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<h1>constants.hpp</h1> </div>
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<a href="a00032.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
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<a name="l00039"></a>00039 <span class="preprocessor">#ifndef GLM_GTX_constants</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define GLM_GTX_constants GLM_VERSION</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="comment">// Dependency:</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include &quot;<a class="code" href="a00050.html" title="OpenGL Mathematics (glm.g-truc.net)">../glm.hpp</a>&quot;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &quot;<a class="code" href="a00052.html" title="OpenGL Mathematics (glm.g-truc.net)">../gtc/half_float.hpp</a>&quot;</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#if(defined(GLM_MESSAGES) &amp;&amp; !defined(glm_ext))</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor"># pragma message(&quot;GLM: GLM_GTX_constants extension included&quot;)</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="keyword">namespace </span>glm
<a name="l00051"></a>00051 {
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00056"></a>00056 T pi();
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00059"></a>00059 GLM_FUNC_QUALIFIER T pi()
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keywordflow">return</span> T(3.14159265358979323846264338327950288);
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00065"></a>00065 GLM_FUNC_QUALIFIER T root_pi()
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keywordflow">return</span> T(1.772453850905516027);
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00071"></a>00071 GLM_FUNC_QUALIFIER T half_pi()
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">return</span> T(1.57079632679489661923132169163975144);
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00077"></a>00077 GLM_FUNC_QUALIFIER T quarter_pi()
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 <span class="keywordflow">return</span> T(0.785398163397448309615660845819875721);
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00083"></a>00083 GLM_FUNC_QUALIFIER T one_over_pi()
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="keywordflow">return</span> T(0.318309886183790671537767526745028724);
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00089"></a>00089 GLM_FUNC_QUALIFIER T two_over_pi()
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordflow">return</span> T(0.636619772367581343075535053490057448);
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00095"></a>00095 GLM_FUNC_QUALIFIER T two_over_root_pi()
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="keywordflow">return</span> T(1.12837916709551257389615890312154517);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00101"></a>00101 GLM_FUNC_QUALIFIER T one_over_root_two()
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="keywordflow">return</span> T(0.707106781186547524400844362104849039);
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00107"></a>00107 GLM_FUNC_QUALIFIER T root_half_pi()
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 <span class="keywordflow">return</span> T(1.253314137315500251);
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00113"></a>00113 GLM_FUNC_QUALIFIER T root_two_pi()
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="keywordflow">return</span> T(2.506628274631000502);
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00119"></a>00119 GLM_FUNC_QUALIFIER T root_ln_four()
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="keywordflow">return</span> T(1.17741002251547469);
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00125"></a>00125 GLM_FUNC_QUALIFIER T e()
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 <span class="keywordflow">return</span> T(2.71828182845904523536);
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00131"></a>00131 GLM_FUNC_QUALIFIER T euler()
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <span class="keywordflow">return</span> T(0.577215664901532860606);
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00137"></a>00137 GLM_FUNC_QUALIFIER T root_two()
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="keywordflow">return</span> T(1.41421356237309504880168872420969808);
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00143"></a>00143 GLM_FUNC_QUALIFIER T ln_two()
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 <span class="keywordflow">return</span> T(0.693147180559945309417232121458176568);
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00149"></a>00149 GLM_FUNC_QUALIFIER T ln_ten()
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 <span class="keywordflow">return</span> T(2.30258509299404568401799145468436421);
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00155"></a>00155 GLM_FUNC_QUALIFIER T ln_ln_two()
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keywordflow">return</span> T(-0.3665129205816643);
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00161"></a>00161 GLM_FUNC_QUALIFIER T third()
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 <span class="keywordflow">return</span> T(0.333333333333333333);
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00167"></a>00167 GLM_FUNC_QUALIFIER T twothirds()
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="keywordflow">return</span> T(0.666666666666666666);
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00173"></a>00173 } <span class="comment">//namespace glm</span>
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="preprocessor">#include &quot;constants.inl&quot;</span>
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="preprocessor">#endif//GLM_GTX_constants</span>
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