classic Perlin noise
+template <typename T>
+GLM_FUNC_QUALIFIER T perlin(detail::tvec2<T> const & P)
+{
+	detail::tvec4<T> Pi = glm::floor(detail::tvec4<T>(P.x, P.y, P.x, P.y)) + detail::tvec4<T>(0.0, 0.0, 1.0, 1.0);
+	detail::tvec4<T> Pf = glm::fract(detail::tvec4<T>(P.x, P.y, P.x, P.y)) - detail::tvec4<T>(0.0, 0.0, 1.0, 1.0);
+	Pi = mod(Pi, T(289)); // To avoid truncation effects in permutation
+	detail::tvec4<T> ix(Pi.x, Pi.z, Pi.x, Pi.z);
+	detail::tvec4<T> iy(Pi.y, Pi.y, Pi.w, Pi.w);
+	detail::tvec4<T> fx(Pf.x, Pf.z, Pf.x, Pf.z);
+	detail::tvec4<T> fy(Pf.y, Pf.y, Pf.w, Pf.w);
+
+	detail::tvec4<T> i = glm::permute(glm::permute(ix) + iy);
+
+	detail::tvec4<T> gx = T(2) * glm::fract(i / T(41)) - T(1);
+	detail::tvec4<T> gy = glm::abs(gx) - T(0.5);
+	detail::tvec4<T> tx = glm::floor(gx + T(0.5));
+	gx = gx - tx;
+
+	detail::tvec2<T> g00(gx.x, gy.x);
+	detail::tvec2<T> g10(gx.y, gy.y);
+	detail::tvec2<T> g01(gx.z, gy.z);
+	detail::tvec2<T> g11(gx.w, gy.w);
+
+	detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11)));
+	g00 *= norm.x;  
+	g01 *= norm.y;  
+	g10 *= norm.z;  
+	g11 *= norm.w;  
+
+	T n00 = dot(g00, detail::tvec2<T>(fx.x, fy.x));
+	T n10 = dot(g10, detail::tvec2<T>(fx.y, fy.y));
+	T n01 = dot(g01, detail::tvec2<T>(fx.z, fy.z));
+	T n11 = dot(g11, detail::tvec2<T>(fx.w, fy.w));
+
+	detail::tvec2<T> fade_xy = fade(detail::tvec2<T>(Pf.x, Pf.y));
+	detail::tvec2<T> n_x = mix(detail::tvec2<T>(n00, n01), detail::tvec2<T>(n10, n11), fade_xy.x);
+	T n_xy = mix(n_x.x, n_x.y, fade_xy.y);
+	return T(2.3) * n_xy;
+}
+
+// Classic Perlin noise
+template <typename T>
+GLM_FUNC_QUALIFIER T perlin(detail::tvec3<T> const & P)
+{
+	detail::tvec3<T> Pi0 = floor(P); // Integer part for indexing
+	detail::tvec3<T> Pi1 = Pi0 + T(1); // Integer part + 1
+	Pi0 = mod289(Pi0);
+	Pi1 = mod289(Pi1);
+	detail::tvec3<T> Pf0 = fract(P); // Fractional part for interpolation
+	detail::tvec3<T> Pf1 = Pf0 - T(1); // Fractional part - 1.0
+	detail::tvec4<T> ix(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
+	detail::tvec4<T> iy = detail::tvec4<T>(detail::tvec2<T>(Pi0.y), detail::tvec2<T>(Pi1.y));
+	detail::tvec4<T> iz0(Pi0.z);
+	detail::tvec4<T> iz1(Pi1.z);
+
+	detail::tvec4<T> ixy = permute(permute(ix) + iy);
+	detail::tvec4<T> ixy0 = permute(ixy + iz0);
+	detail::tvec4<T> ixy1 = permute(ixy + iz1);
+
+	detail::tvec4<T> gx0 = ixy0 * T(1.0 / 7.0);
+	detail::tvec4<T> gy0 = fract(floor(gx0) * T(1.0 / 7.0)) - T(0.5);
+	gx0 = fract(gx0);
+	detail::tvec4<T> gz0 = detail::tvec4<T>(0.5) - abs(gx0) - abs(gy0);
+	detail::tvec4<T> sz0 = step(gz0, detail::tvec4<T>(0.0));
+	gx0 -= sz0 * (step(T(0), gx0) - T(0.5));
+	gy0 -= sz0 * (step(T(0), gy0) - T(0.5));
+
+	detail::tvec4<T> gx1 = ixy1 * T(1.0 / 7.0);
+	detail::tvec4<T> gy1 = fract(floor(gx1) * T(1.0 / 7.0)) - T(0.5);
+	gx1 = fract(gx1);
+	detail::tvec4<T> gz1 = detail::tvec4<T>(0.5) - abs(gx1) - abs(gy1);
+	detail::tvec4<T> sz1 = step(gz1, detail::tvec4<T>(0.0));
+	gx1 -= sz1 * (step(T(0), gx1) - T(0.5));
+	gy1 -= sz1 * (step(T(0), gy1) - T(0.5));
+
+	detail::tvec3<T> g000(gx0.x, gy0.x, gz0.x);
+	detail::tvec3<T> g100(gx0.y, gy0.y, gz0.y);
+	detail::tvec3<T> g010(gx0.z, gy0.z, gz0.z);
+	detail::tvec3<T> g110(gx0.w, gy0.w, gz0.w);
+	detail::tvec3<T> g001(gx1.x, gy1.x, gz1.x);
+	detail::tvec3<T> g101(gx1.y, gy1.y, gz1.y);
+	detail::tvec3<T> g011(gx1.z, gy1.z, gz1.z);
+	detail::tvec3<T> g111(gx1.w, gy1.w, gz1.w);
+
+	detail::tvec4<T> norm0 = taylorInvSqrt(detail::tvec4<T>(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
+	g000 *= norm0.x;
+	g010 *= norm0.y;
+	g100 *= norm0.z;
+	g110 *= norm0.w;
+	detail::tvec4<T> norm1 = taylorInvSqrt(detail::tvec4<T>(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
+	g001 *= norm1.x;
+	g011 *= norm1.y;
+	g101 *= norm1.z;
+	g111 *= norm1.w;
+
+	T n000 = dot(g000, Pf0);
+	T n100 = dot(g100, detail::tvec3<T>(Pf1.x, Pf0.y, Pf0.z));
+	T n010 = dot(g010, detail::tvec3<T>(Pf0.x, Pf1.y, Pf0.z));
+	T n110 = dot(g110, detail::tvec3<T>(Pf1.x, Pf1.y, Pf0.z));
+	T n001 = dot(g001, detail::tvec3<T>(Pf0.x, Pf0.y, Pf1.z));
+	T n101 = dot(g101, detail::tvec3<T>(Pf1.x, Pf0.y, Pf1.z));
+	T n011 = dot(g011, detail::tvec3<T>(Pf0.x, Pf1.y, Pf1.z));
+	T n111 = dot(g111, Pf1);
+
+	detail::tvec3<T> fade_xyz = fade(Pf0);
+	detail::tvec4<T> n_z = mix(detail::tvec4<T>(n000, n100, n010, n110), detail::tvec4<T>(n001, n101, n011, n111), fade_xyz.z);
+	detail::tvec2<T> n_yz = mix(detail::tvec2<T>(n_z.x, n_z.y), detail::tvec2<T>(n_z.z, n_z.w), fade_xyz.y);
+	T n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); 
+	return T(2.2) * n_xyz;
+}
+/*
+// Classic Perlin noise
+template <typename T>
+GLM_FUNC_QUALIFIER T perlin(detail::tvec3<T> const & P)
+{
+	detail::tvec3<T> Pi0 = floor(P); // Integer part for indexing
+	detail::tvec3<T> Pi1 = Pi0 + T(1); // Integer part + 1
+	Pi0 = mod(Pi0, T(289));
+	Pi1 = mod(Pi1, T(289));
+	detail::tvec3<T> Pf0 = fract(P); // Fractional part for interpolation
+	detail::tvec3<T> Pf1 = Pf0 - T(1); // Fractional part - 1.0
+	detail::tvec4<T> ix(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
+	detail::tvec4<T> iy(Pi0.y, Pi0.y, Pi1.y, Pi1.y);
+	detail::tvec4<T> iz0(Pi0.z);
+	detail::tvec4<T> iz1(Pi1.z);
+
+	detail::tvec4<T> ixy = permute(permute(ix) + iy);
+	detail::tvec4<T> ixy0 = permute(ixy + iz0);
+	detail::tvec4<T> ixy1 = permute(ixy + iz1);
+
+	detail::tvec4<T> gx0 = ixy0 / T(7);
+	detail::tvec4<T> gy0 = fract(floor(gx0) / T(7)) - T(0.5);
+	gx0 = fract(gx0);
+	detail::tvec4<T> gz0 = detail::tvec4<T>(0.5) - abs(gx0) - abs(gy0);
+	detail::tvec4<T> sz0 = step(gz0, detail::tvec4<T>(0.0));
+	gx0 -= sz0 * (step(0.0, gx0) - T(0.5));
+	gy0 -= sz0 * (step(0.0, gy0) - T(0.5));
+
+	detail::tvec4<T> gx1 = ixy1 / T(7);
+	detail::tvec4<T> gy1 = fract(floor(gx1) / T(7)) - T(0.5);
+	gx1 = fract(gx1);
+	detail::tvec4<T> gz1 = detail::tvec4<T>(0.5) - abs(gx1) - abs(gy1);
+	detail::tvec4<T> sz1 = step(gz1, detail::tvec4<T>(0.0));
+	gx1 -= sz1 * (step(T(0), gx1) - T(0.5));
+	gy1 -= sz1 * (step(T(0), gy1) - T(0.5));
+
+	detail::tvec3<T> g000(gx0.x, gy0.x, gz0.x);
+	detail::tvec3<T> g100(gx0.y, gy0.y, gz0.y);
+	detail::tvec3<T> g010(gx0.z, gy0.z, gz0.z);
+	detail::tvec3<T> g110(gx0.w, gy0.w, gz0.w);
+	detail::tvec3<T> g001(gx1.x, gy1.x, gz1.x);
+	detail::tvec3<T> g101(gx1.y, gy1.y, gz1.y);
+	detail::tvec3<T> g011(gx1.z, gy1.z, gz1.z);
+	detail::tvec3<T> g111(gx1.w, gy1.w, gz1.w);
+
+	detail::tvec4<T> norm0 = taylorInvSqrt(detail::tvec4<T>(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
+	g000 *= norm0.x;
+	g010 *= norm0.y;
+	g100 *= norm0.z;
+	g110 *= norm0.w;
+	detail::tvec4<T> norm1 = taylorInvSqrt(detail::tvec4<T>(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
+	g001 *= norm1.x;
+	g011 *= norm1.y;
+	g101 *= norm1.z;
+	g111 *= norm1.w;
+
+	T n000 = dot(g000, Pf0);
+	T n100 = dot(g100, detail::tvec3<T>(Pf1.x, Pf0.y, Pf0.z));
+	T n010 = dot(g010, detail::tvec3<T>(Pf0.x, Pf1.y, Pf0.z));
+	T n110 = dot(g110, detail::tvec3<T>(Pf1.x, Pf1.y, Pf0.z));
+	T n001 = dot(g001, detail::tvec3<T>(Pf0.x, Pf0.y, Pf1.z));
+	T n101 = dot(g101, detail::tvec3<T>(Pf1.x, Pf0.y, Pf1.z));
+	T n011 = dot(g011, detail::tvec3<T>(Pf0.x, Pf1.y, Pf1.z));
+	T n111 = dot(g111, Pf1);
+
+	detail::tvec3<T> fade_xyz = fade(Pf0);
+	detail::tvec4<T> n_z = mix(detail::tvec4<T>(n000, n100, n010, n110), detail::tvec4<T>(n001, n101, n011, n111), fade_xyz.z);
+	detail::tvec2<T> n_yz = mix(
+        detail::tvec2<T>(n_z.x, n_z.y), 
+        detail::tvec2<T>(n_z.z, n_z.w), fade_xyz.y);
+	T n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); 
+	return T(2.2) * n_xyz;
+}
+*/
+// Classic Perlin noise
+template <typename T>
+GLM_FUNC_QUALIFIER T perlin(detail::tvec4<T> const & P)
+{
+	detail::tvec4<T> Pi0 = floor(P); // Integer part for indexing
+	detail::tvec4<T> Pi1 = Pi0 + T(1); // Integer part + 1
+	Pi0 = mod(Pi0, T(289));
+	Pi1 = mod(Pi1, T(289));
+	detail::tvec4<T> Pf0 = fract(P); // Fractional part for interpolation
+	detail::tvec4<T> Pf1 = Pf0 - T(1); // Fractional part - 1.0
+	detail::tvec4<T> ix(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
+	detail::tvec4<T> iy(Pi0.y, Pi0.y, Pi1.y, Pi1.y);
+	detail::tvec4<T> iz0(Pi0.z);
+	detail::tvec4<T> iz1(Pi1.z);
+	detail::tvec4<T> iw0(Pi0.w);
+	detail::tvec4<T> iw1(Pi1.w);
+
+	detail::tvec4<T> ixy = permute(permute(ix) + iy);
+	detail::tvec4<T> ixy0 = permute(ixy + iz0);
+	detail::tvec4<T> ixy1 = permute(ixy + iz1);
+	detail::tvec4<T> ixy00 = permute(ixy0 + iw0);
+	detail::tvec4<T> ixy01 = permute(ixy0 + iw1);
+	detail::tvec4<T> ixy10 = permute(ixy1 + iw0);
+	detail::tvec4<T> ixy11 = permute(ixy1 + iw1);
+
+	detail::tvec4<T> gx00 = ixy00 / T(7);
+	detail::tvec4<T> gy00 = floor(gx00) / T(7);
+	detail::tvec4<T> gz00 = floor(gy00) / T(6);
+	gx00 = fract(gx00) - T(0.5);
+	gy00 = fract(gy00) - T(0.5);
+	gz00 = fract(gz00) - T(0.5);
+	detail::tvec4<T> gw00 = detail::tvec4<T>(0.75) - abs(gx00) - abs(gy00) - abs(gz00);
+	detail::tvec4<T> sw00 = step(gw00, detail::tvec4<T>(0.0));
+	gx00 -= sw00 * (step(T(0), gx00) - T(0.5));
+	gy00 -= sw00 * (step(T(0), gy00) - T(0.5));
+
+	detail::tvec4<T> gx01 = ixy01 / T(7);
+	detail::tvec4<T> gy01 = floor(gx01) / T(7);
+	detail::tvec4<T> gz01 = floor(gy01) / T(6);
+	gx01 = fract(gx01) - T(0.5);
+	gy01 = fract(gy01) - T(0.5);
+	gz01 = fract(gz01) - T(0.5);
+	detail::tvec4<T> gw01 = detail::tvec4<T>(0.75) - abs(gx01) - abs(gy01) - abs(gz01);
+	detail::tvec4<T> sw01 = step(gw01, detail::tvec4<T>(0.0));
+	gx01 -= sw01 * (step(T(0), gx01) - T(0.5));
+	gy01 -= sw01 * (step(T(0), gy01) - T(0.5));
+
+	detail::tvec4<T> gx10 = ixy10 / T(7);
+	detail::tvec4<T> gy10 = floor(gx10) / T(7);
+	detail::tvec4<T> gz10 = floor(gy10) / T(6);
+	gx10 = fract(gx10) - T(0.5);
+	gy10 = fract(gy10) - T(0.5);
+	gz10 = fract(gz10) - T(0.5);
+	detail::tvec4<T> gw10 = detail::tvec4<T>(0.75) - abs(gx10) - abs(gy10) - abs(gz10);
+	detail::tvec4<T> sw10 = step(gw10, detail::tvec4<T>(0));
+	gx10 -= sw10 * (step(T(0), gx10) - T(0.5));
+	gy10 -= sw10 * (step(T(0), gy10) - T(0.5));
+
+	detail::tvec4<T> gx11 = ixy11 / T(7);
+	detail::tvec4<T> gy11 = floor(gx11) / T(7);
+	detail::tvec4<T> gz11 = floor(gy11) / T(6);
+	gx11 = fract(gx11) - T(0.5);
+	gy11 = fract(gy11) - T(0.5);
+	gz11 = fract(gz11) - T(0.5);
+	detail::tvec4<T> gw11 = detail::tvec4<T>(0.75) - abs(gx11) - abs(gy11) - abs(gz11);
+	detail::tvec4<T> sw11 = step(gw11, detail::tvec4<T>(0.0));
+	gx11 -= sw11 * (step(T(0), gx11) - T(0.5));
+	gy11 -= sw11 * (step(T(0), gy11) - T(0.5));
+
+	detail::tvec4<T> g0000(gx00.x, gy00.x, gz00.x, gw00.x);
+	detail::tvec4<T> g1000(gx00.y, gy00.y, gz00.y, gw00.y);
+	detail::tvec4<T> g0100(gx00.z, gy00.z, gz00.z, gw00.z);
+	detail::tvec4<T> g1100(gx00.w, gy00.w, gz00.w, gw00.w);
+	detail::tvec4<T> g0010(gx10.x, gy10.x, gz10.x, gw10.x);
+	detail::tvec4<T> g1010(gx10.y, gy10.y, gz10.y, gw10.y);
+	detail::tvec4<T> g0110(gx10.z, gy10.z, gz10.z, gw10.z);
+	detail::tvec4<T> g1110(gx10.w, gy10.w, gz10.w, gw10.w);
+	detail::tvec4<T> g0001(gx01.x, gy01.x, gz01.x, gw01.x);
+	detail::tvec4<T> g1001(gx01.y, gy01.y, gz01.y, gw01.y);
+	detail::tvec4<T> g0101(gx01.z, gy01.z, gz01.z, gw01.z);
+	detail::tvec4<T> g1101(gx01.w, gy01.w, gz01.w, gw01.w);
+	detail::tvec4<T> g0011(gx11.x, gy11.x, gz11.x, gw11.x);
+	detail::tvec4<T> g1011(gx11.y, gy11.y, gz11.y, gw11.y);
+	detail::tvec4<T> g0111(gx11.z, gy11.z, gz11.z, gw11.z);
+	detail::tvec4<T> g1111(gx11.w, gy11.w, gz11.w, gw11.w);
+
+	detail::tvec4<T> norm00 = taylorInvSqrt(detail::tvec4<T>(dot(g0000, g0000), dot(g0100, g0100), dot(g1000, g1000), dot(g1100, g1100)));
+	g0000 *= norm00.x;
+	g0100 *= norm00.y;
+	g1000 *= norm00.z;
+	g1100 *= norm00.w;
+
+	detail::tvec4<T> norm01 = taylorInvSqrt(detail::tvec4<T>(dot(g0001, g0001), dot(g0101, g0101), dot(g1001, g1001), dot(g1101, g1101)));
+	g0001 *= norm01.x;
+	g0101 *= norm01.y;
+	g1001 *= norm01.z;
+	g1101 *= norm01.w;
+
+	detail::tvec4<T> norm10 = taylorInvSqrt(detail::tvec4<T>(dot(g0010, g0010), dot(g0110, g0110), dot(g1010, g1010), dot(g1110, g1110)));
+	g0010 *= norm10.x;
+	g0110 *= norm10.y;
+	g1010 *= norm10.z;
+	g1110 *= norm10.w;
+
+	detail::tvec4<T> norm11 = taylorInvSqrt(detail::tvec4<T>(dot(g0011, g0011), dot(g0111, g0111), dot(g1011, g1011), dot(g1111, g1111)));
+	g0011 *= norm11.x;
+	g0111 *= norm11.y;
+	g1011 *= norm11.z;
+	g1111 *= norm11.w;
+
+	T n0000 = dot(g0000, Pf0);
+	T n1000 = dot(g1000, detail::tvec4<T>(Pf1.x, Pf0.y, Pf0.z, Pf0.w));
+	T n0100 = dot(g0100, detail::tvec4<T>(Pf0.x, Pf1.y, Pf0.z, Pf0.w));
+	T n1100 = dot(g1100, detail::tvec4<T>(Pf1.x, Pf1.y, Pf0.z, Pf0.w));
+	T n0010 = dot(g0010, detail::tvec4<T>(Pf0.x, Pf0.y, Pf1.z, Pf0.w));
+	T n1010 = dot(g1010, detail::tvec4<T>(Pf1.x, Pf0.y, Pf1.z, Pf0.w));
+	T n0110 = dot(g0110, detail::tvec4<T>(Pf0.x, Pf1.y, Pf1.z, Pf0.w));
+	T n1110 = dot(g1110, detail::tvec4<T>(Pf1.x, Pf1.y, Pf1.z, Pf0.w));
+	T n0001 = dot(g0001, detail::tvec4<T>(Pf0.x, Pf0.y, Pf0.z, Pf1.w));
+	T n1001 = dot(g1001, detail::tvec4<T>(Pf1.x, Pf0.y, Pf0.z, Pf1.w));
+	T n0101 = dot(g0101, detail::tvec4<T>(Pf0.x, Pf1.y, Pf0.z, Pf1.w));
+	T n1101 = dot(g1101, detail::tvec4<T>(Pf1.x, Pf1.y, Pf0.z, Pf1.w));
+	T n0011 = dot(g0011, detail::tvec4<T>(Pf0.x, Pf0.y, Pf1.z, Pf1.w));
+	T n1011 = dot(g1011, detail::tvec4<T>(Pf1.x, Pf0.y, Pf1.z, Pf1.w));
+	T n0111 = dot(g0111, detail::tvec4<T>(Pf0.x, Pf1.y, Pf1.z, Pf1.w));
+	T n1111 = dot(g1111, Pf1);
+
+	detail::tvec4<T> fade_xyzw = fade(Pf0);
+	detail::tvec4<T> n_0w = mix(detail::tvec4<T>(n0000, n1000, n0100, n1100), detail::tvec4<T>(n0001, n1001, n0101, n1101), fade_xyzw.w);
+	detail::tvec4<T> n_1w = mix(detail::tvec4<T>(n0010, n1010, n0110, n1110), detail::tvec4<T>(n0011, n1011, n0111, n1111), fade_xyzw.w);
+	detail::tvec4<T> n_zw = mix(n_0w, n_1w, fade_xyzw.z);
+	detail::tvec2<T> n_yzw = mix(detail::tvec2<T>(n_zw.x, n_zw.y), detail::tvec2<T>(n_zw.z, n_zw.w), fade_xyzw.y);
+	T n_xyzw = mix(n_yzw.x, n_yzw.y, fade_xyzw.x);
+	return T(2.2) * n_xyzw;
+}
+
+// Classic Perlin noise, periodic variant
+template <typename T>
+GLM_FUNC_QUALIFIER T perlin(detail::tvec2<T> const & P, detail::tvec2<T> const & rep)
+{
+	detail::tvec4<T> Pi = floor(detail::tvec4<T>(P.x, P.y, P.x, P.y)) + detail::tvec4<T>(0.0, 0.0, 1.0, 1.0);
+	detail::tvec4<T> Pf = fract(detail::tvec4<T>(P.x, P.y, P.x, P.y)) - detail::tvec4<T>(0.0, 0.0, 1.0, 1.0);
+	Pi = mod(Pi, detail::tvec4<T>(rep.x, rep.y, rep.x, rep.y)); // To create noise with explicit period
+	Pi = mod(Pi, T(289)); // To avoid truncation effects in permutation
+	detail::tvec4<T> ix(Pi.x, Pi.z, Pi.x, Pi.z);
+	detail::tvec4<T> iy(Pi.y, Pi.y, Pi.w, Pi.w);
+	detail::tvec4<T> fx(Pf.x, Pf.z, Pf.x, Pf.z);
+	detail::tvec4<T> fy(Pf.y, Pf.y, Pf.w, Pf.w);
+
+	detail::tvec4<T> i = permute(permute(ix) + iy);
+
+	detail::tvec4<T> gx = T(2) * fract(i / T(41)) - T(1);
+	detail::tvec4<T> gy = abs(gx) - T(0.5);
+	detail::tvec4<T> tx = floor(gx + T(0.5));
+	gx = gx - tx;
+
+	detail::tvec2<T> g00(gx.x, gy.x);
+	detail::tvec2<T> g10(gx.y, gy.y);
+	detail::tvec2<T> g01(gx.z, gy.z);
+	detail::tvec2<T> g11(gx.w, gy.w);
+
+	detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11)));
+	g00 *= norm.x;  
+	g01 *= norm.y;  
+	g10 *= norm.z;  
+	g11 *= norm.w;  
+
+	T n00 = dot(g00, detail::tvec2<T>(fx.x, fy.x));
+	T n10 = dot(g10, detail::tvec2<T>(fx.y, fy.y));
+	T n01 = dot(g01, detail::tvec2<T>(fx.z, fy.z));
+	T n11 = dot(g11, detail::tvec2<T>(fx.w, fy.w));
+
+	detail::tvec2<T> fade_xy = fade(detail::tvec2<T>(Pf.x, Pf.y));
+	detail::tvec2<T> n_x = mix(detail::tvec2<T>(n00, n01), detail::tvec2<T>(n10, n11), fade_xy.x);
+	T n_xy = mix(n_x.x, n_x.y, fade_xy.y);
+	return T(2.3) * n_xy;
+}
+
+// Classic Perlin noise, periodic variant
+template <typename T>
+GLM_FUNC_QUALIFIER T perlin(detail::tvec3<T> const & P, detail::tvec3<T> const & rep)
+{
+	detail::tvec3<T> Pi0 = mod(floor(P), rep); // Integer part, modulo period
+	detail::tvec3<T> Pi1 = mod(Pi0 + detail::tvec3<T>(1.0), rep); // Integer part + 1, mod period
+	Pi0 = mod(Pi0, T(289));
+	Pi1 = mod(Pi1, T(289));
+	detail::tvec3<T> Pf0 = fract(P); // Fractional part for interpolation
+	detail::tvec3<T> Pf1 = Pf0 - detail::tvec3<T>(1.0); // Fractional part - 1.0
+	detail::tvec4<T> ix = detail::tvec4<T>(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
+	detail::tvec4<T> iy = detail::tvec4<T>(Pi0.y, Pi0.y, Pi1.y, Pi1.y);
+	detail::tvec4<T> iz0(Pi0.z);
+	detail::tvec4<T> iz1(Pi1.z);
+
+	detail::tvec4<T> ixy = permute(permute(ix) + iy);
+	detail::tvec4<T> ixy0 = permute(ixy + iz0);
+	detail::tvec4<T> ixy1 = permute(ixy + iz1);
+
+	detail::tvec4<T> gx0 = ixy0 / T(7);
+	detail::tvec4<T> gy0 = fract(floor(gx0) / T(7)) - T(0.5);
+	gx0 = fract(gx0);
+	detail::tvec4<T> gz0 = detail::tvec4<T>(0.5) - abs(gx0) - abs(gy0);
+	detail::tvec4<T> sz0 = step(gz0, detail::tvec4<T>(0));
+	gx0 -= sz0 * (step(0.0, gx0) - T(0.5));
+	gy0 -= sz0 * (step(0.0, gy0) - T(0.5));
+
+	detail::tvec4<T> gx1 = ixy1 / T(7);
+	detail::tvec4<T> gy1 = fract(floor(gx1) / T(7)) - T(0.5);
+	gx1 = fract(gx1);
+	detail::tvec4<T> gz1 = detail::tvec4<T>(0.5) - abs(gx1) - abs(gy1);
+	detail::tvec4<T> sz1 = step(gz1, detail::tvec4<T>(0.0));
+	gx1 -= sz1 * (step(0.0, gx1) - T(0.5));
+	gy1 -= sz1 * (step(0.0, gy1) - T(0.5));
+
+	detail::tvec3<T> g000 = detail::tvec3<T>(gx0.x, gy0.x, gz0.x);
+	detail::tvec3<T> g100 = detail::tvec3<T>(gx0.y, gy0.y, gz0.y);
+	detail::tvec3<T> g010 = detail::tvec3<T>(gx0.z, gy0.z, gz0.z);
+	detail::tvec3<T> g110 = detail::tvec3<T>(gx0.w, gy0.w, gz0.w);
+	detail::tvec3<T> g001 = detail::tvec3<T>(gx1.x, gy1.x, gz1.x);
+	detail::tvec3<T> g101 = detail::tvec3<T>(gx1.y, gy1.y, gz1.y);
+	detail::tvec3<T> g011 = detail::tvec3<T>(gx1.z, gy1.z, gz1.z);
+	detail::tvec3<T> g111 = detail::tvec3<T>(gx1.w, gy1.w, gz1.w);
+
+	detail::tvec4<T> norm0 = taylorInvSqrt(detail::tvec4<T>(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
+	g000 *= norm0.x;
+	g010 *= norm0.y;
+	g100 *= norm0.z;
+	g110 *= norm0.w;
+	detail::tvec4<T> norm1 = taylorInvSqrt(detail::tvec4<T>(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
+	g001 *= norm1.x;
+	g011 *= norm1.y;
+	g101 *= norm1.z;
+	g111 *= norm1.w;
+
+	T n000 = dot(g000, Pf0);
+	T n100 = dot(g100, detail::tvec3<T>(Pf1.x, Pf0.y, Pf0.z));
+	T n010 = dot(g010, detail::tvec3<T>(Pf0.x, Pf1.y, Pf0.z));
+	T n110 = dot(g110, detail::tvec3<T>(Pf1.x, Pf1.y, Pf0.z));
+	T n001 = dot(g001, detail::tvec3<T>(Pf0.x, Pf0.y, Pf1.z));
+	T n101 = dot(g101, detail::tvec3<T>(Pf1.x, Pf0.y, Pf1.z));
+	T n011 = dot(g011, detail::tvec3<T>(Pf0.x, Pf1.y, Pf1.z));
+	T n111 = dot(g111, Pf1);
+
+	detail::tvec3<T> fade_xyz = fade(Pf0);
+	detail::tvec4<T> n_z = mix(detail::tvec4<T>(n000, n100, n010, n110), detail::tvec4<T>(n001, n101, n011, n111), fade_xyz.z);
+	detail::tvec2<T> n_yz = mix(detail::tvec2<T>(n_z.x, n_z.y), detail::tvec2<T>(n_z.z, n_z.w), fade_xyz.y);
+	T n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); 
+	return T(2.2) * n_xyz;
+}
+
+// Classic Perlin noise, periodic version
+template <typename T>
+GLM_FUNC_QUALIFIER T perlin(detail::tvec4<T> const & P, detail::tvec4<T> const & rep)
+{
+	detail::tvec4<T> Pi0 = mod(floor(P), rep); // Integer part modulo rep
+	detail::tvec4<T> Pi1 = mod(Pi0 + T(1), rep); // Integer part + 1 mod rep
+	detail::tvec4<T> Pf0 = fract(P); // Fractional part for interpolation
+	detail::tvec4<T> Pf1 = Pf0 - T(1); // Fractional part - 1.0
+	detail::tvec4<T> ix = detail::tvec4<T>(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
+	detail::tvec4<T> iy = detail::tvec4<T>(Pi0.y, Pi0.y, Pi1.y, Pi1.y);
+	detail::tvec4<T> iz0(Pi0.z);
+	detail::tvec4<T> iz1(Pi1.z);
+	detail::tvec4<T> iw0(Pi0.w);
+	detail::tvec4<T> iw1(Pi1.w);
+
+	detail::tvec4<T> ixy = permute(permute(ix) + iy);
+	detail::tvec4<T> ixy0 = permute(ixy + iz0);
+	detail::tvec4<T> ixy1 = permute(ixy + iz1);
+	detail::tvec4<T> ixy00 = permute(ixy0 + iw0);
+	detail::tvec4<T> ixy01 = permute(ixy0 + iw1);
+	detail::tvec4<T> ixy10 = permute(ixy1 + iw0);
+	detail::tvec4<T> ixy11 = permute(ixy1 + iw1);
+
+	detail::tvec4<T> gx00 = ixy00 / T(7);
+	detail::tvec4<T> gy00 = floor(gx00) / T(7);
+	detail::tvec4<T> gz00 = floor(gy00) / T(6);
+	gx00 = fract(gx00) - T(0.5);
+	gy00 = fract(gy00) - T(0.5);
+	gz00 = fract(gz00) - T(0.5);
+	detail::tvec4<T> gw00 = detail::tvec4<T>(0.75) - abs(gx00) - abs(gy00) - abs(gz00);
+	detail::tvec4<T> sw00 = step(gw00, detail::tvec4<T>(0));
+	gx00 -= sw00 * (step(0.0, gx00) - T(0.5));
+	gy00 -= sw00 * (step(0.0, gy00) - T(0.5));
+
+	detail::tvec4<T> gx01 = ixy01 / T(7);
+	detail::tvec4<T> gy01 = floor(gx01) / T(7);
+	detail::tvec4<T> gz01 = floor(gy01) / T(6);
+	gx01 = fract(gx01) - T(0.5);
+	gy01 = fract(gy01) - T(0.5);
+	gz01 = fract(gz01) - T(0.5);
+	detail::tvec4<T> gw01 = detail::tvec4<T>(0.75) - abs(gx01) - abs(gy01) - abs(gz01);
+	detail::tvec4<T> sw01 = step(gw01, detail::tvec4<T>(0.0));
+	gx01 -= sw01 * (step(0.0, gx01) - T(0.5));
+	gy01 -= sw01 * (step(0.0, gy01) - T(0.5));
+
+	detail::tvec4<T> gx10 = ixy10 / T(7);
+	detail::tvec4<T> gy10 = floor(gx10) / T(7);
+	detail::tvec4<T> gz10 = floor(gy10) / T(6);
+	gx10 = fract(gx10) - T(0.5);
+	gy10 = fract(gy10) - T(0.5);
+	gz10 = fract(gz10) - T(0.5);
+	detail::tvec4<T> gw10 = detail::tvec4<T>(0.75) - abs(gx10) - abs(gy10) - abs(gz10);
+	detail::tvec4<T> sw10 = step(gw10, detail::tvec4<T>(0.0));
+	gx10 -= sw10 * (step(0.0, gx10) - T(0.5));
+	gy10 -= sw10 * (step(0.0, gy10) - T(0.5));
+
+	detail::tvec4<T> gx11 = ixy11 / T(7);
+	detail::tvec4<T> gy11 = floor(gx11) / T(7);
+	detail::tvec4<T> gz11 = floor(gy11) / T(6);
+	gx11 = fract(gx11) - T(0.5);
+	gy11 = fract(gy11) - T(0.5);
+	gz11 = fract(gz11) - T(0.5);
+	detail::tvec4<T> gw11 = detail::tvec4<T>(0.75) - abs(gx11) - abs(gy11) - abs(gz11);
+	detail::tvec4<T> sw11 = step(gw11, detail::tvec4<T>(0.0));
+	gx11 -= sw11 * (step(0.0, gx11) - T(0.5));
+	gy11 -= sw11 * (step(0.0, gy11) - T(0.5));
+
+	detail::tvec4<T> g0000(gx00.x, gy00.x, gz00.x, gw00.x);
+	detail::tvec4<T> g1000(gx00.y, gy00.y, gz00.y, gw00.y);
+	detail::tvec4<T> g0100(gx00.z, gy00.z, gz00.z, gw00.z);
+	detail::tvec4<T> g1100(gx00.w, gy00.w, gz00.w, gw00.w);
+	detail::tvec4<T> g0010(gx10.x, gy10.x, gz10.x, gw10.x);
+	detail::tvec4<T> g1010(gx10.y, gy10.y, gz10.y, gw10.y);
+	detail::tvec4<T> g0110(gx10.z, gy10.z, gz10.z, gw10.z);
+	detail::tvec4<T> g1110(gx10.w, gy10.w, gz10.w, gw10.w);
+	detail::tvec4<T> g0001(gx01.x, gy01.x, gz01.x, gw01.x);
+	detail::tvec4<T> g1001(gx01.y, gy01.y, gz01.y, gw01.y);
+	detail::tvec4<T> g0101(gx01.z, gy01.z, gz01.z, gw01.z);
+	detail::tvec4<T> g1101(gx01.w, gy01.w, gz01.w, gw01.w);
+	detail::tvec4<T> g0011(gx11.x, gy11.x, gz11.x, gw11.x);
+	detail::tvec4<T> g1011(gx11.y, gy11.y, gz11.y, gw11.y);
+	detail::tvec4<T> g0111(gx11.z, gy11.z, gz11.z, gw11.z);
+	detail::tvec4<T> g1111(gx11.w, gy11.w, gz11.w, gw11.w);
+
+	detail::tvec4<T> norm00 = taylorInvSqrt(detail::tvec4<T>(dot(g0000, g0000), dot(g0100, g0100), dot(g1000, g1000), dot(g1100, g1100)));
+	g0000 *= norm00.x;
+	g0100 *= norm00.y;
+	g1000 *= norm00.z;
+	g1100 *= norm00.w;
+
+	detail::tvec4<T> norm01 = taylorInvSqrt(detail::tvec4<T>(dot(g0001, g0001), dot(g0101, g0101), dot(g1001, g1001), dot(g1101, g1101)));
+	g0001 *= norm01.x;
+	g0101 *= norm01.y;
+	g1001 *= norm01.z;
+	g1101 *= norm01.w;
+
+	detail::tvec4<T> norm10 = taylorInvSqrt(detail::tvec4<T>(dot(g0010, g0010), dot(g0110, g0110), dot(g1010, g1010), dot(g1110, g1110)));
+	g0010 *= norm10.x;
+	g0110 *= norm10.y;
+	g1010 *= norm10.z;
+	g1110 *= norm10.w;
+
+	detail::tvec4<T> norm11 = taylorInvSqrt(detail::tvec4<T>(dot(g0011, g0011), dot(g0111, g0111), dot(g1011, g1011), dot(g1111, g1111)));
+	g0011 *= norm11.x;
+	g0111 *= norm11.y;
+	g1011 *= norm11.z;
+	g1111 *= norm11.w;
+
+	T n0000 = dot(g0000, Pf0);
+	T n1000 = dot(g1000, detail::tvec4<T>(Pf1.x, Pf0.y, Pf0.z, Pf0.w));
+	T n0100 = dot(g0100, detail::tvec4<T>(Pf0.x, Pf1.y, Pf0.z, Pf0.w));
+	T n1100 = dot(g1100, detail::tvec4<T>(Pf1.x, Pf1.y, Pf0.z, Pf0.w));
+	T n0010 = dot(g0010, detail::tvec4<T>(Pf0.x, Pf0.y, Pf1.z, Pf0.w));
+	T n1010 = dot(g1010, detail::tvec4<T>(Pf1.x, Pf0.y, Pf1.z, Pf0.w));
+	T n0110 = dot(g0110, detail::tvec4<T>(Pf0.x, Pf1.y, Pf1.z, Pf0.w));
+	T n1110 = dot(g1110, detail::tvec4<T>(Pf1.x, Pf1.y, Pf1.z, Pf0.w));
+	T n0001 = dot(g0001, detail::tvec4<T>(Pf0.x, Pf0.y, Pf0.z, Pf1.w));
+	T n1001 = dot(g1001, detail::tvec4<T>(Pf1.x, Pf0.y, Pf0.z, Pf1.w));
+	T n0101 = dot(g0101, detail::tvec4<T>(Pf0.x, Pf1.y, Pf0.z, Pf1.w));
+	T n1101 = dot(g1101, detail::tvec4<T>(Pf1.x, Pf1.y, Pf0.z, Pf1.w));
+	T n0011 = dot(g0011, detail::tvec4<T>(Pf0.x, Pf0.y, Pf1.z, Pf1.w));
+	T n1011 = dot(g1011, detail::tvec4<T>(Pf1.x, Pf0.y, Pf1.z, Pf1.w));
+	T n0111 = dot(g0111, detail::tvec4<T>(Pf0.x, Pf1.y, Pf1.z, Pf1.w));
+	T n1111 = dot(g1111, Pf1);
+
+	detail::tvec4<T> fade_xyzw = fade(Pf0);
+	detail::tvec4<T> n_0w = mix(detail::tvec4<T>(n0000, n1000, n0100, n1100), detail::tvec4<T>(n0001, n1001, n0101, n1101), fade_xyzw.w);
+	detail::tvec4<T> n_1w = mix(detail::tvec4<T>(n0010, n1010, n0110, n1110), detail::tvec4<T>(n0011, n1011, n0111, n1111), fade_xyzw.w);
+	detail::tvec4<T> n_zw = mix(n_0w, n_1w, fade_xyzw.z);
+	detail::tvec2<T> n_yzw = mix(detail::tvec2<T>(n_zw.x, n_zw.y), detail::tvec2<T>(n_zw.z, n_zw.w), fade_xyzw.y);
+	T n_xyzw = mix(n_yzw.x, n_yzw.y, fade_xyzw.x);
+	return T(2.2) * n_xyzw;
+}
+
+template <typename T>
+GLM_FUNC_QUALIFIER T simplex(glm::detail::tvec2<T> const & v)
+{
+	detail::tvec4<T> const C = detail::tvec4<T>(
+		T( 0.211324865405187),  // (3.0 -  sqrt(3.0)) / 6.0
+		T( 0.366025403784439),  //  0.5 * (sqrt(3.0)  - 1.0)
+		T(-0.577350269189626),	// -1.0 + 2.0 * C.x
+		T( 0.024390243902439)); //  1.0 / 41.0
+
+	// First corner
+	detail::tvec2<T> i  = floor(v + dot(v, detail::tvec2<T>(C[1])));
+	detail::tvec2<T> x0 = v -   i + dot(i, detail::tvec2<T>(C[0]));
+
+	// Other corners
+	//i1.x = step( x0.y, x0.x ); // x0.x > x0.y ? 1.0 : 0.0
+	//i1.y = 1.0 - i1.x;
+	detail::tvec2<T> i1 = (x0.x > x0.y) ? detail::tvec2<T>(1, 0) : detail::tvec2<T>(0, 1);
+	// x0 = x0 - 0.0 + 0.0 * C.xx ;
+	// x1 = x0 - i1 + 1.0 * C.xx ;
+	// x2 = x0 - 1.0 + 2.0 * C.xx ;
+	detail::tvec4<T> x12 = detail::tvec4<T>(x0.x, x0.y, x0.x, x0.y) + detail::tvec4<T>(C.x, C.x, C.z, C.z);
+	x12 = detail::tvec4<T>(detail::tvec2<T>(x12) - i1, x12.z, x12.w);
+
+	// Permutations
+	i = mod(i, T(289)); // Avoid truncation effects in permutation
+	detail::tvec3<T> p = permute(
+		permute(i.y + detail::tvec3<T>(T(0), i1.y, T(1)))
+		+ i.x + detail::tvec3<T>(T(0), i1.x, T(1)));
+
+	detail::tvec3<T> m = max(T(0.5) - detail::tvec3<T>(
+		dot(x0, x0), 
+		dot(detail::tvec2<T>(x12.x, x12.y), detail::tvec2<T>(x12.x, x12.y)), 
+		dot(detail::tvec2<T>(x12.z, x12.w), detail::tvec2<T>(x12.z, x12.w))), T(0));
+	m = m * m ;
+	m = m * m ;
+
+	// Gradients: 41 points uniformly over a line, mapped onto a diamond.
+	// The ring size 17*17 = 289 is close to a multiple of 41 (41*7 = 287)
+
+	detail::tvec3<T> x = T(2) * fract(p * C.w) - T(1);
+	detail::tvec3<T> h = abs(x) - T(0.5);
+	detail::tvec3<T> ox = floor(x + T(0.5));
+	detail::tvec3<T> a0 = x - ox;
+
+	// Normalise gradients implicitly by scaling m
+	// Inlined for speed: m *= taylorInvSqrt( a0*a0 + h*h );
+	m *= T(1.79284291400159) - T(0.85373472095314) * (a0 * a0 + h * h);
+
+	// Compute final noise value at P
+	detail::tvec3<T> g;
+	g.x  = a0.x  * x0.x  + h.x  * x0.y;
+	//g.yz = a0.yz * x12.xz + h.yz * x12.yw;
+	g.y = a0.y * x12.x + h.y * x12.y;
+	g.z = a0.z * x12.z + h.z * x12.w;
+	return T(130) * dot(m, g);
+}
+
+template <typename T>
+GLM_FUNC_QUALIFIER T simplex(detail::tvec3<T> const & v)
+{ 
+	detail::tvec2<T> const C(1.0 / 6.0, 1.0 / 3.0);
+	detail::tvec4<T> const D(0.0, 0.5, 1.0, 2.0);
+
+	// First corner
+	detail::tvec3<T> i(floor(v + dot(v, detail::tvec3<T>(C.y))));
+	detail::tvec3<T> x0(v - i + dot(i, detail::tvec3<T>(C.x)));
+
+	// Other corners
+	detail::tvec3<T> g(step(detail::tvec3<T>(x0.y, x0.z, x0.x), x0));
+	detail::tvec3<T> l(T(1) - g);
+	detail::tvec3<T> i1(min(g, detail::tvec3<T>(l.z, l.x, l.y)));
+	detail::tvec3<T> i2(max(g, detail::tvec3<T>(l.z, l.x, l.y)));
+
+	//   x0 = x0 - 0.0 + 0.0 * C.xxx;
+	//   x1 = x0 - i1  + 1.0 * C.xxx;
+	//   x2 = x0 - i2  + 2.0 * C.xxx;
+	//   x3 = x0 - 1.0 + 3.0 * C.xxx;
+	detail::tvec3<T> x1(x0 - i1 + C.x);
+	detail::tvec3<T> x2(x0 - i2 + C.y); // 2.0*C.x = 1/3 = C.y
+	detail::tvec3<T> x3(x0 - D.y);      // -1.0+3.0*C.x = -0.5 = -D.y
+
+	// Permutations
+	i = mod289(i); 
+	detail::tvec4<T> p(permute(permute(permute( 
+		i.z + detail::tvec4<T>(T(0), i1.z, i2.z, T(1))) + 
+		i.y + detail::tvec4<T>(T(0), i1.y, i2.y, T(1))) + 
+		i.x + detail::tvec4<T>(T(0), i1.x, i2.x, T(1))));
+
+	// Gradients: 7x7 points over a square, mapped onto an octahedron.
+	// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
+	T n_ = T(0.142857142857); // 1.0/7.0
+	detail::tvec3<T> ns(n_ * detail::tvec3<T>(D.w, D.y, D.z) - detail::tvec3<T>(D.x, D.z, D.x));
+
+	detail::tvec4<T> j(p - T(49) * floor(p * ns.z * ns.z));  //  mod(p,7*7)
+
+	detail::tvec4<T> x_(floor(j * ns.z));
+	detail::tvec4<T> y_(floor(j - T(7) * x_));    // mod(j,N)
+
+	detail::tvec4<T> x(x_ * ns.x + ns.y);
+	detail::tvec4<T> y(y_ * ns.x + ns.y);
+	detail::tvec4<T> h(T(1) - abs(x) - abs(y));
+
+	detail::tvec4<T> b0(x.x, x.y, y.x, y.y);
+	detail::tvec4<T> b1(x.z, x.w, y.z, y.w);
+
+	// vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
+	// vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
+	detail::tvec4<T> s0(floor(b0) * T(2) + T(1));
+	detail::tvec4<T> s1(floor(b1) * T(2) + T(1));
+	detail::tvec4<T> sh(-step(h, detail::tvec4<T>(0.0)));
+
+	detail::tvec4<T> a0 = detail::tvec4<T>(b0.x, b0.z, b0.y, b0.w) + detail::tvec4<T>(s0.x, s0.z, s0.y, s0.w) * detail::tvec4<T>(sh.x, sh.x, sh.y, sh.y);
+	detail::tvec4<T> a1 = detail::tvec4<T>(b1.x, b1.z, b1.y, b1.w) + detail::tvec4<T>(s1.x, s1.z, s1.y, s1.w) * detail::tvec4<T>(sh.z, sh.z, sh.w, sh.w);
+
+	detail::tvec3<T> p0(a0.x, a0.y, h.x);
+	detail::tvec3<T> p1(a0.z, a0.w, h.y);
+	detail::tvec3<T> p2(a1.x, a1.y, h.z);
+	detail::tvec3<T> p3(a1.z, a1.w, h.w);
+
+	// Normalise gradients
+	detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3)));
+	p0 *= norm.x;
+	p1 *= norm.y;
+	p2 *= norm.z;
+	p3 *= norm.w;
+
+	// Mix final noise value
+	detail::tvec4<T> m = max(T(0.6) - detail::tvec4<T>(dot(x0, x0), dot(x1, x1), dot(x2, x2), dot(x3, x3)), T(0));
+	m = m * m;
+	return T(42) * dot(m * m, detail::tvec4<T>(dot(p0, x0), dot(p1, x1), dot(p2, x2), dot(p3, x3)));
+}
+
+template <typename T>
+GLM_FUNC_QUALIFIER T simplex(detail::tvec4<T> const & v)
+{
+	detail::tvec4<T> const C(
+		0.138196601125011,  // (5 - sqrt(5))/20  G4
+		0.276393202250021,  // 2 * G4
+		0.414589803375032,  // 3 * G4
+		-0.447213595499958); // -1 + 4 * G4
+
+	// (sqrt(5) - 1)/4 = F4, used once below
+	T const F4 = T(0.309016994374947451);
+
+	// First corner
+	detail::tvec4<T> i  = floor(v + dot(v, vec4(F4)));
+	detail::tvec4<T> x0 = v -   i + dot(i, vec4(C.x));
+
+	// Other corners
+
+	// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI)
+	detail::tvec4<T> i0;
+	detail::tvec3<T> isX = step(detail::tvec3<T>(x0.y, x0.z, x0.w), detail::tvec3<T>(x0.x));
+	detail::tvec3<T> isYZ = step(detail::tvec3<T>(x0.z, x0.w, x0.w), detail::tvec3<T>(x0.y, x0.y, x0.z));
+	//  i0.x = dot(isX, vec3(1.0));
+	//i0.x = isX.x + isX.y + isX.z;
+	//i0.yzw = T(1) - isX;
+    i0 = detail::tvec4<T>(isX.x + isX.y + isX.z, T(1) - isX);
+	//  i0.y += dot(isYZ.xy, vec2(1.0));
+	i0.y += isYZ.x + isYZ.y;
+	//i0.zw += 1.0 - detail::tvec2<T>(isYZ.x, isYZ.y);
+    i0.z += T(1) - isYZ.x;
+    i0.w += T(1) - isYZ.y;
+	i0.z += isYZ.z;
+	i0.w += T(1) - isYZ.z;
+
+	// i0 now contains the unique values 0,1,2,3 in each channel
+	detail::tvec4<T> i3 = clamp(i0, 0.0, 1.0);
+	detail::tvec4<T> i2 = clamp(i0 - 1.0, 0.0, 1.0);
+	detail::tvec4<T> i1 = clamp(i0 - 2.0, 0.0, 1.0);
+
+	//  x0 = x0 - 0.0 + 0.0 * C.xxxx
+	//  x1 = x0 - i1  + 0.0 * C.xxxx
+	//  x2 = x0 - i2  + 0.0 * C.xxxx
+	//  x3 = x0 - i3  + 0.0 * C.xxxx
+	//  x4 = x0 - 1.0 + 4.0 * C.xxxx
+	detail::tvec4<T> x1 = x0 - i1 + C.x;
+	detail::tvec4<T> x2 = x0 - i2 + C.y;
+	detail::tvec4<T> x3 = x0 - i3 + C.z;
+	detail::tvec4<T> x4 = x0 + C.w;
+
+	// Permutations
+	i = mod(i, T(289)); 
+	T j0 = permute(permute(permute(permute(i.w) + i.z) + i.y) + i.x);
+	detail::tvec4<T> j1 = permute(permute(permute(permute(
+				i.w + detail::tvec4<T>(i1.w, i2.w, i3.w, T(1)))
+			+ i.z + detail::tvec4<T>(i1.z, i2.z, i3.z, T(1)))
+			+ i.y + detail::tvec4<T>(i1.y, i2.y, i3.y, T(1)))
+			+ i.x + detail::tvec4<T>(i1.x, i2.x, i3.x, T(1)));
+
+	// Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope
+	// 7*7*6 = 294, which is close to the ring size 17*17 = 289.
+	detail::tvec4<T> ip = detail::tvec4<T>(T(1) / T(294), T(1) / T(49), T(1) / T(7), T(0));
+
+	detail::tvec4<T> p0 = grad4(j0,   ip);
+	detail::tvec4<T> p1 = grad4(j1.x, ip);
+	detail::tvec4<T> p2 = grad4(j1.y, ip);
+	detail::tvec4<T> p3 = grad4(j1.z, ip);
+	detail::tvec4<T> p4 = grad4(j1.w, ip);
+
+	// Normalise gradients
+	detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3)));
+	p0 *= norm.x;
+	p1 *= norm.y;
+	p2 *= norm.z;
+	p3 *= norm.w;
+	p4 *= taylorInvSqrt(dot(p4, p4));
+
+	// Mix contributions from the five corners
+	detail::tvec3<T> m0 = max(T(0.6) - detail::tvec3<T>(dot(x0, x0), dot(x1, x1), dot(x2, x2)), T(0));
+	detail::tvec2<T> m1 = max(T(0.6) - detail::tvec2<T>(dot(x3, x3), dot(x4, x4)             ), T(0));
+	m0 = m0 * m0;
+	m1 = m1 * m1;
+	return T(49) * 
+		(dot(m0 * m0, detail::tvec3<T>(dot(p0, x0), dot(p1, x1), dot(p2, x2))) + 
+		dot(m1 * m1, detail::tvec2<T>(dot(p3, x3), dot(p4, x4))));
+}
+
+}//namespace glm
diff --git a/glm/gtx/constants.hpp b/glm/gtx/constants.hpp
new file mode 100644
index 00000000..d8ea4f05
--- /dev/null
+++ b/glm/gtx/constants.hpp
@@ -0,0 +1,177 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref constants
+/// @file glm/gtx/constants.hpp
+/// @date 2011-09-30 / 2011-09-30
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_half_float (dependence)
+///
+/// @defgroup gtx_constants GLM_GTX_constants: Provide build-in constants
+/// @ingroup gtx
+/// 
+/// @brief Allow to perform bit operations on integer values
+/// 
+/// <glm/gtx/constants.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_constants
+#define GLM_GTX_constants GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/half_float.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_constants extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_constants
+	/// @{
+
+	template <typename T>
+	T pi();
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T pi()
+	{
+		return T(3.14159265358979323846264338327950288);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T root_pi()
+	{
+		return T(1.772453850905516027);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T half_pi()
+	{
+		return T(1.57079632679489661923132169163975144);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T quarter_pi()
+	{
+		return T(0.785398163397448309615660845819875721);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T one_over_pi()
+	{
+		return T(0.318309886183790671537767526745028724);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T two_over_pi()
+	{
+		return T(0.636619772367581343075535053490057448);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T two_over_root_pi()
+	{
+		return T(1.12837916709551257389615890312154517);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T one_over_root_two()
+	{
+		return T(0.707106781186547524400844362104849039);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T root_half_pi()
+	{
+		return T(1.253314137315500251);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T root_two_pi()
+	{
+		return T(2.506628274631000502);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T root_ln_four()
+	{
+		return T(1.17741002251547469);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T e()
+	{
+		return T(2.71828182845904523536);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T euler()
+	{
+		return T(0.577215664901532860606);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T root_two()
+	{
+		return T(1.41421356237309504880168872420969808);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T ln_two()
+	{
+		return T(0.693147180559945309417232121458176568);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T ln_ten(2.30258509299404568401799145468436421)
+	{
+		return T();
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T ln_ln_two()
+	{
+		return T(-0.3665129205816643);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T third()
+	{
+		return T(0.333333333333333333);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T twothirds()
+	{
+		return T(0.666666666666666666);
+	}
+
+	/// @}
+} //namespace glm
+
+#include "constants.inl"
+
+#endif//GLM_GTX_constants
diff --git a/glm/gtx/constants.inl b/glm/gtx/constants.inl
new file mode 100644
index 00000000..885c66af
--- /dev/null
+++ b/glm/gtx/constants.inl
@@ -0,0 +1,792 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtc_half_float
+/// @file glm/gtc/half_float.inl
+/// @date 2009-04-29 / 2011-06-05
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
+
+#include "../core/_detail.hpp"
+
+namespace glm{
+
+template <typename genIType>
+GLM_FUNC_QUALIFIER genIType mask
+(
+	genIType const & count
+)
+{
+	return ((genIType(1) << (count)) - genIType(1));
+}
+
+template <typename valIType>
+GLM_FUNC_QUALIFIER detail::tvec2<valIType> mask
+(
+	detail::tvec2<valIType> const & count
+)
+{
+	return detail::tvec2<valIType>(
+		mask(count[0]),
+		mask(count[1]));
+}
+
+template <typename valIType>
+GLM_FUNC_QUALIFIER detail::tvec3<valIType> mask
+(
+	detail::tvec3<valIType> const & count
+)
+{
+	return detail::tvec3<valIType>(
+		mask(count[0]),
+		mask(count[1]),
+		mask(count[2]));
+}
+
+template <typename valIType>
+GLM_FUNC_QUALIFIER detail::tvec4<valIType> mask
+(
+	detail::tvec4<valIType> const & count
+)
+{
+	return detail::tvec4<valIType>(
+		mask(count[0]),
+		mask(count[1]),
+		mask(count[2]),
+		mask(count[3]));
+}
+
+// extractField
+template <typename genIType>
+GLM_FUNC_QUALIFIER genIType extractField
+(
+	half const & value, 
+	genIType const & first, 
+	genIType const & count
+)
+{
+	assert(first + count < sizeof(half));
+	return (value._data() << first) >> ((sizeof(half) << 3) - count);
+}
+
+template <typename genIType>
+GLM_FUNC_QUALIFIER genIType extractField
+(
+	float const & value, 
+	genIType const & first, 
+	genIType const & count
+)
+{
+	assert(first + count < sizeof(float));
+	return (detail::uif32(value).i << first) >> ((sizeof(float) << 3) - count);
+}
+
+template <typename genIType>
+GLM_FUNC_QUALIFIER genIType extractField
+(
+	double const & value, 
+	genIType const & first, 
+	genIType const & count
+)
+{
+	assert(first + count < sizeof(double));
+	return (detail::uif64(value).i << first) >> ((sizeof(double) << genIType(3)) - count);
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER genIUType extractField
+(
+	genIUType const & Value, 
+	sizeType const & First, 
+	sizeType const & Count
+)
+{
+	sizeType GenSize = sizeof(genIUType) << 3;
+
+	assert(First + Count <= GenSize);
+
+	genIUType ShiftLeft = Count ? Value << (GenSize - (Count + First)) : 0;
+	genIUType ShiftBack = ShiftLeft >> genIUType(GenSize - Count);
+
+	return ShiftBack;
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec2<genIUType> extractField
+(
+	detail::tvec2<genIUType> const & value, 
+	sizeType const & first, 
+	sizeType const & count
+)
+{
+	return detail::tvec2<genIUType>(
+		extractField(value[0], first, count),
+		extractField(value[1], first, count));
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec3<genIUType> extractField
+(
+	detail::tvec3<genIUType> const & value, 
+	sizeType const & first, 
+	sizeType const & count
+)
+{
+	return detail::tvec3<genIUType>(
+		extractField(value[0], first, count),
+		extractField(value[1], first, count),
+		extractField(value[2], first, count));
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec4<genIUType> extractField
+(
+	detail::tvec4<genIUType> const & value, 
+	sizeType const & first, 
+	sizeType const & count
+)
+{
+	return detail::tvec4<genIUType>(
+		extractField(value[0], first, count),
+		extractField(value[1], first, count),
+		extractField(value[2], first, count),
+		extractField(value[3], first, count));
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec2<genIUType> extractField
+(
+	detail::tvec2<genIUType> const & value, 
+	detail::tvec2<sizeType> const & first, 
+	detail::tvec2<sizeType> const & count
+)
+{
+	return detail::tvec2<genIUType>(
+		extractField(value[0], first[0], count[0]),
+		extractField(value[1], first[1], count[1]));
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec3<genIUType> extractField
+(
+	detail::tvec3<genIUType> const & value, 
+	detail::tvec3<sizeType> const & first, 
+	detail::tvec3<sizeType> const & count
+)
+{
+	return detail::tvec3<genIUType>(
+		extractField(value[0], first[0], count[0]),
+		extractField(value[1], first[1], count[1]),
+		extractField(value[2], first[2], count[2]));
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec4<genIUType> extractField
+(
+	detail::tvec4<genIUType> const & value, 
+	detail::tvec4<sizeType> const & first, 
+	detail::tvec4<sizeType> const & count
+)
+{
+	return detail::tvec4<genIUType>(
+		extractField(value[0], first[0], count[0]),
+		extractField(value[1], first[1], count[1]),
+		extractField(value[2], first[2], count[2]),
+		extractField(value[3], first[3], count[3]));
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec2<genIUType> extractField
+(
+	genIUType const & value, 
+	detail::tvec2<sizeType> const & first, 
+	detail::tvec2<sizeType> const & count
+)
+{
+	return detail::tvec2<genIUType>(
+		extractField(value, first[0], count[0]),
+		extractField(value, first[1], count[1]));
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec3<genIUType> extractField
+(
+	genIUType const & value, 
+	detail::tvec3<sizeType> const & first, 
+	detail::tvec3<sizeType> const & count
+)
+{
+	return detail::tvec3<genIUType>(
+		extractField(value, first[0], count[0]),
+		extractField(value, first[1], count[1]),
+		extractField(value, first[2], count[2]));
+}
+
+template <typename genIUType, typename sizeType>
+GLM_FUNC_QUALIFIER detail::tvec4<genIUType> extractField
+(
+	genIUType const & value, 
+	detail::tvec4<sizeType> const & first, 
+	detail::tvec4<sizeType> const & count
+)
+{
+	return detail::tvec4<genIUType>(
+		extractField(value, first[0], count[0]),
+		extractField(value, first[1], count[1]),
+		extractField(value, first[2], count[2]),
+		extractField(value, first[3], count[3]));
+}
+
+// lowestBit
+template <typename genType>
+GLM_FUNC_QUALIFIER int lowestBit
+(
+	genType const & Value
+)
+{
+	assert(Value != genType(0)); // not valid call
+
+	genType Bit;
+	for(Bit = genType(0); !(Value & (1 << Bit)); ++Bit){}
+	return Bit;
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<int> lowestBit
+(
+	detail::tvec2<valType> const & value
+)
+{
+	return detail::tvec2<int>(
+		lowestBit(value[0]),
+		lowestBit(value[1]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<int> lowestBit
+(
+	detail::tvec3<valType> const & value
+)
+{
+	return detail::tvec3<int>(
+		lowestBit(value[0]),
+		lowestBit(value[1]),
+		lowestBit(value[2]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<int> lowestBit
+(
+	detail::tvec4<valType> const & value
+)
+{
+	return detail::tvec4<int>(
+		lowestBit(value[0]),
+		lowestBit(value[1]),
+		lowestBit(value[2]),
+		lowestBit(value[3]));
+}
+
+// highestBit
+template <typename genType>
+GLM_FUNC_QUALIFIER int highestBit
+(
+	genType const & value
+)
+{
+	assert(value != genType(0)); // not valid call
+
+	genType bit = genType(-1);
+	for(genType tmp = value; tmp; tmp >>= 1, ++bit){}
+	return bit;
+}
+
+//template <>
+//GLM_FUNC_QUALIFIER int highestBit<int>
+//(
+//	int value
+//)
+//{
+//	int bit = -1;
+//	for(int tmp = value; tmp; tmp >>= 1, ++bit);
+//	return bit;
+//}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<int> highestBit
+(
+	detail::tvec2<valType> const & value
+)
+{
+	return detail::tvec2<int>(
+		highestBit(value[0]),
+		highestBit(value[1]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<int> highestBit
+(
+	detail::tvec3<valType> const & value
+)
+{
+	return detail::tvec3<int>(
+		highestBit(value[0]),
+		highestBit(value[1]),
+		highestBit(value[2]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<int> highestBit
+(
+	detail::tvec4<valType> const & value
+)
+{
+	return detail::tvec4<int>(
+		highestBit(value[0]),
+		highestBit(value[1]),
+		highestBit(value[2]),
+		highestBit(value[3]));
+}
+
+// highestBitValue
+template <typename genType>
+GLM_FUNC_QUALIFIER genType highestBitValue
+(
+	genType const & value
+)
+{
+	genType tmp = value;
+	genType result = genType(0);
+	while(tmp)
+	{
+		result = (tmp & (~tmp + 1)); // grab lowest bit
+		tmp &= ~result; // clear lowest bit
+	}
+	return result;
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<int> highestBitValue
+(
+	detail::tvec2<valType> const & value
+)
+{
+	return detail::tvec2<int>(
+		highestBitValue(value[0]),
+		highestBitValue(value[1]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<int> highestBitValue
+(
+	detail::tvec3<valType> const & value
+)
+{
+	return detail::tvec3<int>(
+		highestBitValue(value[0]),
+		highestBitValue(value[1]),
+		highestBitValue(value[2]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<int> highestBitValue
+(
+	detail::tvec4<valType> const & value
+)
+{
+	return detail::tvec4<int>(
+		highestBitValue(value[0]),
+		highestBitValue(value[1]),
+		highestBitValue(value[2]),
+		highestBitValue(value[3]));
+}
+
+// isPowerOfTwo
+template <typename genType>
+GLM_FUNC_QUALIFIER bool isPowerOfTwo(genType const & Value)
+{
+	//detail::If<std::numeric_limits<genType>::is_signed>::apply(abs, Value);
+	//return !(Value & (Value - 1));
+
+    // For old complier?
+	genType Result = Value;
+	if(std::numeric_limits<genType>::is_signed)
+		Result = abs(Result);
+	return !(Result & (Result - 1));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<bool> isPowerOfTwo
+(
+	detail::tvec2<valType> const & value
+)
+{
+	return detail::tvec2<bool>(
+		isPowerOfTwo(value[0]),
+		isPowerOfTwo(value[1]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<bool> isPowerOfTwo
+(
+	detail::tvec3<valType> const & value
+)
+{
+	return detail::tvec3<bool>(
+		isPowerOfTwo(value[0]),
+		isPowerOfTwo(value[1]),
+		isPowerOfTwo(value[2]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<bool> isPowerOfTwo
+(
+	detail::tvec4<valType> const & value
+)
+{
+	return detail::tvec4<bool>(
+		isPowerOfTwo(value[0]),
+		isPowerOfTwo(value[1]),
+		isPowerOfTwo(value[2]),
+		isPowerOfTwo(value[3]));
+}
+
+// powerOfTwoAbove
+template <typename genType>
+GLM_FUNC_QUALIFIER genType powerOfTwoAbove(genType const & value)
+{
+	return isPowerOfTwo(value) ? value : highestBitValue(value) << 1;
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<valType> powerOfTwoAbove
+(
+	detail::tvec2<valType> const & value
+)
+{
+	return detail::tvec2<valType>(
+		powerOfTwoAbove(value[0]),
+		powerOfTwoAbove(value[1]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<valType> powerOfTwoAbove
+(
+	detail::tvec3<valType> const & value
+)
+{
+	return detail::tvec3<valType>(
+		powerOfTwoAbove(value[0]),
+		powerOfTwoAbove(value[1]),
+		powerOfTwoAbove(value[2]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<valType> powerOfTwoAbove
+(
+	detail::tvec4<valType> const & value
+)
+{
+	return detail::tvec4<valType>(
+		powerOfTwoAbove(value[0]),
+		powerOfTwoAbove(value[1]),
+		powerOfTwoAbove(value[2]),
+		powerOfTwoAbove(value[3]));
+}
+
+// powerOfTwoBelow
+template <typename genType>
+GLM_FUNC_QUALIFIER genType powerOfTwoBelow
+(
+	genType const & value
+)
+{
+	return isPowerOfTwo(value) ? value : highestBitValue(value);
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<valType> powerOfTwoBelow
+(
+	detail::tvec2<valType> const & value
+)
+{
+	return detail::tvec2<valType>(
+		powerOfTwoBelow(value[0]),
+		powerOfTwoBelow(value[1]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<valType> powerOfTwoBelow
+(
+	detail::tvec3<valType> const & value
+)
+{
+	return detail::tvec3<valType>(
+		powerOfTwoBelow(value[0]),
+		powerOfTwoBelow(value[1]),
+		powerOfTwoBelow(value[2]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<valType> powerOfTwoBelow
+(
+	detail::tvec4<valType> const & value
+)
+{
+	return detail::tvec4<valType>(
+		powerOfTwoBelow(value[0]),
+		powerOfTwoBelow(value[1]),
+		powerOfTwoBelow(value[2]),
+		powerOfTwoBelow(value[3]));
+}
+
+// powerOfTwoNearest
+template <typename genType>
+GLM_FUNC_QUALIFIER genType powerOfTwoNearest
+(
+	genType const & value
+)
+{
+	if(isPowerOfTwo(value))
+		return value;
+
+	genType prev = highestBitValue(value);
+	genType next = prev << 1;
+	return (next - value) < (value - prev) ? next : prev;
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<valType> powerOfTwoNearest
+(
+	detail::tvec2<valType> const & value
+)
+{
+	return detail::tvec2<valType>(
+		powerOfTwoNearest(value[0]),
+		powerOfTwoNearest(value[1]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<valType> powerOfTwoNearest
+(
+	detail::tvec3<valType> const & value
+)
+{
+	return detail::tvec3<valType>(
+		powerOfTwoNearest(value[0]),
+		powerOfTwoNearest(value[1]),
+		powerOfTwoNearest(value[2]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<valType> powerOfTwoNearest
+(
+	detail::tvec4<valType> const & value
+)
+{
+	return detail::tvec4<valType>(
+		powerOfTwoNearest(value[0]),
+		powerOfTwoNearest(value[1]),
+		powerOfTwoNearest(value[2]),
+		powerOfTwoNearest(value[3]));
+}
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType bitRevert(genType const & In)
+{
+	GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_integer, "'bitRevert' only accept integer values");
+
+	genType Out = 0;
+	std::size_t BitSize = sizeof(genType) * 8;
+	for(std::size_t i = 0; i < BitSize; ++i)
+		if(In & (genType(1) << i))
+			Out |= genType(1) << (BitSize - 1 - i);
+	return Out;
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<valType> bitRevert
+(
+	detail::tvec2<valType> const & Value
+)
+{
+	return detail::tvec2<valType>(
+		bitRevert(Value[0]),
+		bitRevert(Value[1]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<valType> bitRevert
+(
+	detail::tvec3<valType> const & Value
+)
+{
+	return detail::tvec3<valType>(
+		bitRevert(Value[0]),
+		bitRevert(Value[1]),
+		bitRevert(Value[2]));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<valType> bitRevert
+(
+	detail::tvec4<valType> const & Value
+)
+{
+	return detail::tvec4<valType>(
+		bitRevert(Value[0]),
+		bitRevert(Value[1]),
+		bitRevert(Value[2]),
+		bitRevert(Value[3]));
+}
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType bitRotateRight(genType const & In, std::size_t Shift)
+{
+	GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_integer, "'bitRotateRight' only accept integer values");
+
+	std::size_t BitSize = sizeof(genType) * 8;
+	return (In << Shift) | (In >> (BitSize - Shift));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<valType> bitRotateRight
+(
+	detail::tvec2<valType> const & Value, 
+	std::size_t Shift
+)
+{
+	return detail::tvec2<valType>(
+		bitRotateRight(Value[0], Shift),
+		bitRotateRight(Value[1], Shift));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<valType> bitRotateRight
+(
+	detail::tvec3<valType> const & Value, 
+	std::size_t Shift
+)
+{
+	return detail::tvec3<valType>(
+		bitRotateRight(Value[0], Shift),
+		bitRotateRight(Value[1], Shift),
+		bitRotateRight(Value[2], Shift));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<valType> bitRotateRight
+(
+	detail::tvec4<valType> const & Value, 
+	std::size_t Shift
+)
+{
+	return detail::tvec4<valType>(
+		bitRotateRight(Value[0], Shift),
+		bitRotateRight(Value[1], Shift),
+		bitRotateRight(Value[2], Shift),
+		bitRotateRight(Value[3], Shift));
+}
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType bitRotateLeft(genType const & In, std::size_t Shift)
+{
+	GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_integer, "'bitRotateLeft' only accept integer values");
+
+	std::size_t BitSize = sizeof(genType) * 8;
+	return (In >> Shift) | (In << (BitSize - Shift));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec2<valType> bitRotateLeft
+(
+	detail::tvec2<valType> const & Value, 
+	std::size_t Shift
+)
+{
+	return detail::tvec2<valType>(
+		bitRotateLeft(Value[0], Shift),
+		bitRotateLeft(Value[1], Shift));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec3<valType> bitRotateLeft
+(
+	detail::tvec3<valType> const & Value, 
+	std::size_t Shift
+)
+{
+	return detail::tvec3<valType>(
+		bitRotateLeft(Value[0], Shift),
+		bitRotateLeft(Value[1], Shift),
+		bitRotateLeft(Value[2], Shift));
+}
+
+template <typename valType>
+GLM_FUNC_QUALIFIER detail::tvec4<valType> bitRotateLeft
+(
+	detail::tvec4<valType> const & Value, 
+	std::size_t Shift
+)
+{
+	return detail::tvec4<valType>(
+		bitRotateLeft(Value[0], Shift),
+		bitRotateLeft(Value[1], Shift),
+		bitRotateLeft(Value[2], Shift),
+		bitRotateLeft(Value[3], Shift));
+}
+
+template <typename genIUType>
+GLM_FUNC_QUALIFIER genIUType fillBitfieldWithOne
+(
+	genIUType const & Value,
+	int const & FromBit, 
+	int const & ToBit
+)
+{
+	assert(FromBit <= ToBit);
+	assert(ToBit <= sizeof(genIUType) * std::size_t(8));
+
+	genIUType Result = Value;
+	for(std::size_t i = 0; i <= ToBit; ++i)
+		Result |= (1 << i);
+	return Result;
+}
+
+template <typename genIUType>
+GLM_FUNC_QUALIFIER genIUType fillBitfieldWithZero
+(
+	genIUType const & Value,
+	int const & FromBit, 
+	int const & ToBit
+)
+{
+	assert(FromBit <= ToBit);
+	assert(ToBit <= sizeof(genIUType) * std::size_t(8));
+
+	genIUType Result = Value;
+	for(std::size_t i = 0; i <= ToBit; ++i)
+		Result &= ~(1 << i);
+	return Result;
+}
+
+}//namespace glm
diff --git a/glm/gtx/gradient_paint.hpp b/glm/gtx/gradient_paint.hpp
index d46bd581..746e32a7 100644
--- a/glm/gtx/gradient_paint.hpp
+++ b/glm/gtx/gradient_paint.hpp
@@ -55,18 +55,18 @@ namespace glm
 	/// @see - gtx_gradient_paint
 	template <typename valType>
 	valType radialGradient(
-		glm::detail::tvec2<valType> const & Center,
+		detail::tvec2<valType> const & Center,
 		valType const & Radius,
-		glm::detail::tvec2<valType> const & Focal,
-		glm::detail::tvec2<valType> const & Position);
+		detail::tvec2<valType> const & Focal,
+		detail::tvec2<valType> const & Position);
 
 	/// Return a color from a linear gradient.
 	/// @see - gtx_gradient_paint
 	template <typename valType>
 	valType linearGradient(
-		glm::detail::tvec2<valType> const & Point0,
-		glm::detail::tvec2<valType> const & Point1,
-		glm::detail::tvec2<valType> const & Position);
+		detail::tvec2<valType> const & Point0,
+		detail::tvec2<valType> const & Point1,
+		detail::tvec2<valType> const & Position);
 
 	/// @}
 }// namespace glm
diff --git a/glm/gtx/gradient_paint.inl b/glm/gtx/gradient_paint.inl
index f6ea0718..0043f47e 100644
--- a/glm/gtx/gradient_paint.inl
+++ b/glm/gtx/gradient_paint.inl
@@ -10,30 +10,34 @@
 namespace glm{
 
 template <typename valType>
-valType radialGradient(
-	glm::detail::tvec2<valType> const & Center,
+valType radialGradient
+(
+	detail::tvec2<valType> const & Center,
 	valType const & Radius,
-	glm::detail::tvec2<valType> const & Focal,
-	glm::detail::tvec2<valType> const & Position)
+	detail::tvec2<valType> const & Focal,
+	detail::tvec2<valType> const & Position
+)
 {
-	glm::detail::tvec2<valType> F = Focal - Center;
-	glm::detail::tvec2<valType> D = Position - Focal;
-	valType Radius2 = gtx::pow2(Radius);
-	valType Fx2 = gtx::pow2(F.x);
-	valType Fy2 = gtx::pow2(F.y);
+	detail::tvec2<valType> F = Focal - Center;
+	detail::tvec2<valType> D = Position - Focal;
+	valType Radius2 = pow2(Radius);
+	valType Fx2 = pow2(F.x);
+	valType Fy2 = pow2(F.y);
 
-	valType Numerator = (D.x * F.x + D.y * F.y) + glm::sqrt(Radius2 * (gtx::pow2(D.x) + gtx::pow2(D.y)) - gtx::pow2(D.x * F.y - D.y * F.x));
+	valType Numerator = (D.x * F.x + D.y * F.y) + sqrt(Radius2 * (pow2(D.x) + pow2(D.y)) - pow2(D.x * F.y - D.y * F.x));
 	valType Denominator = Radius2 - (Fx2 + Fy2);
 	return Numerator / Denominator;
 }
 
 template <typename valType>
-valType linearGradient(
-	glm::detail::tvec2<valType> const & Point0,
-	glm::detail::tvec2<valType> const & Point1,
-	glm::detail::tvec2<valType> const & Position)
+valType linearGradient
+(
+	detail::tvec2<valType> const & Point0,
+	detail::tvec2<valType> const & Point1,
+	detail::tvec2<valType> const & Position
+)
 {
-	glm::detail::tvec2<valType> Dist = Point1 - Point0;
+	detail::tvec2<valType> Dist = Point1 - Point0;
 	return (Dist.x * (Position.x - Point0.x) + Dist.y * (Position.y - Point0.y)) / glm::dot(Dist, Dist);
 }
 
diff --git a/glm/gtx/integer.hpp b/glm/gtx/integer.hpp
index 0fe8cb0b..e0f10dcf 100644
--- a/glm/gtx/integer.hpp
+++ b/glm/gtx/integer.hpp
@@ -22,7 +22,7 @@
 ///
 /// @ref gtx_integer
 /// @file glm/gtx/integer.hpp
-/// @date 2005-12-24 / 2011-06-07
+/// @date 2005-12-24 / 2011-10-13
 /// @author Christophe Riccio
 ///
 /// @see core (dependence)
@@ -58,6 +58,15 @@ namespace glm
 	//! From GLM_GTX_integer extension.
 	int sqrt(int x);
 
+	//! Returns the log2 of x. Can be reliably using to compute mipmap count from the texture size.
+	//! From GLM_GTX_integer extension.
+	template <typename genType>
+	genType log2(genType const & x);
+
+	//! Returns the floor log2 of x.
+	//! From GLM_GTX_integer extension.
+	unsigned int floor_log2(unsigned int x);
+
 	//! Modulus. Returns x - y * floor(x / y) for each component in x using the floating point value y.
 	//! From GLM_GTX_integer extension.
 	int mod(int x, int y);
@@ -67,6 +76,26 @@ namespace glm
 	template <typename genType> 
 	genType factorial(genType const & x);
 
+	//! 32bit signed integer. 
+	//! From GLM_GTX_integer extension.
+	typedef signed int					sint;
+
+	//! Returns x raised to the y power.
+	//! From GLM_GTX_integer extension.
+	uint pow(uint x, uint y);
+
+	//! Returns the positive square root of x. 
+	//! From GLM_GTX_integer extension.
+	uint sqrt(uint x);
+
+	//! Modulus. Returns x - y * floor(x / y) for each component in x using the floating point value y.
+	//! From GLM_GTX_integer extension.
+	uint mod(uint x, uint y);
+
+	//! Returns the number of leading zeros.
+	//! From GLM_GTX_integer extension.
+	uint nlz(uint x);
+
 	/// @}
 }//namespace glm
 
diff --git a/glm/gtx/integer.inl b/glm/gtx/integer.inl
index b70868cb..ecb4ac9c 100644
--- a/glm/gtx/integer.inl
+++ b/glm/gtx/integer.inl
@@ -2,7 +2,7 @@
 // OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // Created : 2005-12-24
-// Updated : 2006-12-06
+// Updated : 2011-10-13
 // Licence : This source is under MIT License
 // File    : glm/gtx/integer.inl
 ///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -37,6 +37,50 @@ GLM_FUNC_QUALIFIER int sqrt(int x)
     return CurrentAnswer;
 }
 
+// Henry Gordon Dietz: http://aggregate.org/MAGIC/
+namespace detail
+{
+	GLM_FUNC_QUALIFIER unsigned int ones32(unsigned int x)
+	{
+		/* 32-bit recursive reduction using SWAR...
+		but first step is mapping 2-bit values
+		into sum of 2 1-bit values in sneaky way
+		*/
+		x -= ((x >> 1) & 0x55555555);
+		x = (((x >> 2) & 0x33333333) + (x & 0x33333333));
+		x = (((x >> 4) + x) & 0x0f0f0f0f);
+		x += (x >> 8);
+		x += (x >> 16);
+		return(x & 0x0000003f);
+	}
+
+	template <>
+	struct compute_log2<float_or_int_value::INT>
+	{
+		template <typename T>
+		T operator() (T const & Value) const
+		{
+#if(GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_GCC))
+			return Value <= T(1) ? T(0) : T(32) - nlz(Value - T(1));
+#else
+			return T(32) - nlz(Value - T(1));
+#endif
+		}
+	};
+}//namespace detail
+
+// Henry Gordon Dietz: http://aggregate.org/MAGIC/
+unsigned int floor_log2(unsigned int x)
+{
+	x |= (x >> 1);
+	x |= (x >> 2);
+	x |= (x >> 4);
+	x |= (x >> 8);
+	x |= (x >> 16);
+
+	return(detail::ones32(x) - 1);
+}
+
 // mod
 GLM_FUNC_QUALIFIER int mod(int x, int y)
 {
@@ -84,4 +128,74 @@ GLM_FUNC_QUALIFIER detail::tvec4<valType> factorial(
         factorial(x.w));
 }
 
+GLM_FUNC_QUALIFIER uint pow(uint x, uint y)
+{
+    uint result = x;
+    for(uint i = 1; i < y; ++i)
+        result *= x;
+    return result;
+}
+
+GLM_FUNC_QUALIFIER uint sqrt(uint x)
+{
+    if(x <= 1) return x;
+
+    uint NextTrial = x >> 1;
+    uint CurrentAnswer;
+
+    do
+    {
+        CurrentAnswer = NextTrial;
+        NextTrial = (NextTrial + x / NextTrial) >> 1;
+    } while(NextTrial < CurrentAnswer);
+
+    return CurrentAnswer;
+}
+
+GLM_FUNC_QUALIFIER uint mod(uint x, uint y)
+{
+	return x - y * (x / y);
+}
+
+#if(GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_GCC))
+
+GLM_FUNC_QUALIFIER unsigned int nlz(unsigned int x) 
+{
+	return 31u - findMSB(x);
+}
+
+#else
+
+// Hackers Delight: http://www.hackersdelight.org/HDcode/nlz.c.txt
+GLM_FUNC_QUALIFIER unsigned int nlz(unsigned int x) 
+{
+   int y, m, n;
+
+   y = -int(x >> 16);      // If left half of x is 0,
+   m = (y >> 16) & 16;  // set n = 16.  If left half
+   n = 16 - m;          // is nonzero, set n = 0 and
+   x = x >> m;          // shift x right 16.
+                        // Now x is of the form 0000xxxx.
+   y = x - 0x100;       // If positions 8-15 are 0,
+   m = (y >> 16) & 8;   // add 8 to n and shift x left 8.
+   n = n + m;
+   x = x << m;
+
+   y = x - 0x1000;      // If positions 12-15 are 0,
+   m = (y >> 16) & 4;   // add 4 to n and shift x left 4.
+   n = n + m;
+   x = x << m;
+
+   y = x - 0x4000;      // If positions 14-15 are 0,
+   m = (y >> 16) & 2;   // add 2 to n and shift x left 2.
+   n = n + m;
+   x = x << m;
+
+   y = x >> 14;         // Set y = 0, 1, 2, or 3.
+   m = y & ~(y >> 1);   // Set m = 0, 1, 2, or 2 resp.
+   return unsigned(n + 2 - m);
+}
+
+#endif//(GLM_COMPILER)
+
 }//namespace glm
diff --git a/glm/gtx/noise.hpp b/glm/gtx/noise.hpp
index 48ecac01..c417eb65 100644
--- a/glm/gtx/noise.hpp
+++ b/glm/gtx/noise.hpp
@@ -44,6 +44,7 @@
 
 // Dependency:
 #include "../glm.hpp"
+#include "../gtc/noise.hpp"
 
 #if(defined(GLM_MESSAGES) && !defined(glm_ext))
 #	pragma message("GLM: GLM_GTX_noise extension included")
@@ -54,25 +55,6 @@ namespace glm
 	/// @addtogroup gtx_noise
 	/// @{
 
-	//! Classic perlin noise.
-	//! From GLM_GTX_noise extension.
-	template <typename T, template<typename> class vecType> 
-    T perlin(
-		vecType<T> const & p);
-		
-	//! Periodic perlin noise.
-	//! From GLM_GTX_noise extension.
-	template <typename T, template<typename> class vecType> 
-    T perlin(
-		vecType<T> const & p, 
-		vecType<T> const & rep);
-
-	//! Simplex noise.
-	//! From GLM_GTX_noise extension.
-	template <typename T, template<typename> class vecType> 
-    T simplex(
-		vecType<T> const & p);
-
 	/// @}
 }//namespace glm
 
diff --git a/glm/gtx/noise.inl b/glm/gtx/noise.inl
index 938a0ef8..389e4800 100644
--- a/glm/gtx/noise.inl
+++ b/glm/gtx/noise.inl
@@ -17,836 +17,4 @@
 
 namespace glm{
 
-template <typename T>
-GLM_FUNC_QUALIFIER T mod289(T const & x)
-{
-	return x - floor(x * T(1.0 / 289.0)) * T(289.0);
-}
-
-template <typename T>
-GLM_FUNC_QUALIFIER T permute(T const & x)
-{
-	return mod289(((x * T(34)) + T(1)) * x);
-}
-
-template <typename T, template<typename> class vecType>
-GLM_FUNC_QUALIFIER vecType<T> permute(vecType<T> const & x)
-{
-	return mod289(((x * T(34)) + T(1)) * x);
-}
-  
-template <typename T>
-GLM_FUNC_QUALIFIER T taylorInvSqrt(T const & r)
-{
-	return T(1.79284291400159) - T(0.85373472095314) * r;
-}
-
-template <typename T, template<typename> class vecType>
-GLM_FUNC_QUALIFIER vecType<T> taylorInvSqrt(vecType<T> const & r)
-{
-	return T(1.79284291400159) - T(0.85373472095314) * r;
-}
-
-template <typename T, template <typename> class vecType> 
-GLM_FUNC_QUALIFIER vecType<T> fade(vecType<T> const & t) 
-{
-	return t * t * t * (t * (t * T(6) - T(15)) + T(10));
-}
-
-template <typename T>
-GLM_FUNC_QUALIFIER detail::tvec4<T> grad4(T const & j, detail::tvec4<T> const & ip)
-{
-	detail::tvec3<T> pXYZ = floor(fract(detail::tvec3<T>(j) * detail::tvec3<T>(ip)) * T(7)) * ip[2] - T(1);
-	T pW = T(1.5) - dot(abs(pXYZ), detail::tvec3<T>(1));
-	detail::tvec4<T> s = detail::tvec4<T>(lessThan(detail::tvec4<T>(pXYZ, pW), detail::tvec4<T>(0.0)));
-	pXYZ = pXYZ + (detail::tvec3<T>(s) * T(2) - T(1)) * s.w; 
-	return detail::tvec4<T>(pXYZ, pW);
-}
-
-// Classic Perlin noise
-template <typename T>
-GLM_FUNC_QUALIFIER T perlin(detail::tvec2<T> const & P)
-{
-	detail::tvec4<T> Pi = glm::floor(detail::tvec4<T>(P.x, P.y, P.x, P.y)) + detail::tvec4<T>(0.0, 0.0, 1.0, 1.0);
-	detail::tvec4<T> Pf = glm::fract(detail::tvec4<T>(P.x, P.y, P.x, P.y)) - detail::tvec4<T>(0.0, 0.0, 1.0, 1.0);
-	Pi = mod(Pi, T(289)); // To avoid truncation effects in permutation
-	detail::tvec4<T> ix(Pi.x, Pi.z, Pi.x, Pi.z);
-	detail::tvec4<T> iy(Pi.y, Pi.y, Pi.w, Pi.w);
-	detail::tvec4<T> fx(Pf.x, Pf.z, Pf.x, Pf.z);
-	detail::tvec4<T> fy(Pf.y, Pf.y, Pf.w, Pf.w);
-
-	detail::tvec4<T> i = glm::permute(glm::permute(ix) + iy);
-
-	detail::tvec4<T> gx = T(2) * glm::fract(i / T(41)) - T(1);
-	detail::tvec4<T> gy = glm::abs(gx) - T(0.5);
-	detail::tvec4<T> tx = glm::floor(gx + T(0.5));
-	gx = gx - tx;
-
-	detail::tvec2<T> g00(gx.x, gy.x);
-	detail::tvec2<T> g10(gx.y, gy.y);
-	detail::tvec2<T> g01(gx.z, gy.z);
-	detail::tvec2<T> g11(gx.w, gy.w);
-
-	detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11)));
-	g00 *= norm.x;  
-	g01 *= norm.y;  
-	g10 *= norm.z;  
-	g11 *= norm.w;  
-
-	T n00 = dot(g00, detail::tvec2<T>(fx.x, fy.x));
-	T n10 = dot(g10, detail::tvec2<T>(fx.y, fy.y));
-	T n01 = dot(g01, detail::tvec2<T>(fx.z, fy.z));
-	T n11 = dot(g11, detail::tvec2<T>(fx.w, fy.w));
-
-	detail::tvec2<T> fade_xy = fade(detail::tvec2<T>(Pf.x, Pf.y));
-	detail::tvec2<T> n_x = mix(detail::tvec2<T>(n00, n01), detail::tvec2<T>(n10, n11), fade_xy.x);
-	T n_xy = mix(n_x.x, n_x.y, fade_xy.y);
-	return T(2.3) * n_xy;
-}
-
-// Classic Perlin noise
-template <typename T>
-GLM_FUNC_QUALIFIER T perlin(detail::tvec3<T> const & P)
-{
-	detail::tvec3<T> Pi0 = floor(P); // Integer part for indexing
-	detail::tvec3<T> Pi1 = Pi0 + T(1); // Integer part + 1
-	Pi0 = mod289(Pi0);
-	Pi1 = mod289(Pi1);
-	detail::tvec3<T> Pf0 = fract(P); // Fractional part for interpolation
-	detail::tvec3<T> Pf1 = Pf0 - T(1); // Fractional part - 1.0
-	detail::tvec4<T> ix(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
-	detail::tvec4<T> iy = detail::tvec4<T>(detail::tvec2<T>(Pi0.y), detail::tvec2<T>(Pi1.y));
-	detail::tvec4<T> iz0(Pi0.z);
-	detail::tvec4<T> iz1(Pi1.z);
-
-	detail::tvec4<T> ixy = permute(permute(ix) + iy);
-	detail::tvec4<T> ixy0 = permute(ixy + iz0);
-	detail::tvec4<T> ixy1 = permute(ixy + iz1);
-
-	detail::tvec4<T> gx0 = ixy0 * T(1.0 / 7.0);
-	detail::tvec4<T> gy0 = fract(floor(gx0) * T(1.0 / 7.0)) - T(0.5);
-	gx0 = fract(gx0);
-	detail::tvec4<T> gz0 = detail::tvec4<T>(0.5) - abs(gx0) - abs(gy0);
-	detail::tvec4<T> sz0 = step(gz0, detail::tvec4<T>(0.0));
-	gx0 -= sz0 * (step(T(0), gx0) - T(0.5));
-	gy0 -= sz0 * (step(T(0), gy0) - T(0.5));
-
-	detail::tvec4<T> gx1 = ixy1 * T(1.0 / 7.0);
-	detail::tvec4<T> gy1 = fract(floor(gx1) * T(1.0 / 7.0)) - T(0.5);
-	gx1 = fract(gx1);
-	detail::tvec4<T> gz1 = detail::tvec4<T>(0.5) - abs(gx1) - abs(gy1);
-	detail::tvec4<T> sz1 = step(gz1, detail::tvec4<T>(0.0));
-	gx1 -= sz1 * (step(T(0), gx1) - T(0.5));
-	gy1 -= sz1 * (step(T(0), gy1) - T(0.5));
-
-	detail::tvec3<T> g000(gx0.x, gy0.x, gz0.x);
-	detail::tvec3<T> g100(gx0.y, gy0.y, gz0.y);
-	detail::tvec3<T> g010(gx0.z, gy0.z, gz0.z);
-	detail::tvec3<T> g110(gx0.w, gy0.w, gz0.w);
-	detail::tvec3<T> g001(gx1.x, gy1.x, gz1.x);
-	detail::tvec3<T> g101(gx1.y, gy1.y, gz1.y);
-	detail::tvec3<T> g011(gx1.z, gy1.z, gz1.z);
-	detail::tvec3<T> g111(gx1.w, gy1.w, gz1.w);
-
-	detail::tvec4<T> norm0 = taylorInvSqrt(detail::tvec4<T>(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
-	g000 *= norm0.x;
-	g010 *= norm0.y;
-	g100 *= norm0.z;
-	g110 *= norm0.w;
-	detail::tvec4<T> norm1 = taylorInvSqrt(detail::tvec4<T>(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
-	g001 *= norm1.x;
-	g011 *= norm1.y;
-	g101 *= norm1.z;
-	g111 *= norm1.w;
-
-	T n000 = dot(g000, Pf0);
-	T n100 = dot(g100, detail::tvec3<T>(Pf1.x, Pf0.y, Pf0.z));
-	T n010 = dot(g010, detail::tvec3<T>(Pf0.x, Pf1.y, Pf0.z));
-	T n110 = dot(g110, detail::tvec3<T>(Pf1.x, Pf1.y, Pf0.z));
-	T n001 = dot(g001, detail::tvec3<T>(Pf0.x, Pf0.y, Pf1.z));
-	T n101 = dot(g101, detail::tvec3<T>(Pf1.x, Pf0.y, Pf1.z));
-	T n011 = dot(g011, detail::tvec3<T>(Pf0.x, Pf1.y, Pf1.z));
-	T n111 = dot(g111, Pf1);
-
-	detail::tvec3<T> fade_xyz = fade(Pf0);
-	detail::tvec4<T> n_z = mix(detail::tvec4<T>(n000, n100, n010, n110), detail::tvec4<T>(n001, n101, n011, n111), fade_xyz.z);
-	detail::tvec2<T> n_yz = mix(detail::tvec2<T>(n_z.x, n_z.y), detail::tvec2<T>(n_z.z, n_z.w), fade_xyz.y);
-	T n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); 
-	return T(2.2) * n_xyz;
-}
-/*
-// Classic Perlin noise
-template <typename T>
-GLM_FUNC_QUALIFIER T perlin(detail::tvec3<T> const & P)
-{
-	detail::tvec3<T> Pi0 = floor(P); // Integer part for indexing
-	detail::tvec3<T> Pi1 = Pi0 + T(1); // Integer part + 1
-	Pi0 = mod(Pi0, T(289));
-	Pi1 = mod(Pi1, T(289));
-	detail::tvec3<T> Pf0 = fract(P); // Fractional part for interpolation
-	detail::tvec3<T> Pf1 = Pf0 - T(1); // Fractional part - 1.0
-	detail::tvec4<T> ix(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
-	detail::tvec4<T> iy(Pi0.y, Pi0.y, Pi1.y, Pi1.y);
-	detail::tvec4<T> iz0(Pi0.z);
-	detail::tvec4<T> iz1(Pi1.z);
-
-	detail::tvec4<T> ixy = permute(permute(ix) + iy);
-	detail::tvec4<T> ixy0 = permute(ixy + iz0);
-	detail::tvec4<T> ixy1 = permute(ixy + iz1);
-
-	detail::tvec4<T> gx0 = ixy0 / T(7);
-	detail::tvec4<T> gy0 = fract(floor(gx0) / T(7)) - T(0.5);
-	gx0 = fract(gx0);
-	detail::tvec4<T> gz0 = detail::tvec4<T>(0.5) - abs(gx0) - abs(gy0);
-	detail::tvec4<T> sz0 = step(gz0, detail::tvec4<T>(0.0));
-	gx0 -= sz0 * (step(0.0, gx0) - T(0.5));
-	gy0 -= sz0 * (step(0.0, gy0) - T(0.5));
-
-	detail::tvec4<T> gx1 = ixy1 / T(7);
-	detail::tvec4<T> gy1 = fract(floor(gx1) / T(7)) - T(0.5);
-	gx1 = fract(gx1);
-	detail::tvec4<T> gz1 = detail::tvec4<T>(0.5) - abs(gx1) - abs(gy1);
-	detail::tvec4<T> sz1 = step(gz1, detail::tvec4<T>(0.0));
-	gx1 -= sz1 * (step(T(0), gx1) - T(0.5));
-	gy1 -= sz1 * (step(T(0), gy1) - T(0.5));
-
-	detail::tvec3<T> g000(gx0.x, gy0.x, gz0.x);
-	detail::tvec3<T> g100(gx0.y, gy0.y, gz0.y);
-	detail::tvec3<T> g010(gx0.z, gy0.z, gz0.z);
-	detail::tvec3<T> g110(gx0.w, gy0.w, gz0.w);
-	detail::tvec3<T> g001(gx1.x, gy1.x, gz1.x);
-	detail::tvec3<T> g101(gx1.y, gy1.y, gz1.y);
-	detail::tvec3<T> g011(gx1.z, gy1.z, gz1.z);
-	detail::tvec3<T> g111(gx1.w, gy1.w, gz1.w);
-
-	detail::tvec4<T> norm0 = taylorInvSqrt(detail::tvec4<T>(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
-	g000 *= norm0.x;
-	g010 *= norm0.y;
-	g100 *= norm0.z;
-	g110 *= norm0.w;
-	detail::tvec4<T> norm1 = taylorInvSqrt(detail::tvec4<T>(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
-	g001 *= norm1.x;
-	g011 *= norm1.y;
-	g101 *= norm1.z;
-	g111 *= norm1.w;
-
-	T n000 = dot(g000, Pf0);
-	T n100 = dot(g100, detail::tvec3<T>(Pf1.x, Pf0.y, Pf0.z));
-	T n010 = dot(g010, detail::tvec3<T>(Pf0.x, Pf1.y, Pf0.z));
-	T n110 = dot(g110, detail::tvec3<T>(Pf1.x, Pf1.y, Pf0.z));
-	T n001 = dot(g001, detail::tvec3<T>(Pf0.x, Pf0.y, Pf1.z));
-	T n101 = dot(g101, detail::tvec3<T>(Pf1.x, Pf0.y, Pf1.z));
-	T n011 = dot(g011, detail::tvec3<T>(Pf0.x, Pf1.y, Pf1.z));
-	T n111 = dot(g111, Pf1);
-
-	detail::tvec3<T> fade_xyz = fade(Pf0);
-	detail::tvec4<T> n_z = mix(detail::tvec4<T>(n000, n100, n010, n110), detail::tvec4<T>(n001, n101, n011, n111), fade_xyz.z);
-	detail::tvec2<T> n_yz = mix(
-        detail::tvec2<T>(n_z.x, n_z.y), 
-        detail::tvec2<T>(n_z.z, n_z.w), fade_xyz.y);
-	T n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); 
-	return T(2.2) * n_xyz;
-}
-*/
-// Classic Perlin noise
-template <typename T>
-GLM_FUNC_QUALIFIER T perlin(detail::tvec4<T> const & P)
-{
-	detail::tvec4<T> Pi0 = floor(P); // Integer part for indexing
-	detail::tvec4<T> Pi1 = Pi0 + T(1); // Integer part + 1
-	Pi0 = mod(Pi0, T(289));
-	Pi1 = mod(Pi1, T(289));
-	detail::tvec4<T> Pf0 = fract(P); // Fractional part for interpolation
-	detail::tvec4<T> Pf1 = Pf0 - T(1); // Fractional part - 1.0
-	detail::tvec4<T> ix(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
-	detail::tvec4<T> iy(Pi0.y, Pi0.y, Pi1.y, Pi1.y);
-	detail::tvec4<T> iz0(Pi0.z);
-	detail::tvec4<T> iz1(Pi1.z);
-	detail::tvec4<T> iw0(Pi0.w);
-	detail::tvec4<T> iw1(Pi1.w);
-
-	detail::tvec4<T> ixy = permute(permute(ix) + iy);
-	detail::tvec4<T> ixy0 = permute(ixy + iz0);
-	detail::tvec4<T> ixy1 = permute(ixy + iz1);
-	detail::tvec4<T> ixy00 = permute(ixy0 + iw0);
-	detail::tvec4<T> ixy01 = permute(ixy0 + iw1);
-	detail::tvec4<T> ixy10 = permute(ixy1 + iw0);
-	detail::tvec4<T> ixy11 = permute(ixy1 + iw1);
-
-	detail::tvec4<T> gx00 = ixy00 / T(7);
-	detail::tvec4<T> gy00 = floor(gx00) / T(7);
-	detail::tvec4<T> gz00 = floor(gy00) / T(6);
-	gx00 = fract(gx00) - T(0.5);
-	gy00 = fract(gy00) - T(0.5);
-	gz00 = fract(gz00) - T(0.5);
-	detail::tvec4<T> gw00 = detail::tvec4<T>(0.75) - abs(gx00) - abs(gy00) - abs(gz00);
-	detail::tvec4<T> sw00 = step(gw00, detail::tvec4<T>(0.0));
-	gx00 -= sw00 * (step(T(0), gx00) - T(0.5));
-	gy00 -= sw00 * (step(T(0), gy00) - T(0.5));
-
-	detail::tvec4<T> gx01 = ixy01 / T(7);
-	detail::tvec4<T> gy01 = floor(gx01) / T(7);
-	detail::tvec4<T> gz01 = floor(gy01) / T(6);
-	gx01 = fract(gx01) - T(0.5);
-	gy01 = fract(gy01) - T(0.5);
-	gz01 = fract(gz01) - T(0.5);
-	detail::tvec4<T> gw01 = detail::tvec4<T>(0.75) - abs(gx01) - abs(gy01) - abs(gz01);
-	detail::tvec4<T> sw01 = step(gw01, detail::tvec4<T>(0.0));
-	gx01 -= sw01 * (step(T(0), gx01) - T(0.5));
-	gy01 -= sw01 * (step(T(0), gy01) - T(0.5));
-
-	detail::tvec4<T> gx10 = ixy10 / T(7);
-	detail::tvec4<T> gy10 = floor(gx10) / T(7);
-	detail::tvec4<T> gz10 = floor(gy10) / T(6);
-	gx10 = fract(gx10) - T(0.5);
-	gy10 = fract(gy10) - T(0.5);
-	gz10 = fract(gz10) - T(0.5);
-	detail::tvec4<T> gw10 = detail::tvec4<T>(0.75) - abs(gx10) - abs(gy10) - abs(gz10);
-	detail::tvec4<T> sw10 = step(gw10, detail::tvec4<T>(0));
-	gx10 -= sw10 * (step(T(0), gx10) - T(0.5));
-	gy10 -= sw10 * (step(T(0), gy10) - T(0.5));
-
-	detail::tvec4<T> gx11 = ixy11 / T(7);
-	detail::tvec4<T> gy11 = floor(gx11) / T(7);
-	detail::tvec4<T> gz11 = floor(gy11) / T(6);
-	gx11 = fract(gx11) - T(0.5);
-	gy11 = fract(gy11) - T(0.5);
-	gz11 = fract(gz11) - T(0.5);
-	detail::tvec4<T> gw11 = detail::tvec4<T>(0.75) - abs(gx11) - abs(gy11) - abs(gz11);
-	detail::tvec4<T> sw11 = step(gw11, detail::tvec4<T>(0.0));
-	gx11 -= sw11 * (step(T(0), gx11) - T(0.5));
-	gy11 -= sw11 * (step(T(0), gy11) - T(0.5));
-
-	detail::tvec4<T> g0000(gx00.x, gy00.x, gz00.x, gw00.x);
-	detail::tvec4<T> g1000(gx00.y, gy00.y, gz00.y, gw00.y);
-	detail::tvec4<T> g0100(gx00.z, gy00.z, gz00.z, gw00.z);
-	detail::tvec4<T> g1100(gx00.w, gy00.w, gz00.w, gw00.w);
-	detail::tvec4<T> g0010(gx10.x, gy10.x, gz10.x, gw10.x);
-	detail::tvec4<T> g1010(gx10.y, gy10.y, gz10.y, gw10.y);
-	detail::tvec4<T> g0110(gx10.z, gy10.z, gz10.z, gw10.z);
-	detail::tvec4<T> g1110(gx10.w, gy10.w, gz10.w, gw10.w);
-	detail::tvec4<T> g0001(gx01.x, gy01.x, gz01.x, gw01.x);
-	detail::tvec4<T> g1001(gx01.y, gy01.y, gz01.y, gw01.y);
-	detail::tvec4<T> g0101(gx01.z, gy01.z, gz01.z, gw01.z);
-	detail::tvec4<T> g1101(gx01.w, gy01.w, gz01.w, gw01.w);
-	detail::tvec4<T> g0011(gx11.x, gy11.x, gz11.x, gw11.x);
-	detail::tvec4<T> g1011(gx11.y, gy11.y, gz11.y, gw11.y);
-	detail::tvec4<T> g0111(gx11.z, gy11.z, gz11.z, gw11.z);
-	detail::tvec4<T> g1111(gx11.w, gy11.w, gz11.w, gw11.w);
-
-	detail::tvec4<T> norm00 = taylorInvSqrt(detail::tvec4<T>(dot(g0000, g0000), dot(g0100, g0100), dot(g1000, g1000), dot(g1100, g1100)));
-	g0000 *= norm00.x;
-	g0100 *= norm00.y;
-	g1000 *= norm00.z;
-	g1100 *= norm00.w;
-
-	detail::tvec4<T> norm01 = taylorInvSqrt(detail::tvec4<T>(dot(g0001, g0001), dot(g0101, g0101), dot(g1001, g1001), dot(g1101, g1101)));
-	g0001 *= norm01.x;
-	g0101 *= norm01.y;
-	g1001 *= norm01.z;
-	g1101 *= norm01.w;
-
-	detail::tvec4<T> norm10 = taylorInvSqrt(detail::tvec4<T>(dot(g0010, g0010), dot(g0110, g0110), dot(g1010, g1010), dot(g1110, g1110)));
-	g0010 *= norm10.x;
-	g0110 *= norm10.y;
-	g1010 *= norm10.z;
-	g1110 *= norm10.w;
-
-	detail::tvec4<T> norm11 = taylorInvSqrt(detail::tvec4<T>(dot(g0011, g0011), dot(g0111, g0111), dot(g1011, g1011), dot(g1111, g1111)));
-	g0011 *= norm11.x;
-	g0111 *= norm11.y;
-	g1011 *= norm11.z;
-	g1111 *= norm11.w;
-
-	T n0000 = dot(g0000, Pf0);
-	T n1000 = dot(g1000, detail::tvec4<T>(Pf1.x, Pf0.y, Pf0.z, Pf0.w));
-	T n0100 = dot(g0100, detail::tvec4<T>(Pf0.x, Pf1.y, Pf0.z, Pf0.w));
-	T n1100 = dot(g1100, detail::tvec4<T>(Pf1.x, Pf1.y, Pf0.z, Pf0.w));
-	T n0010 = dot(g0010, detail::tvec4<T>(Pf0.x, Pf0.y, Pf1.z, Pf0.w));
-	T n1010 = dot(g1010, detail::tvec4<T>(Pf1.x, Pf0.y, Pf1.z, Pf0.w));
-	T n0110 = dot(g0110, detail::tvec4<T>(Pf0.x, Pf1.y, Pf1.z, Pf0.w));
-	T n1110 = dot(g1110, detail::tvec4<T>(Pf1.x, Pf1.y, Pf1.z, Pf0.w));
-	T n0001 = dot(g0001, detail::tvec4<T>(Pf0.x, Pf0.y, Pf0.z, Pf1.w));
-	T n1001 = dot(g1001, detail::tvec4<T>(Pf1.x, Pf0.y, Pf0.z, Pf1.w));
-	T n0101 = dot(g0101, detail::tvec4<T>(Pf0.x, Pf1.y, Pf0.z, Pf1.w));
-	T n1101 = dot(g1101, detail::tvec4<T>(Pf1.x, Pf1.y, Pf0.z, Pf1.w));
-	T n0011 = dot(g0011, detail::tvec4<T>(Pf0.x, Pf0.y, Pf1.z, Pf1.w));
-	T n1011 = dot(g1011, detail::tvec4<T>(Pf1.x, Pf0.y, Pf1.z, Pf1.w));
-	T n0111 = dot(g0111, detail::tvec4<T>(Pf0.x, Pf1.y, Pf1.z, Pf1.w));
-	T n1111 = dot(g1111, Pf1);
-
-	detail::tvec4<T> fade_xyzw = fade(Pf0);
-	detail::tvec4<T> n_0w = mix(detail::tvec4<T>(n0000, n1000, n0100, n1100), detail::tvec4<T>(n0001, n1001, n0101, n1101), fade_xyzw.w);
-	detail::tvec4<T> n_1w = mix(detail::tvec4<T>(n0010, n1010, n0110, n1110), detail::tvec4<T>(n0011, n1011, n0111, n1111), fade_xyzw.w);
-	detail::tvec4<T> n_zw = mix(n_0w, n_1w, fade_xyzw.z);
-	detail::tvec2<T> n_yzw = mix(detail::tvec2<T>(n_zw.x, n_zw.y), detail::tvec2<T>(n_zw.z, n_zw.w), fade_xyzw.y);
-	T n_xyzw = mix(n_yzw.x, n_yzw.y, fade_xyzw.x);
-	return T(2.2) * n_xyzw;
-}
-
-// Classic Perlin noise, periodic variant
-template <typename T>
-GLM_FUNC_QUALIFIER T perlin(detail::tvec2<T> const & P, detail::tvec2<T> const & rep)
-{
-	detail::tvec4<T> Pi = floor(detail::tvec4<T>(P.x, P.y, P.x, P.y)) + detail::tvec4<T>(0.0, 0.0, 1.0, 1.0);
-	detail::tvec4<T> Pf = fract(detail::tvec4<T>(P.x, P.y, P.x, P.y)) - detail::tvec4<T>(0.0, 0.0, 1.0, 1.0);
-	Pi = mod(Pi, detail::tvec4<T>(rep.x, rep.y, rep.x, rep.y)); // To create noise with explicit period
-	Pi = mod(Pi, T(289)); // To avoid truncation effects in permutation
-	detail::tvec4<T> ix(Pi.x, Pi.z, Pi.x, Pi.z);
-	detail::tvec4<T> iy(Pi.y, Pi.y, Pi.w, Pi.w);
-	detail::tvec4<T> fx(Pf.x, Pf.z, Pf.x, Pf.z);
-	detail::tvec4<T> fy(Pf.y, Pf.y, Pf.w, Pf.w);
-
-	detail::tvec4<T> i = permute(permute(ix) + iy);
-
-	detail::tvec4<T> gx = T(2) * fract(i / T(41)) - T(1);
-	detail::tvec4<T> gy = abs(gx) - T(0.5);
-	detail::tvec4<T> tx = floor(gx + T(0.5));
-	gx = gx - tx;
-
-	detail::tvec2<T> g00(gx.x, gy.x);
-	detail::tvec2<T> g10(gx.y, gy.y);
-	detail::tvec2<T> g01(gx.z, gy.z);
-	detail::tvec2<T> g11(gx.w, gy.w);
-
-	detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11)));
-	g00 *= norm.x;  
-	g01 *= norm.y;  
-	g10 *= norm.z;  
-	g11 *= norm.w;  
-
-	T n00 = dot(g00, detail::tvec2<T>(fx.x, fy.x));
-	T n10 = dot(g10, detail::tvec2<T>(fx.y, fy.y));
-	T n01 = dot(g01, detail::tvec2<T>(fx.z, fy.z));
-	T n11 = dot(g11, detail::tvec2<T>(fx.w, fy.w));
-
-	detail::tvec2<T> fade_xy = fade(detail::tvec2<T>(Pf.x, Pf.y));
-	detail::tvec2<T> n_x = mix(detail::tvec2<T>(n00, n01), detail::tvec2<T>(n10, n11), fade_xy.x);
-	T n_xy = mix(n_x.x, n_x.y, fade_xy.y);
-	return T(2.3) * n_xy;
-}
-
-// Classic Perlin noise, periodic variant
-template <typename T>
-GLM_FUNC_QUALIFIER T perlin(detail::tvec3<T> const & P, detail::tvec3<T> const & rep)
-{
-	detail::tvec3<T> Pi0 = mod(floor(P), rep); // Integer part, modulo period
-	detail::tvec3<T> Pi1 = mod(Pi0 + detail::tvec3<T>(1.0), rep); // Integer part + 1, mod period
-	Pi0 = mod(Pi0, T(289));
-	Pi1 = mod(Pi1, T(289));
-	detail::tvec3<T> Pf0 = fract(P); // Fractional part for interpolation
-	detail::tvec3<T> Pf1 = Pf0 - detail::tvec3<T>(1.0); // Fractional part - 1.0
-	detail::tvec4<T> ix = detail::tvec4<T>(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
-	detail::tvec4<T> iy = detail::tvec4<T>(Pi0.y, Pi0.y, Pi1.y, Pi1.y);
-	detail::tvec4<T> iz0(Pi0.z);
-	detail::tvec4<T> iz1(Pi1.z);
-
-	detail::tvec4<T> ixy = permute(permute(ix) + iy);
-	detail::tvec4<T> ixy0 = permute(ixy + iz0);
-	detail::tvec4<T> ixy1 = permute(ixy + iz1);
-
-	detail::tvec4<T> gx0 = ixy0 / T(7);
-	detail::tvec4<T> gy0 = fract(floor(gx0) / T(7)) - T(0.5);
-	gx0 = fract(gx0);
-	detail::tvec4<T> gz0 = detail::tvec4<T>(0.5) - abs(gx0) - abs(gy0);
-	detail::tvec4<T> sz0 = step(gz0, detail::tvec4<T>(0));
-	gx0 -= sz0 * (step(0.0, gx0) - T(0.5));
-	gy0 -= sz0 * (step(0.0, gy0) - T(0.5));
-
-	detail::tvec4<T> gx1 = ixy1 / T(7);
-	detail::tvec4<T> gy1 = fract(floor(gx1) / T(7)) - T(0.5);
-	gx1 = fract(gx1);
-	detail::tvec4<T> gz1 = detail::tvec4<T>(0.5) - abs(gx1) - abs(gy1);
-	detail::tvec4<T> sz1 = step(gz1, detail::tvec4<T>(0.0));
-	gx1 -= sz1 * (step(0.0, gx1) - T(0.5));
-	gy1 -= sz1 * (step(0.0, gy1) - T(0.5));
-
-	detail::tvec3<T> g000 = detail::tvec3<T>(gx0.x, gy0.x, gz0.x);
-	detail::tvec3<T> g100 = detail::tvec3<T>(gx0.y, gy0.y, gz0.y);
-	detail::tvec3<T> g010 = detail::tvec3<T>(gx0.z, gy0.z, gz0.z);
-	detail::tvec3<T> g110 = detail::tvec3<T>(gx0.w, gy0.w, gz0.w);
-	detail::tvec3<T> g001 = detail::tvec3<T>(gx1.x, gy1.x, gz1.x);
-	detail::tvec3<T> g101 = detail::tvec3<T>(gx1.y, gy1.y, gz1.y);
-	detail::tvec3<T> g011 = detail::tvec3<T>(gx1.z, gy1.z, gz1.z);
-	detail::tvec3<T> g111 = detail::tvec3<T>(gx1.w, gy1.w, gz1.w);
-
-	detail::tvec4<T> norm0 = taylorInvSqrt(detail::tvec4<T>(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
-	g000 *= norm0.x;
-	g010 *= norm0.y;
-	g100 *= norm0.z;
-	g110 *= norm0.w;
-	detail::tvec4<T> norm1 = taylorInvSqrt(detail::tvec4<T>(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
-	g001 *= norm1.x;
-	g011 *= norm1.y;
-	g101 *= norm1.z;
-	g111 *= norm1.w;
-
-	T n000 = dot(g000, Pf0);
-	T n100 = dot(g100, detail::tvec3<T>(Pf1.x, Pf0.y, Pf0.z));
-	T n010 = dot(g010, detail::tvec3<T>(Pf0.x, Pf1.y, Pf0.z));
-	T n110 = dot(g110, detail::tvec3<T>(Pf1.x, Pf1.y, Pf0.z));
-	T n001 = dot(g001, detail::tvec3<T>(Pf0.x, Pf0.y, Pf1.z));
-	T n101 = dot(g101, detail::tvec3<T>(Pf1.x, Pf0.y, Pf1.z));
-	T n011 = dot(g011, detail::tvec3<T>(Pf0.x, Pf1.y, Pf1.z));
-	T n111 = dot(g111, Pf1);
-
-	detail::tvec3<T> fade_xyz = fade(Pf0);
-	detail::tvec4<T> n_z = mix(detail::tvec4<T>(n000, n100, n010, n110), detail::tvec4<T>(n001, n101, n011, n111), fade_xyz.z);
-	detail::tvec2<T> n_yz = mix(detail::tvec2<T>(n_z.x, n_z.y), detail::tvec2<T>(n_z.z, n_z.w), fade_xyz.y);
-	T n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); 
-	return T(2.2) * n_xyz;
-}
-
-// Classic Perlin noise, periodic version
-template <typename T>
-GLM_FUNC_QUALIFIER T perlin(detail::tvec4<T> const & P, detail::tvec4<T> const & rep)
-{
-	detail::tvec4<T> Pi0 = mod(floor(P), rep); // Integer part modulo rep
-	detail::tvec4<T> Pi1 = mod(Pi0 + T(1), rep); // Integer part + 1 mod rep
-	detail::tvec4<T> Pf0 = fract(P); // Fractional part for interpolation
-	detail::tvec4<T> Pf1 = Pf0 - T(1); // Fractional part - 1.0
-	detail::tvec4<T> ix = detail::tvec4<T>(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
-	detail::tvec4<T> iy = detail::tvec4<T>(Pi0.y, Pi0.y, Pi1.y, Pi1.y);
-	detail::tvec4<T> iz0(Pi0.z);
-	detail::tvec4<T> iz1(Pi1.z);
-	detail::tvec4<T> iw0(Pi0.w);
-	detail::tvec4<T> iw1(Pi1.w);
-
-	detail::tvec4<T> ixy = permute(permute(ix) + iy);
-	detail::tvec4<T> ixy0 = permute(ixy + iz0);
-	detail::tvec4<T> ixy1 = permute(ixy + iz1);
-	detail::tvec4<T> ixy00 = permute(ixy0 + iw0);
-	detail::tvec4<T> ixy01 = permute(ixy0 + iw1);
-	detail::tvec4<T> ixy10 = permute(ixy1 + iw0);
-	detail::tvec4<T> ixy11 = permute(ixy1 + iw1);
-
-	detail::tvec4<T> gx00 = ixy00 / T(7);
-	detail::tvec4<T> gy00 = floor(gx00) / T(7);
-	detail::tvec4<T> gz00 = floor(gy00) / T(6);
-	gx00 = fract(gx00) - T(0.5);
-	gy00 = fract(gy00) - T(0.5);
-	gz00 = fract(gz00) - T(0.5);
-	detail::tvec4<T> gw00 = detail::tvec4<T>(0.75) - abs(gx00) - abs(gy00) - abs(gz00);
-	detail::tvec4<T> sw00 = step(gw00, detail::tvec4<T>(0));
-	gx00 -= sw00 * (step(0.0, gx00) - T(0.5));
-	gy00 -= sw00 * (step(0.0, gy00) - T(0.5));
-
-	detail::tvec4<T> gx01 = ixy01 / T(7);
-	detail::tvec4<T> gy01 = floor(gx01) / T(7);
-	detail::tvec4<T> gz01 = floor(gy01) / T(6);
-	gx01 = fract(gx01) - T(0.5);
-	gy01 = fract(gy01) - T(0.5);
-	gz01 = fract(gz01) - T(0.5);
-	detail::tvec4<T> gw01 = detail::tvec4<T>(0.75) - abs(gx01) - abs(gy01) - abs(gz01);
-	detail::tvec4<T> sw01 = step(gw01, detail::tvec4<T>(0.0));
-	gx01 -= sw01 * (step(0.0, gx01) - T(0.5));
-	gy01 -= sw01 * (step(0.0, gy01) - T(0.5));
-
-	detail::tvec4<T> gx10 = ixy10 / T(7);
-	detail::tvec4<T> gy10 = floor(gx10) / T(7);
-	detail::tvec4<T> gz10 = floor(gy10) / T(6);
-	gx10 = fract(gx10) - T(0.5);
-	gy10 = fract(gy10) - T(0.5);
-	gz10 = fract(gz10) - T(0.5);
-	detail::tvec4<T> gw10 = detail::tvec4<T>(0.75) - abs(gx10) - abs(gy10) - abs(gz10);
-	detail::tvec4<T> sw10 = step(gw10, detail::tvec4<T>(0.0));
-	gx10 -= sw10 * (step(0.0, gx10) - T(0.5));
-	gy10 -= sw10 * (step(0.0, gy10) - T(0.5));
-
-	detail::tvec4<T> gx11 = ixy11 / T(7);
-	detail::tvec4<T> gy11 = floor(gx11) / T(7);
-	detail::tvec4<T> gz11 = floor(gy11) / T(6);
-	gx11 = fract(gx11) - T(0.5);
-	gy11 = fract(gy11) - T(0.5);
-	gz11 = fract(gz11) - T(0.5);
-	detail::tvec4<T> gw11 = detail::tvec4<T>(0.75) - abs(gx11) - abs(gy11) - abs(gz11);
-	detail::tvec4<T> sw11 = step(gw11, detail::tvec4<T>(0.0));
-	gx11 -= sw11 * (step(0.0, gx11) - T(0.5));
-	gy11 -= sw11 * (step(0.0, gy11) - T(0.5));
-
-	detail::tvec4<T> g0000(gx00.x, gy00.x, gz00.x, gw00.x);
-	detail::tvec4<T> g1000(gx00.y, gy00.y, gz00.y, gw00.y);
-	detail::tvec4<T> g0100(gx00.z, gy00.z, gz00.z, gw00.z);
-	detail::tvec4<T> g1100(gx00.w, gy00.w, gz00.w, gw00.w);
-	detail::tvec4<T> g0010(gx10.x, gy10.x, gz10.x, gw10.x);
-	detail::tvec4<T> g1010(gx10.y, gy10.y, gz10.y, gw10.y);
-	detail::tvec4<T> g0110(gx10.z, gy10.z, gz10.z, gw10.z);
-	detail::tvec4<T> g1110(gx10.w, gy10.w, gz10.w, gw10.w);
-	detail::tvec4<T> g0001(gx01.x, gy01.x, gz01.x, gw01.x);
-	detail::tvec4<T> g1001(gx01.y, gy01.y, gz01.y, gw01.y);
-	detail::tvec4<T> g0101(gx01.z, gy01.z, gz01.z, gw01.z);
-	detail::tvec4<T> g1101(gx01.w, gy01.w, gz01.w, gw01.w);
-	detail::tvec4<T> g0011(gx11.x, gy11.x, gz11.x, gw11.x);
-	detail::tvec4<T> g1011(gx11.y, gy11.y, gz11.y, gw11.y);
-	detail::tvec4<T> g0111(gx11.z, gy11.z, gz11.z, gw11.z);
-	detail::tvec4<T> g1111(gx11.w, gy11.w, gz11.w, gw11.w);
-
-	detail::tvec4<T> norm00 = taylorInvSqrt(detail::tvec4<T>(dot(g0000, g0000), dot(g0100, g0100), dot(g1000, g1000), dot(g1100, g1100)));
-	g0000 *= norm00.x;
-	g0100 *= norm00.y;
-	g1000 *= norm00.z;
-	g1100 *= norm00.w;
-
-	detail::tvec4<T> norm01 = taylorInvSqrt(detail::tvec4<T>(dot(g0001, g0001), dot(g0101, g0101), dot(g1001, g1001), dot(g1101, g1101)));
-	g0001 *= norm01.x;
-	g0101 *= norm01.y;
-	g1001 *= norm01.z;
-	g1101 *= norm01.w;
-
-	detail::tvec4<T> norm10 = taylorInvSqrt(detail::tvec4<T>(dot(g0010, g0010), dot(g0110, g0110), dot(g1010, g1010), dot(g1110, g1110)));
-	g0010 *= norm10.x;
-	g0110 *= norm10.y;
-	g1010 *= norm10.z;
-	g1110 *= norm10.w;
-
-	detail::tvec4<T> norm11 = taylorInvSqrt(detail::tvec4<T>(dot(g0011, g0011), dot(g0111, g0111), dot(g1011, g1011), dot(g1111, g1111)));
-	g0011 *= norm11.x;
-	g0111 *= norm11.y;
-	g1011 *= norm11.z;
-	g1111 *= norm11.w;
-
-	T n0000 = dot(g0000, Pf0);
-	T n1000 = dot(g1000, detail::tvec4<T>(Pf1.x, Pf0.y, Pf0.z, Pf0.w));
-	T n0100 = dot(g0100, detail::tvec4<T>(Pf0.x, Pf1.y, Pf0.z, Pf0.w));
-	T n1100 = dot(g1100, detail::tvec4<T>(Pf1.x, Pf1.y, Pf0.z, Pf0.w));
-	T n0010 = dot(g0010, detail::tvec4<T>(Pf0.x, Pf0.y, Pf1.z, Pf0.w));
-	T n1010 = dot(g1010, detail::tvec4<T>(Pf1.x, Pf0.y, Pf1.z, Pf0.w));
-	T n0110 = dot(g0110, detail::tvec4<T>(Pf0.x, Pf1.y, Pf1.z, Pf0.w));
-	T n1110 = dot(g1110, detail::tvec4<T>(Pf1.x, Pf1.y, Pf1.z, Pf0.w));
-	T n0001 = dot(g0001, detail::tvec4<T>(Pf0.x, Pf0.y, Pf0.z, Pf1.w));
-	T n1001 = dot(g1001, detail::tvec4<T>(Pf1.x, Pf0.y, Pf0.z, Pf1.w));
-	T n0101 = dot(g0101, detail::tvec4<T>(Pf0.x, Pf1.y, Pf0.z, Pf1.w));
-	T n1101 = dot(g1101, detail::tvec4<T>(Pf1.x, Pf1.y, Pf0.z, Pf1.w));
-	T n0011 = dot(g0011, detail::tvec4<T>(Pf0.x, Pf0.y, Pf1.z, Pf1.w));
-	T n1011 = dot(g1011, detail::tvec4<T>(Pf1.x, Pf0.y, Pf1.z, Pf1.w));
-	T n0111 = dot(g0111, detail::tvec4<T>(Pf0.x, Pf1.y, Pf1.z, Pf1.w));
-	T n1111 = dot(g1111, Pf1);
-
-	detail::tvec4<T> fade_xyzw = fade(Pf0);
-	detail::tvec4<T> n_0w = mix(detail::tvec4<T>(n0000, n1000, n0100, n1100), detail::tvec4<T>(n0001, n1001, n0101, n1101), fade_xyzw.w);
-	detail::tvec4<T> n_1w = mix(detail::tvec4<T>(n0010, n1010, n0110, n1110), detail::tvec4<T>(n0011, n1011, n0111, n1111), fade_xyzw.w);
-	detail::tvec4<T> n_zw = mix(n_0w, n_1w, fade_xyzw.z);
-	detail::tvec2<T> n_yzw = mix(detail::tvec2<T>(n_zw.x, n_zw.y), detail::tvec2<T>(n_zw.z, n_zw.w), fade_xyzw.y);
-	T n_xyzw = mix(n_yzw.x, n_yzw.y, fade_xyzw.x);
-	return T(2.2) * n_xyzw;
-}
-
-template <typename T>
-GLM_FUNC_QUALIFIER T simplex(glm::detail::tvec2<T> const & v)
-{
-	detail::tvec4<T> const C = detail::tvec4<T>(
-		T( 0.211324865405187),  // (3.0 -  sqrt(3.0)) / 6.0
-		T( 0.366025403784439),  //  0.5 * (sqrt(3.0)  - 1.0)
-		T(-0.577350269189626),	// -1.0 + 2.0 * C.x
-		T( 0.024390243902439)); //  1.0 / 41.0
-
-	// First corner
-	detail::tvec2<T> i  = floor(v + dot(v, detail::tvec2<T>(C[1])));
-	detail::tvec2<T> x0 = v -   i + dot(i, detail::tvec2<T>(C[0]));
-
-	// Other corners
-	//i1.x = step( x0.y, x0.x ); // x0.x > x0.y ? 1.0 : 0.0
-	//i1.y = 1.0 - i1.x;
-	detail::tvec2<T> i1 = (x0.x > x0.y) ? detail::tvec2<T>(1, 0) : detail::tvec2<T>(0, 1);
-	// x0 = x0 - 0.0 + 0.0 * C.xx ;
-	// x1 = x0 - i1 + 1.0 * C.xx ;
-	// x2 = x0 - 1.0 + 2.0 * C.xx ;
-	detail::tvec4<T> x12 = detail::tvec4<T>(x0.x, x0.y, x0.x, x0.y) + detail::tvec4<T>(C.x, C.x, C.z, C.z);
-	x12 = detail::tvec4<T>(detail::tvec2<T>(x12) - i1, x12.z, x12.w);
-
-	// Permutations
-	i = mod(i, T(289)); // Avoid truncation effects in permutation
-	detail::tvec3<T> p = permute(
-		permute(i.y + detail::tvec3<T>(T(0), i1.y, T(1)))
-		+ i.x + detail::tvec3<T>(T(0), i1.x, T(1)));
-
-	detail::tvec3<T> m = max(T(0.5) - detail::tvec3<T>(
-		dot(x0, x0), 
-		dot(detail::tvec2<T>(x12.x, x12.y), detail::tvec2<T>(x12.x, x12.y)), 
-		dot(detail::tvec2<T>(x12.z, x12.w), detail::tvec2<T>(x12.z, x12.w))), T(0));
-	m = m * m ;
-	m = m * m ;
-
-	// Gradients: 41 points uniformly over a line, mapped onto a diamond.
-	// The ring size 17*17 = 289 is close to a multiple of 41 (41*7 = 287)
-
-	detail::tvec3<T> x = T(2) * fract(p * C.w) - T(1);
-	detail::tvec3<T> h = abs(x) - T(0.5);
-	detail::tvec3<T> ox = floor(x + T(0.5));
-	detail::tvec3<T> a0 = x - ox;
-
-	// Normalise gradients implicitly by scaling m
-	// Inlined for speed: m *= taylorInvSqrt( a0*a0 + h*h );
-	m *= T(1.79284291400159) - T(0.85373472095314) * (a0 * a0 + h * h);
-
-	// Compute final noise value at P
-	detail::tvec3<T> g;
-	g.x  = a0.x  * x0.x  + h.x  * x0.y;
-	//g.yz = a0.yz * x12.xz + h.yz * x12.yw;
-	g.y = a0.y * x12.x + h.y * x12.y;
-	g.z = a0.z * x12.z + h.z * x12.w;
-	return T(130) * dot(m, g);
-}
-
-template <typename T>
-GLM_FUNC_QUALIFIER T simplex(detail::tvec3<T> const & v)
-{ 
-	detail::tvec2<T> const C(1.0 / 6.0, 1.0 / 3.0);
-	detail::tvec4<T> const D(0.0, 0.5, 1.0, 2.0);
-
-	// First corner
-	detail::tvec3<T> i(floor(v + dot(v, detail::tvec3<T>(C.y))));
-	detail::tvec3<T> x0(v - i + dot(i, detail::tvec3<T>(C.x)));
-
-	// Other corners
-	detail::tvec3<T> g(step(detail::tvec3<T>(x0.y, x0.z, x0.x), x0));
-	detail::tvec3<T> l(T(1) - g);
-	detail::tvec3<T> i1(min(g, detail::tvec3<T>(l.z, l.x, l.y)));
-	detail::tvec3<T> i2(max(g, detail::tvec3<T>(l.z, l.x, l.y)));
-
-	//   x0 = x0 - 0.0 + 0.0 * C.xxx;
-	//   x1 = x0 - i1  + 1.0 * C.xxx;
-	//   x2 = x0 - i2  + 2.0 * C.xxx;
-	//   x3 = x0 - 1.0 + 3.0 * C.xxx;
-	detail::tvec3<T> x1(x0 - i1 + C.x);
-	detail::tvec3<T> x2(x0 - i2 + C.y); // 2.0*C.x = 1/3 = C.y
-	detail::tvec3<T> x3(x0 - D.y);      // -1.0+3.0*C.x = -0.5 = -D.y
-
-	// Permutations
-	i = mod289(i); 
-	detail::tvec4<T> p(permute(permute(permute( 
-		i.z + detail::tvec4<T>(T(0), i1.z, i2.z, T(1))) + 
-		i.y + detail::tvec4<T>(T(0), i1.y, i2.y, T(1))) + 
-		i.x + detail::tvec4<T>(T(0), i1.x, i2.x, T(1))));
-
-	// Gradients: 7x7 points over a square, mapped onto an octahedron.
-	// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
-	T n_ = T(0.142857142857); // 1.0/7.0
-	detail::tvec3<T> ns(n_ * detail::tvec3<T>(D.w, D.y, D.z) - detail::tvec3<T>(D.x, D.z, D.x));
-
-	detail::tvec4<T> j(p - T(49) * floor(p * ns.z * ns.z));  //  mod(p,7*7)
-
-	detail::tvec4<T> x_(floor(j * ns.z));
-	detail::tvec4<T> y_(floor(j - T(7) * x_));    // mod(j,N)
-
-	detail::tvec4<T> x(x_ * ns.x + ns.y);
-	detail::tvec4<T> y(y_ * ns.x + ns.y);
-	detail::tvec4<T> h(T(1) - abs(x) - abs(y));
-
-	detail::tvec4<T> b0(x.x, x.y, y.x, y.y);
-	detail::tvec4<T> b1(x.z, x.w, y.z, y.w);
-
-	// vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
-	// vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
-	detail::tvec4<T> s0(floor(b0) * T(2) + T(1));
-	detail::tvec4<T> s1(floor(b1) * T(2) + T(1));
-	detail::tvec4<T> sh(-step(h, detail::tvec4<T>(0.0)));
-
-	detail::tvec4<T> a0 = detail::tvec4<T>(b0.x, b0.z, b0.y, b0.w) + detail::tvec4<T>(s0.x, s0.z, s0.y, s0.w) * detail::tvec4<T>(sh.x, sh.x, sh.y, sh.y);
-	detail::tvec4<T> a1 = detail::tvec4<T>(b1.x, b1.z, b1.y, b1.w) + detail::tvec4<T>(s1.x, s1.z, s1.y, s1.w) * detail::tvec4<T>(sh.z, sh.z, sh.w, sh.w);
-
-	detail::tvec3<T> p0(a0.x, a0.y, h.x);
-	detail::tvec3<T> p1(a0.z, a0.w, h.y);
-	detail::tvec3<T> p2(a1.x, a1.y, h.z);
-	detail::tvec3<T> p3(a1.z, a1.w, h.w);
-
-	// Normalise gradients
-	detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3)));
-	p0 *= norm.x;
-	p1 *= norm.y;
-	p2 *= norm.z;
-	p3 *= norm.w;
-
-	// Mix final noise value
-	detail::tvec4<T> m = max(T(0.6) - detail::tvec4<T>(dot(x0, x0), dot(x1, x1), dot(x2, x2), dot(x3, x3)), T(0));
-	m = m * m;
-	return T(42) * dot(m * m, vec4(dot(p0, x0), dot(p1, x1), dot(p2, x2), dot(p3, x3)));
-}
-
-template <typename T>
-GLM_FUNC_QUALIFIER T simplex(detail::tvec4<T> const & v)
-{
-	detail::tvec4<T> const C(
-		0.138196601125011,  // (5 - sqrt(5))/20  G4
-		0.276393202250021,  // 2 * G4
-		0.414589803375032,  // 3 * G4
-		-0.447213595499958); // -1 + 4 * G4
-
-	// (sqrt(5) - 1)/4 = F4, used once below
-	T const F4 = T(0.309016994374947451);
-
-	// First corner
-	detail::tvec4<T> i  = floor(v + dot(v, vec4(F4)));
-	detail::tvec4<T> x0 = v -   i + dot(i, vec4(C.x));
-
-	// Other corners
-
-	// Rank sorting originally contributed by Bill Licea-Kane, AMD (formerly ATI)
-	detail::tvec4<T> i0;
-	detail::tvec3<T> isX = step(detail::tvec3<T>(x0.y, x0.z, x0.w), detail::tvec3<T>(x0.x));
-	detail::tvec3<T> isYZ = step(detail::tvec3<T>(x0.z, x0.w, x0.w), detail::tvec3<T>(x0.y, x0.y, x0.z));
-	//  i0.x = dot(isX, vec3(1.0));
-	//i0.x = isX.x + isX.y + isX.z;
-	//i0.yzw = T(1) - isX;
-    i0 = detail::tvec4<T>(isX.x + isX.y + isX.z, T(1) - isX);
-	//  i0.y += dot(isYZ.xy, vec2(1.0));
-	i0.y += isYZ.x + isYZ.y;
-	//i0.zw += 1.0 - detail::tvec2<T>(isYZ.x, isYZ.y);
-    i0.z += T(1) - isYZ.x;
-    i0.w += T(1) - isYZ.y;
-	i0.z += isYZ.z;
-	i0.w += T(1) - isYZ.z;
-
-	// i0 now contains the unique values 0,1,2,3 in each channel
-	detail::tvec4<T> i3 = clamp(i0, 0.0, 1.0);
-	detail::tvec4<T> i2 = clamp(i0 - 1.0, 0.0, 1.0);
-	detail::tvec4<T> i1 = clamp(i0 - 2.0, 0.0, 1.0);
-
-	//  x0 = x0 - 0.0 + 0.0 * C.xxxx
-	//  x1 = x0 - i1  + 0.0 * C.xxxx
-	//  x2 = x0 - i2  + 0.0 * C.xxxx
-	//  x3 = x0 - i3  + 0.0 * C.xxxx
-	//  x4 = x0 - 1.0 + 4.0 * C.xxxx
-	detail::tvec4<T> x1 = x0 - i1 + C.x;
-	detail::tvec4<T> x2 = x0 - i2 + C.y;
-	detail::tvec4<T> x3 = x0 - i3 + C.z;
-	detail::tvec4<T> x4 = x0 + C.w;
-
-	// Permutations
-	i = mod(i, T(289)); 
-	T j0 = permute(permute(permute(permute(i.w) + i.z) + i.y) + i.x);
-	detail::tvec4<T> j1 = permute(permute(permute(permute(
-				i.w + detail::tvec4<T>(i1.w, i2.w, i3.w, T(1)))
-			+ i.z + detail::tvec4<T>(i1.z, i2.z, i3.z, T(1)))
-			+ i.y + detail::tvec4<T>(i1.y, i2.y, i3.y, T(1)))
-			+ i.x + detail::tvec4<T>(i1.x, i2.x, i3.x, T(1)));
-
-	// Gradients: 7x7x6 points over a cube, mapped onto a 4-cross polytope
-	// 7*7*6 = 294, which is close to the ring size 17*17 = 289.
-	detail::tvec4<T> ip = detail::tvec4<T>(T(1) / T(294), T(1) / T(49), T(1) / T(7), T(0));
-
-	detail::tvec4<T> p0 = grad4(j0,   ip);
-	detail::tvec4<T> p1 = grad4(j1.x, ip);
-	detail::tvec4<T> p2 = grad4(j1.y, ip);
-	detail::tvec4<T> p3 = grad4(j1.z, ip);
-	detail::tvec4<T> p4 = grad4(j1.w, ip);
-
-	// Normalise gradients
-	detail::tvec4<T> norm = taylorInvSqrt(detail::tvec4<T>(dot(p0, p0), dot(p1, p1), dot(p2, p2), dot(p3, p3)));
-	p0 *= norm.x;
-	p1 *= norm.y;
-	p2 *= norm.z;
-	p3 *= norm.w;
-	p4 *= taylorInvSqrt(dot(p4, p4));
-
-	// Mix contributions from the five corners
-	detail::tvec3<T> m0 = max(T(0.6) - detail::tvec3<T>(dot(x0, x0), dot(x1, x1), dot(x2, x2)), T(0));
-	detail::tvec2<T> m1 = max(T(0.6) - detail::tvec2<T>(dot(x3, x3), dot(x4, x4)             ), T(0));
-	m0 = m0 * m0;
-	m1 = m1 * m1;
-	return T(49) * 
-		(dot(m0 * m0, detail::tvec3<T>(dot(p0, x0), dot(p1, x1), dot(p2, x2))) + 
-		dot(m1 * m1, detail::tvec2<T>(dot(p3, x3), dot(p4, x4))));
-}
-
 }//namespace glm
diff --git a/glm/gtx/ulp.inl b/glm/gtx/ulp.inl
index 1a85b5c4..0317e431 100644
--- a/glm/gtx/ulp.inl
+++ b/glm/gtx/ulp.inl
@@ -21,6 +21,9 @@
  * ====================================================
  */
 
+#pragma warning(push)
+#pragma warning(disable : 4127)
+
 typedef union
 {
 	float value;
@@ -76,8 +79,8 @@ namespace detail
 		volatile float t;
 		glm::detail::int32 hx, hy, ix, iy;
 
-		GLM_GET_FLOAT_WORD(hx,x);
-		GLM_GET_FLOAT_WORD(hy,y);
+		GLM_GET_FLOAT_WORD(hx, x);
+		GLM_GET_FLOAT_WORD(hy, y);
 		ix = hx&0x7fffffff;             // |x|
 		iy = hy&0x7fffffff;             // |y|
 
@@ -168,6 +171,8 @@ namespace detail
 }//namespace detail
 }//namespace glm
 
+#pragma warning(pop)
+
 #if(GLM_COMPILER & GLM_COMPILER_VC)
 #	define GLM_NEXT_AFTER_FLT(x, toward) glm::detail::nextafterf((x), (toward))
 #   define GLM_NEXT_AFTER_DBL(x, toward) _nextafter((x), (toward))
diff --git a/glm/gtx/unsigned_int.hpp b/glm/gtx/unsigned_int.hpp
index 239e6b6b..d494905f 100644
--- a/glm/gtx/unsigned_int.hpp
+++ b/glm/gtx/unsigned_int.hpp
@@ -19,58 +19,8 @@
 /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 /// THE SOFTWARE.
-///
-/// @ref gtx_unsigned_int
-/// @file glm/gtx/unsigned_int.hpp
-/// @date 2005-12-24 / 2011-06-07
-/// @author Christophe Riccio
-///
-/// @see core (dependence)
-/// @see gtx_integer (dependence)
-///
-/// @defgroup gtx_unsigned_int GLM_GTX_unsigned_int: Unsigned int
-/// @ingroup gtx
-/// 
-/// @brief Add support for unsigned integer for core functions
-/// 
-/// <glm/gtx/unsigned_int.hpp> need to be included to use these functionalities.
 ///////////////////////////////////////////////////////////////////////////////////
 
-#ifndef GLM_GTX_unsigned_int
-#define GLM_GTX_unsigned_int GLM_VERSION
-
-// Dependency:
-#include "../glm.hpp"
-#include "../gtx/integer.hpp"
-
-#if(defined(GLM_MESSAGES) && !defined(glm_ext))
-#	pragma message("GLM: GLM_GTX_unsigned_int extension included")
+#if(defined(GLM_MESSAGES))
+#	pragma message("GLM: GLM_GTX_unsigned_int extension is deprecated, include GLM_GTX_integer instead")
 #endif
-
-namespace glm
-{
-	/// @addtogroup gtx_unsigned_int
-	/// @{
-
-	//! 32bit signed integer. 
-	//! From GLM_GTX_unsigned_int extension.
-	typedef signed int					sint;
-
-	//! Returns x raised to the y power.
-	//! From GLM_GTX_unsigned_int extension.
-	uint pow(uint x, uint y);
-
-	//! Returns the positive square root of x. 
-	//! From GLM_GTX_unsigned_int extension.
-	uint sqrt(uint x);
-
-	//! Modulus. Returns x - y * floor(x / y) for each component in x using the floating point value y.
-	//! From GLM_GTX_unsigned_int extension.
-	uint mod(uint x, uint y);
-
-	/// @}
-}//namespace glm
-
-#include "unsigned_int.inl"
-
-#endif//GLM_GTX_unsigned_int
diff --git a/glm/gtx/unsigned_int.inl b/glm/gtx/unsigned_int.inl
index 133a3022..953e4ba1 100644
--- a/glm/gtx/unsigned_int.inl
+++ b/glm/gtx/unsigned_int.inl
@@ -9,33 +9,5 @@
 
 namespace glm{
 
-GLM_FUNC_QUALIFIER uint pow(uint x, uint y)
-{
-    uint result = x;
-    for(uint i = 1; i < y; ++i)
-        result *= x;
-    return result;
-}
-
-GLM_FUNC_QUALIFIER uint sqrt(uint x)
-{
-    if(x <= 1) return x;
-
-    uint NextTrial = x >> 1;
-    uint CurrentAnswer;
-
-    do
-    {
-        CurrentAnswer = NextTrial;
-        NextTrial = (NextTrial + x / NextTrial) >> 1;
-    } while(NextTrial < CurrentAnswer);
-
-    return CurrentAnswer;
-}
-
-GLM_FUNC_QUALIFIER uint mod(uint x, uint y)
-{
-	return x - y * (x / y);
-}
 
 }//namespace glm
diff --git a/readme.txt b/readme.txt
index cc5f4d3a..af4d0901 100644
--- a/readme.txt
+++ b/readme.txt
@@ -40,10 +40,26 @@ http://glm.g-truc.net/glm-0.9.3.pdf
 GLM 0.9.3.0: 2011-XX-XX
 --------------------------------------------------------------------------------
 - Improved doxygen documentation
+- Promoted GLM_GTC_noise extension: simplex, perlin, periodic noise functions
+- Promoted GLM_GTC_random extension: linear, gaussian and various random number 
+generation distribution.
+- Added GLM_GTX_constants: provides usefull constants
 - Added extension versioning
 - Removed many unused namespaces
 - Fixed half based type contructors
 
+================================================================================
+GLM 0.9.2.7: 2011-1X-XX
+--------------------------------------------------------------------------------
+- Added more swizzling constructors
+
+================================================================================
+GLM 0.9.2.6: 2011-10-01
+--------------------------------------------------------------------------------
+- Fixed half based type build on old GCC
+- Fixed /W4 warnings on Visual C++
+- Fixed some missing l-value swizzle operators
+
 ================================================================================
 GLM 0.9.2.5: 2011-09-20
 --------------------------------------------------------------------------------
diff --git a/test/core/core_type_vec2.cpp b/test/core/core_type_vec2.cpp
index 0e513cd3..f9b97577 100644
--- a/test/core/core_type_vec2.cpp
+++ b/test/core/core_type_vec2.cpp
@@ -71,6 +71,118 @@ int test_vec2_operators()
         Error += A.x == C.x && A.y == C.y ? 0 : 1;
     }    
     
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B(4.0f, 5.0f);
+		
+		glm::vec2 C = A + B;
+		Error += C == glm::vec2(5, 7) ? 0 : 1;
+		
+		glm::vec2 D = B - A;
+		Error += D == glm::vec2(3, 3) ? 0 : 1;
+		
+		glm::vec2 E = A * B;
+		Error += E == glm::vec2(4, 10) ? 0 : 1;
+		
+		glm::vec2 F = B / A;
+		Error += F == glm::vec2(4, 2.5) ? 0 : 1;
+		
+		glm::vec2 G = A + 1.0f;
+		Error += G == glm::vec2(2, 3) ? 0 : 1;
+		
+		glm::vec2 H = B - 1.0f;
+		Error += H == glm::vec2(3, 4) ? 0 : 1;
+		
+		glm::vec2 I = A * 2.0f;
+		Error += I == glm::vec2(2, 4) ? 0 : 1;
+		
+		glm::vec2 J = B / 2.0f;
+		Error += J == glm::vec2(2, 2.5) ? 0 : 1;
+		
+		glm::vec2 K = 1.0f + A;
+		Error += K == glm::vec2(2, 3) ? 0 : 1;
+		
+		glm::vec2 L = 1.0f - B;
+		Error += L == glm::vec2(-3, -4) ? 0 : 1;
+		
+		glm::vec2 M = 2.0f * A;
+		Error += M == glm::vec2(2, 4) ? 0 : 1;
+		
+		glm::vec2 N = 2.0f / B;
+		Error += N == glm::vec2(0.5, 2.0 / 5.0) ? 0 : 1;
+	}
+	
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B(4.0f, 5.0f);
+		
+		A += B;
+		Error += A == glm::vec2(5, 7) ? 0 : 1;
+		
+		A += 1.0f;
+		Error += A == glm::vec2(6, 8) ? 0 : 1;
+	}
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B(4.0f, 5.0f);
+		
+		B -= A;
+		Error += B == glm::vec2(3, 3) ? 0 : 1;
+		
+		B -= 1.0f;
+		Error += B == glm::vec2(2, 2) ? 0 : 1;
+	}
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B(4.0f, 5.0f);
+		
+		A *= B;
+		Error += A == glm::vec2(4, 10) ? 0 : 1;
+		
+		A *= 2.0f;
+		Error += A == glm::vec2(8, 20) ? 0 : 1;
+	}
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B(4.0f, 5.0f);
+		
+		B /= A;
+		Error += B == glm::vec2(4, 2.5) ? 0 : 1;
+		
+		B /= 2.0f;
+		Error += B == glm::vec2(2, 1.25) ? 0 : 1;
+	}
+	
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B = -A;
+		Error += B == glm::vec2(-1.0f, -2.0f) ? 0 : 1;
+	}
+	
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B = --A;
+		Error += B == glm::vec2(0.0f, 1.0f) ? 0 : 1;
+	}
+	
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B = A--;
+		Error += B == glm::vec2(0.0f, 1.0f) ? 0 : 1;
+	}
+	
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B = ++A;
+		Error += B == glm::vec2(2.0f, 3.0f) ? 0 : 1;
+	}
+	
+	{
+		glm::vec2 A(1.0f, 2.0f);
+		glm::vec2 B = A++;
+		Error += B == glm::vec2(2.0f, 3.0f) ? 0 : 1;
+	}
+	
 	return Error;
 }
 
diff --git a/test/core/core_type_vec3.cpp b/test/core/core_type_vec3.cpp
index 03409dec..eb1c13eb 100644
--- a/test/core/core_type_vec3.cpp
+++ b/test/core/core_type_vec3.cpp
@@ -10,8 +10,34 @@
 #include <glm/glm.hpp>
 #include <glm/gtc/half_float.hpp>
 #include <cstdio>
+#include <vector>
 
-static int test_vec3_operators()
+int test_vec3_ctor()
+{
+	int Error = 0;
+	
+	{
+		glm::vec3 A(1);
+		glm::vec3 B(1, 1, 1);
+		
+		Error += A == B ? 0 : 1;
+	}
+	
+	{
+		std::vector<glm::vec3> Tests;
+		Tests.push_back(glm::vec3(glm::vec2(1, 2), 3));
+		Tests.push_back(glm::vec3(1, glm::vec2(2, 3)));
+		Tests.push_back(glm::vec3(1, 2, 3));
+		Tests.push_back(glm::vec3(glm::vec4(1, 2, 3, 4)));
+
+		for(std::size_t i = 0; i < Tests.size(); ++i)
+			Error += Tests[i] == glm::vec3(1, 2, 3) ? 0 : 1;
+	}
+		
+	return Error;
+}
+
+int test_vec3_operators()
 {
 	int Error = 0;
 	
@@ -39,6 +65,101 @@ static int test_vec3_operators()
 
 		glm::vec3 F = B / A;
 		Error += F == glm::vec3(4, 2.5, 2) ? 0 : 1;
+
+		glm::vec3 G = A + 1.0f;
+		Error += G == glm::vec3(2, 3, 4) ? 0 : 1;
+
+		glm::vec3 H = B - 1.0f;
+		Error += H == glm::vec3(3, 4, 5) ? 0 : 1;
+
+		glm::vec3 I = A * 2.0f;
+		Error += I == glm::vec3(2, 4, 6) ? 0 : 1;
+
+		glm::vec3 J = B / 2.0f;
+		Error += J == glm::vec3(2, 2.5, 3) ? 0 : 1;
+
+		glm::vec3 K = 1.0f + A;
+		Error += K == glm::vec3(2, 3, 4) ? 0 : 1;
+
+		glm::vec3 L = 1.0f - B;
+		Error += L == glm::vec3(-3, -4, -5) ? 0 : 1;
+
+		glm::vec3 M = 2.0f * A;
+		Error += M == glm::vec3(2, 4, 6) ? 0 : 1;
+
+		glm::vec3 N = 2.0f / B;
+		Error += N == glm::vec3(0.5, 2.0 / 5.0, 2.0 / 6.0) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		A += B;
+		Error += A == glm::vec3(5, 7, 9) ? 0 : 1;
+
+		A += 1.0f;
+		Error += A == glm::vec3(6, 8, 10) ? 0 : 1;
+	}
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		B -= A;
+		Error += B == glm::vec3(3, 3, 3) ? 0 : 1;
+
+		B -= 1.0f;
+		Error += B == glm::vec3(2, 2, 2) ? 0 : 1;
+	}
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		A *= B;
+		Error += A == glm::vec3(4, 10, 18) ? 0 : 1;
+
+		A *= 2.0f;
+		Error += A == glm::vec3(8, 20, 36) ? 0 : 1;
+	}
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B(4.0f, 5.0f, 6.0f);
+
+		B /= A;
+		Error += B == glm::vec3(4, 2.5, 2) ? 0 : 1;
+
+		B /= 2.0f;
+		Error += B == glm::vec3(2, 1.25, 1) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = -A;
+		Error += B == glm::vec3(-1.0f, -2.0f, -3.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = --A;
+		Error += B == glm::vec3(0.0f, 1.0f, 2.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = A--;
+		Error += B == glm::vec3(0.0f, 1.0f, 2.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = ++A;
+		Error += B == glm::vec3(2.0f, 3.0f, 4.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec3 A(1.0f, 2.0f, 3.0f);
+		glm::vec3 B = A++;
+		Error += B == glm::vec3(2.0f, 3.0f, 4.0f) ? 0 : 1;
 	}
 
 	return Error;
@@ -263,15 +384,41 @@ int test_vec3_swizzle_functions()
     return Error;
 }
 
+int test_vec3_swizzle_partial()
+{
+	int Error = 0;
+
+	glm::vec3 A(1, 2, 3);
+
+	{
+		glm::vec3 B(A.xy, 3.0f);
+		Error += A == B ? 0 : 1;
+	}
+
+	{
+		glm::vec3 B(1.0f, A.yz);
+		Error += A == B ? 0 : 1;
+	}
+
+	{
+		glm::vec3 B(A.xyz);
+		Error += A == B ? 0 : 1;
+	}
+
+	return Error;
+}
+
 int main()
 {
 	int Error = 0;
 
+	Error += test_vec3_ctor();
 	Error += test_vec3_operators();
 	Error += test_vec3_size();
     Error += test_vec3_swizzle3_2();
     Error += test_vec3_swizzle3_3();
     Error += test_vec3_swizzle_half();
+	Error += test_vec3_swizzle_partial();
     Error += test_vec3_swizzle_operators();
     Error += test_vec3_swizzle_functions();
 	
diff --git a/test/core/core_type_vec4.cpp b/test/core/core_type_vec4.cpp
index 23933b18..8078c473 100644
--- a/test/core/core_type_vec4.cpp
+++ b/test/core/core_type_vec4.cpp
@@ -9,6 +9,7 @@
 
 #include <glm/glm.hpp>
 #include <glm/gtc/half_float.hpp>
+#include <vector>
 
 template <int Value>
 struct mask
@@ -41,14 +42,161 @@ int test_hvec4()
 	return 0;
 }
 
+int test_vec4_ctor()
+{
+	int Error = 0;
+	
+	{
+		glm::vec4 A(1);
+		glm::vec4 B(1, 1, 1, 1);
+		
+		Error += A == B ? 0 : 1;
+	}
+	
+	{
+		std::vector<glm::vec4> Tests;
+		Tests.push_back(glm::vec4(glm::vec2(1, 2), 3, 4));
+		Tests.push_back(glm::vec4(1, glm::vec2(2, 3), 4));
+		Tests.push_back(glm::vec4(1, 2, glm::vec2(3, 4)));
+		Tests.push_back(glm::vec4(glm::vec3(1, 2, 3), 4));
+		Tests.push_back(glm::vec4(1, glm::vec3(2, 3, 4)));
+		Tests.push_back(glm::vec4(glm::vec2(1, 2), glm::vec2(3, 4)));
+		Tests.push_back(glm::vec4(1, 2, 3, 4));
+		Tests.push_back(glm::vec4(glm::vec4(1, 2, 3, 4)));
+		
+		for(std::size_t i = 0; i < Tests.size(); ++i)
+			Error += Tests[i] == glm::vec4(1, 2, 3, 4) ? 0 : 1;
+	}
+	
+	return Error;
+}
+
 int test_vec4_operators()
 {
-	glm::vec4 A(1.0f);
-	glm::vec4 B(1.0f);
-	bool R = A != B;
-	bool S = A == B;
+	int Error = 0;
+	
+	{
+		glm::vec4 A(1.0f);
+		glm::vec4 B(1.0f);
+		bool R = A != B;
+		bool S = A == B;
 
-	return (S && !R) ? 0 : 1;
+		Error += (S && !R) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		glm::vec4 C = A + B;
+		Error += C == glm::vec4(5, 7, 9, 11) ? 0 : 1;
+
+		glm::vec4 D = B - A;
+		Error += D == glm::vec4(3, 3, 3, 3) ? 0 : 1;
+
+		glm::vec4 E = A * B;
+		Error += E == glm::vec4(4, 10, 18, 28) ? 0 : 1;
+
+		glm::vec4 F = B / A;
+		Error += F == glm::vec4(4, 2.5, 2, 7.0f / 4.0f) ? 0 : 1;
+
+		glm::vec4 G = A + 1.0f;
+		Error += G == glm::vec4(2, 3, 4, 5) ? 0 : 1;
+
+		glm::vec4 H = B - 1.0f;
+		Error += H == glm::vec4(3, 4, 5, 6) ? 0 : 1;
+
+		glm::vec4 I = A * 2.0f;
+		Error += I == glm::vec4(2, 4, 6, 8) ? 0 : 1;
+
+		glm::vec4 J = B / 2.0f;
+		Error += J == glm::vec4(2, 2.5, 3, 3.5) ? 0 : 1;
+
+		glm::vec4 K = 1.0f + A;
+		Error += K == glm::vec4(2, 3, 4, 5) ? 0 : 1;
+
+		glm::vec4 L = 1.0f - B;
+		Error += L == glm::vec4(-3, -4, -5, -6) ? 0 : 1;
+
+		glm::vec4 M = 2.0f * A;
+		Error += M == glm::vec4(2, 4, 6, 8) ? 0 : 1;
+
+		glm::vec4 N = 2.0f / B;
+		Error += N == glm::vec4(0.5, 2.0 / 5.0, 2.0 / 6.0, 2.0 / 7.0) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		A += B;
+		Error += A == glm::vec4(5, 7, 9, 11) ? 0 : 1;
+
+		A += 1.0f;
+		Error += A == glm::vec4(6, 8, 10, 12) ? 0 : 1;
+	}
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		B -= A;
+		Error += B == glm::vec4(3, 3, 3, 3) ? 0 : 1;
+
+		B -= 1.0f;
+		Error += B == glm::vec4(2, 2, 2, 2) ? 0 : 1;
+	}
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		A *= B;
+		Error += A == glm::vec4(4, 10, 18, 28) ? 0 : 1;
+
+		A *= 2.0f;
+		Error += A == glm::vec4(8, 20, 36, 56) ? 0 : 1;
+	}
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B(4.0f, 5.0f, 6.0f, 7.0f);
+
+		B /= A;
+		Error += B == glm::vec4(4, 2.5, 2, 7.0f / 4.0f) ? 0 : 1;
+
+		B /= 2.0f;
+		Error += B == glm::vec4(2, 1.25, 1, 7.0f / 4.0f / 2.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = -A;
+		Error += B == glm::vec4(-1.0f, -2.0f, -3.0f, -4.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = --A;
+		Error += B == glm::vec4(0.0f, 1.0f, 2.0f, 3.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = A--;
+		Error += B == glm::vec4(0.0f, 1.0f, 2.0f, 3.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = ++A;
+		Error += B == glm::vec4(2.0f, 3.0f, 4.0f, 5.0f) ? 0 : 1;
+	}
+
+	{
+		glm::vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
+		glm::vec4 B = A++;
+		Error += B == glm::vec4(2.0f, 3.0f, 4.0f, 5.0f) ? 0 : 1;
+	}
+
+	return Error;
 }
 
 int test_vec4_size()
@@ -65,15 +213,52 @@ int test_vec4_size()
 	return Error;
 }
 
+int test_vec4_swizzle_partial()
+{
+	int Error = 0;
+
+	glm::vec4 A(1, 2, 3, 4);
+
+	{
+		glm::vec4 B(A.xy, A.zw);
+		Error += A == B ? 0 : 1;
+	}
+	{
+		glm::vec4 B(A.xy, 3.0f, 4.0f);
+		Error += A == B ? 0 : 1;
+	}
+	{
+		glm::vec4 B(1.0f, A.yz, 4.0f);
+		Error += A == B ? 0 : 1;
+	}
+	{
+		glm::vec4 B(1.0f, 2.0f, A.zw);
+		Error += A == B ? 0 : 1;
+	}
+
+	{
+		glm::vec4 B(A.xyz, 4.0f);
+		Error += A == B ? 0 : 1;
+	}
+	{
+		glm::vec4 B(1.0f, A.yzw);
+		Error += A == B ? 0 : 1;
+	}
+
+	return Error;
+}
+
 int main()
 {
 	//__m128 DataA = swizzle<X, Y, Z, W>(glm::vec4(1.0f, 2.0f, 3.0f, 4.0f));
 	//__m128 DataB = swizzle<W, Z, Y, X>(glm::vec4(1.0f, 2.0f, 3.0f, 4.0f));
 
 	int Error = 0;
+	Error += test_vec4_ctor();
 	Error += test_vec4_size();
 	Error += test_vec4_operators();
 	Error += test_hvec4();
+    Error += test_vec4_swizzle_partial();
 	return Error;
 }
 
diff --git a/test/gtc/CMakeLists.txt b/test/gtc/CMakeLists.txt
index 9bbfea59..dbb92d83 100644
--- a/test/gtc/CMakeLists.txt
+++ b/test/gtc/CMakeLists.txt
@@ -3,6 +3,7 @@ glmCreateTestGTC(gtc_matrix_access)
 glmCreateTestGTC(gtc_matrix_integer)
 glmCreateTestGTC(gtc_matrix_inverse)
 glmCreateTestGTC(gtc_matrix_transform)
+glmCreateTestGTC(gtc_noise)
 glmCreateTestGTC(gtc_quaternion)
 glmCreateTestGTC(gtc_random)
 glmCreateTestGTC(gtc_swizzle)
diff --git a/test/gtc/gtc_noise.cpp b/test/gtc/gtc_noise.cpp
new file mode 100644
index 00000000..d82273b4
--- /dev/null
+++ b/test/gtc/gtc_noise.cpp
@@ -0,0 +1,199 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2011-04-21
+// Updated : 2011-04-26
+// Licence : This source is under MIT licence
+// File    : test/gtx/noise.cpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <glm/glm.hpp>
+#include <glm/gtx/noise.hpp>
+#include <gli/gli.hpp>
+#include <gli/gtx/loader.hpp>
+#include <iostream>
+
+int test_simplex()
+{
+	std::size_t const Size = 256;
+
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec2(x / 64.f, y / 64.f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_simplex2d_256.dds");
+	}
+
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec3(x / 64.f, y / 64.f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_simplex3d_256.dds");
+	}
+	
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_simplex4d_256.dds");
+	}
+
+	return 0;
+}
+
+int test_perlin()
+{
+	std::size_t const Size = 256;
+
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 64.f, y / 64.f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_perlin2d_256.dds");
+	}
+
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 64.f, y / 64.f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_perlin3d_256.dds");
+	}
+	
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_perlin4d_256.dds");
+	}
+
+	return 0;
+}
+
+int test_perlin_pedioric()
+{
+	std::size_t const Size = 256;
+
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 64.f, y / 64.f), glm::vec2(2.0f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_perlin_pedioric_2d_256.dds");
+	}
+
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 64.f, y / 64.f, 0.5f), glm::vec3(2.0f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_perlin_pedioric_3d_256.dds");
+	}
+	
+	{
+		std::vector<glm::byte> ImageData(Size * Size * 3);
+		
+		for(std::size_t y = 0; y < Size; ++y)
+		for(std::size_t x = 0; x < Size; ++x)
+		{
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f), glm::vec4(2.0f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
+			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
+		}
+
+		gli::texture2D Texture(1);
+		Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
+		memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
+		gli::saveDDS9(Texture, "texture_perlin_pedioric_4d_256.dds");
+	}
+
+	return 0;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_simplex();
+	Error += test_perlin();
+	Error += test_perlin_pedioric();
+
+	return Error;
+}
diff --git a/test/gtc/gtc_swizzle.cpp b/test/gtc/gtc_swizzle.cpp
index 5ed77ae1..2520243b 100644
--- a/test/gtc/gtc_swizzle.cpp
+++ b/test/gtc/gtc_swizzle.cpp
@@ -121,13 +121,83 @@ int test_swizzle_vec4_const_static()
 	return Error;
 }
 
+int test_swizzle_vec3_partial()
+{
+	int Error = 0;
+
+	glm::ivec3 A(0, 1, 2);
+
+	{
+		glm::ivec3 B(A.swizzle(glm::R, glm::G, glm::B));	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	{
+		glm::ivec3 B(A.swizzle(glm::R, glm::G), 2);	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	{
+		glm::ivec3 B(0, A.swizzle(glm::G, glm::B));	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	return Error;
+}
+
+int test_swizzle_vec4_partial()
+{
+	int Error = 0;
+
+	glm::ivec4 A(0, 1, 2, 3);
+
+	{
+		glm::ivec4 B(A.swizzle(glm::R, glm::G, glm::B), 3);	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	{
+		glm::ivec4 B(A.swizzle(glm::R, glm::G), 2, 3);	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	{
+		glm::ivec4 B(0, A.swizzle(glm::G, glm::B), 3);	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	{
+		glm::ivec4 B(0, 1, A.swizzle(glm::B, glm::A));	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	{
+		glm::ivec4 B(A.swizzle(glm::X, glm::Y), A.swizzle(glm::Z, glm::W));	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	{
+		glm::ivec4 B(A.swizzle(glm::X, glm::Y), glm::vec2(2, 3));	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	{
+		glm::ivec4 B(glm::vec2(0, 1), A.swizzle(glm::Z, glm::W));	
+		Error += (A == B) ? 0 : 1;
+	}
+
+	return Error;
+}
+
 int main()
 {
 	int Error = 0;
+	Error += test_swizzle_vec3_partial();
 	Error += test_swizzle_vec4_ref_dynamic();
 	Error += test_swizzle_vec4_ref_static();
 	Error += test_swizzle_vec4_const_dynamic();
 	Error += test_swizzle_vec4_const_static();
+	Error += test_swizzle_vec4_partial();
 
 	return Error;
 }
diff --git a/test/gtx/CMakeLists.txt b/test/gtx/CMakeLists.txt
index b7a44b8d..89a55f7a 100644
--- a/test/gtx/CMakeLists.txt
+++ b/test/gtx/CMakeLists.txt
@@ -1,4 +1,6 @@
 glmCreateTestGTC(gtx_bit)
+glmCreateTestGTC(gtx_gradient_paint)
+glmCreateTestGTC(gtx_integer)
 glmCreateTestGTC(gtx_noise)
 glmCreateTestGTC(gtx_quaternion)
 glmCreateTestGTC(gtx_random)
diff --git a/test/gtx/gtx_gradient_paint.cpp b/test/gtx/gtx_gradient_paint.cpp
new file mode 100644
index 00000000..85de7b9d
--- /dev/null
+++ b/test/gtx/gtx_gradient_paint.cpp
@@ -0,0 +1,41 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2011-10-13
+// Updated : 2011-10-13
+// Licence : This source is under MIT licence
+// File    : test/gtx/gradient_paint.cpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <glm/glm.hpp>
+#include <glm/gtx/gradient_paint.hpp>
+
+int test_radialGradient()
+{
+	int Error = 0;
+	
+	float Gradient = glm::radialGradient(glm::vec2(0), 1.0f, glm::vec2(1), glm::vec2(0.5));
+	
+	return Error;
+}
+
+int test_linearGradient()
+{
+	int Error = 0;
+
+	float Gradient = glm::linearGradient(glm::vec2(0), glm::vec2(1), glm::vec2(0.5));
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+    Error += test_radialGradient();
+    Error += test_linearGradient();
+    
+	return Error;
+}
+
+
diff --git a/test/gtx/gtx_integer.cpp b/test/gtx/gtx_integer.cpp
new file mode 100644
index 00000000..a3429387
--- /dev/null
+++ b/test/gtx/gtx_integer.cpp
@@ -0,0 +1,66 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2011-10-11
+// Updated : 2011-10-11
+// Licence : This source is under MIT licence
+// File    : test/gtx/gtx_integer.cpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <glm/glm.hpp>
+#include <glm/gtx/integer.hpp>
+#include <glm/gtx/epsilon.hpp>
+#include <iostream>
+
+int test_floor_log2()
+{
+	int Error = 0;
+
+	for(std::size_t i = 1; i < 1000000; ++i)
+	{
+		glm::uint A = glm::floor_log2(glm::uint(i));
+		glm::uint B = glm::uint(glm::log2(double(i))); // Will fail with float, lack of accuracy
+
+		Error += A == B ? 0 : 1;
+		assert(!Error);
+	}
+
+	return Error;
+}
+
+int test_log2()
+{
+	int Error = 0;
+
+	for(std::size_t i = 1; i < 1000000; ++i)
+	{
+		glm::uint A = glm::log2(glm::uint(i));
+		double B = glm::log2(double(i));
+
+		Error += glm::equalEpsilon(double(A), B, 1.0) ? 0 : 1;
+		//assert(!Error);
+	}
+
+	return Error;
+}
+
+int test_nlz()
+{
+	int Error = 0;
+
+	for(std::size_t i = 1; i < 33; ++i)
+		printf("%d, %d\n", glm::nlz(i), 31u - glm::findMSB(i));
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_nlz();
+	Error += test_floor_log2();
+	Error += test_log2();
+
+	return Error;
+}
diff --git a/test/gtx/gtx_noise.cpp b/test/gtx/gtx_noise.cpp
index c3f46a88..d82273b4 100644
--- a/test/gtx/gtx_noise.cpp
+++ b/test/gtx/gtx_noise.cpp
@@ -23,7 +23,7 @@ int test_simplex()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec2(x / 16.f, y / 16.f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec2(x / 64.f, y / 64.f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -40,7 +40,7 @@ int test_simplex()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec3(x / 16.f, y / 16.f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec3(x / 64.f, y / 64.f, 0.5f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -57,7 +57,7 @@ int test_simplex()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::simplex(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -81,7 +81,7 @@ int test_perlin()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 16.f, y / 16.f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 64.f, y / 64.f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -98,7 +98,7 @@ int test_perlin()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 16.f, y / 16.f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 64.f, y / 64.f, 0.5f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -115,7 +115,7 @@ int test_perlin()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -139,7 +139,7 @@ int test_perlin_pedioric()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 16.f, y / 16.f), glm::vec2(2.0f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 64.f, y / 64.f), glm::vec2(2.0f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -156,7 +156,7 @@ int test_perlin_pedioric()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 16.f, y / 16.f, 0.5f), glm::vec3(2.0f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 64.f, y / 64.f, 0.5f), glm::vec3(2.0f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
@@ -173,7 +173,7 @@ int test_perlin_pedioric()
 		for(std::size_t y = 0; y < Size; ++y)
 		for(std::size_t x = 0; x < Size; ++x)
 		{
-			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f), glm::vec4(2.0f)) * 128.f + 127.f);
+			ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f), glm::vec4(2.0f)) * 128.f + 127.f);
 			ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
 			ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
 		}
