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< div class = "title" > GLM_GTX_fast_square_root< div class = "ingroups" > < a class = "el" href = "a00165.html" > GTX Extensions (Experimental)< / a > < / div > < / div > < / div >
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Functions< / h2 > < / td > < / tr >
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< tr class = "memitem:ga646eee2633e9de7274de9bc6f5af92b5" > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr class = "separator:ga646eee2633e9de7274de9bc6f5af92b5" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "separator:ga49dd9caa2853398474e5aae377259a22" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:gad57c343d2362c1469043adedeb8ef8eb" > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
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< p > Fast but less accurate implementations of square root based functions. < / p >
< 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 = "a00030.html" title = "OpenGL Mathematics (glm.g-truc.net) " > glm/gtx/fast_square_root.hpp< / a > > need to be included to use these functionalities. < / p >
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< h2 class = "groupheader" > Function Documentation< / h2 >
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< a class = "anchor" id = "ga646eee2633e9de7274de9bc6f5af92b5" > < / a >
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< td class = "memname" > genType::value_type glm::fastDistance < / td >
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< td class = "paramtype" > genType const &   < / td >
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< td class = "paramname" > < em > x< / em > , < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > y< / em >   < / td >
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< / tr >
< tr >
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< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
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< / table >
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< p > Faster than the common distance function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
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< / div >
< a class = "anchor" id = "ga49dd9caa2853398474e5aae377259a22" > < / a >
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< td class = "memname" > genType glm::fastInverseSqrt < / td >
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< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
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< / 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 >
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< td class = "memname" > genType::value_type glm::fastLength < / td >
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< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
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< / div > < div class = "memdoc" >
< p > Faster than the common length function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
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< a class = "anchor" id = "ga2953e7426a420bb2b33affce7360ef40" > < / a >
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< td class = "memname" > genType glm::fastNormalize < / td >
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< td class = "paramname" > < em > x< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
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< p > Faster than the common normalize function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
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< td class = "memname" > genType glm::fastSqrt < / td >
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< 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 >
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