2011-10-24 14:24:48 +00:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta http-equiv = "Content-Type" content = "text/xhtml;charset=UTF-8" / >
< title > GLM_GTX_fast_square_root: Fast square root functions< / title >
< link href = "tabs.css" rel = "stylesheet" type = "text/css" / >
< link href = "doxygen.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
2011-11-12 23:26:02 +00:00
<!-- Generated by Doxygen 1.7.3 -->
2011-10-24 14:24:48 +00:00
< div id = "top" >
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
< tr style = "height: 56px;" >
2011-11-12 23:26:02 +00:00
< td id = "projectlogo" > < img alt = "Logo" src = "logo-mini.png" > < / td >
2011-10-24 14:24:48 +00:00
< / tr >
< / tbody >
< / table >
< / div >
< div id = "navrow1" class = "tabs" >
< ul class = "tablist" >
< li > < a href = "index.html" > < span > Main  Page< / span > < / a > < / li >
2011-11-12 23:26:02 +00:00
< li > < a href = "pages.html" > < span > Related  Pages< / span > < / a > < / li >
2011-10-24 14:24:48 +00:00
< li > < a href = "modules.html" > < span > Modules< / span > < / a > < / li >
< li > < a href = "annotated.html" > < span > Classes< / span > < / a > < / li >
< li > < a href = "files.html" > < span > Files< / span > < / a > < / li >
< / ul >
< / div >
< / div >
< div class = "header" >
< div class = "summary" >
< a href = "#func-members" > Functions< / a > < / div >
< div class = "headertitle" >
2011-11-12 23:26:02 +00:00
< h1 > GLM_GTX_fast_square_root: Fast square root functions< / h1 > < / div >
< div class = "ingroups" > < a class = "el" href = "a00152.html" > GTX Extensions (Experimental)< / a > < / div > < / div >
2011-10-24 14:24:48 +00:00
< div class = "contents" >
< p > Fast but less accurate implementations of square root based functions.
2011-11-12 23:26:02 +00:00
< a href = "#_details" > More...< / a > < / p >
2011-10-24 14:24:48 +00:00
< table class = "memberdecls" >
< tr > < td colspan = "2" > < h2 > < a name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
2011-11-12 23:26:02 +00:00
< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType::value_type  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00183.html#gaa576cf70903b0bc1631fa32ebadd0134" > fastDistance< / a > (genType const & x, genType const & y)< / td > < / tr >
2011-10-24 14:24:48 +00:00
< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
2011-11-12 23:26:02 +00:00
< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00183.html#gad8adfc67c842b9f2fa9dc1b251cfc097" > fastInverseSqrt< / a > (genType const & x)< / td > < / tr >
2011-10-24 14:24:48 +00:00
< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
2011-11-12 23:26:02 +00:00
< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType::value_type  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00183.html#ga7653f1b39ef2ee1b6633842238bef911" > fastLength< / a > (genType const & x)< / td > < / tr >
2011-10-24 14:24:48 +00:00
< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
2011-11-12 23:26:02 +00:00
< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00183.html#gafa857a1f03e384286b9509b91e3fec1b" > fastNormalize< / a > (genType const & x)< / td > < / tr >
2011-10-24 14:24:48 +00:00
< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
2011-11-12 23:26:02 +00:00
< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00183.html#gab351f0ee922133ec048453e133ea8c8a" > fastSqrt< / a > (genType const & x)< / td > < / tr >
2011-10-24 14:24:48 +00:00
< / table >
2011-11-12 23:26:02 +00:00
< hr / > < a name = "_details" > < / a > < h2 > Detailed Description< / h2 >
2011-10-24 14:24:48 +00:00
< p > Fast but less accurate implementations of square root based functions. < / p >
2011-11-12 23:26:02 +00:00
< ul >
< li > Sqrt optimisation based on Newton's method, www.gamedev.net/community/forums/topic.asp?topic id=139956< / li >
< / ul >
< p > < < a class = "el" href = "a00039.html" title = "OpenGL Mathematics (glm.g-truc.net)" > glm/gtx/fast_square_root.hpp< / a > > need to be included to use these functionalities. < / p >
2011-10-24 14:24:48 +00:00
< hr / > < h2 > Function Documentation< / h2 >
2011-11-12 23:26:02 +00:00
< a class = "anchor" id = "gaa576cf70903b0bc1631fa32ebadd0134" > < / a > <!-- doxytag: member="glm::fastDistance" ref="gaa576cf70903b0bc1631fa32ebadd0134" args="(genType const &x, genType const &y)" -->
2011-10-24 14:24:48 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2011-11-12 23:26:02 +00:00
< td class = "memname" > genType::value_type glm::fastDistance < / td >
2011-10-24 14:24:48 +00:00
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > y< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Faster than the common distance function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
< / div >
< / div >
2011-11-12 23:26:02 +00:00
< a class = "anchor" id = "gad8adfc67c842b9f2fa9dc1b251cfc097" > < / a > <!-- doxytag: member="glm::fastInverseSqrt" ref="gad8adfc67c842b9f2fa9dc1b251cfc097" args="(genType const &x)" -->
2011-10-24 14:24:48 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2011-11-12 23:26:02 +00:00
< td class = "memname" > genType glm::fastInverseSqrt < / td >
2011-10-24 14:24:48 +00:00
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Faster than the common inversesqrt function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
< / div >
< / div >
2011-11-12 23:26:02 +00:00
< a class = "anchor" id = "ga7653f1b39ef2ee1b6633842238bef911" > < / a > <!-- doxytag: member="glm::fastLength" ref="ga7653f1b39ef2ee1b6633842238bef911" args="(genType const &x)" -->
2011-10-24 14:24:48 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2011-11-12 23:26:02 +00:00
< td class = "memname" > genType::value_type glm::fastLength < / td >
2011-10-24 14:24:48 +00:00
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Faster than the common length function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
< / div >
< / div >
2011-11-12 23:26:02 +00:00
< a class = "anchor" id = "gafa857a1f03e384286b9509b91e3fec1b" > < / a > <!-- doxytag: member="glm::fastNormalize" ref="gafa857a1f03e384286b9509b91e3fec1b" args="(genType const &x)" -->
2011-10-24 14:24:48 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2011-11-12 23:26:02 +00:00
< td class = "memname" > genType glm::fastNormalize < / td >
2011-10-24 14:24:48 +00:00
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Faster than the common normalize function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
< / div >
< / div >
2011-11-12 23:26:02 +00:00
< a class = "anchor" id = "gab351f0ee922133ec048453e133ea8c8a" > < / a > <!-- doxytag: member="glm::fastSqrt" ref="gab351f0ee922133ec048453e133ea8c8a" args="(genType const &x)" -->
2011-10-24 14:24:48 +00:00
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
2011-11-12 23:26:02 +00:00
< td class = "memname" > genType glm::fastSqrt < / td >
2011-10-24 14:24:48 +00:00
< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Faster than the common sqrt function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
< / div >
< / div >
< / div >
< hr class = "footer" / > < address class = "footer" > < small > Generated by 
< a href = "http://www.doxygen.org/index.html" >
2011-11-12 23:26:02 +00:00
< img class = "footer" src = "doxygen.png" alt = "doxygen" / > < / a > 1.7.3 < / small > < / address >
2011-10-24 14:24:48 +00:00
< / body >
< / html >
