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< title > GLM_GTX_fast_square_root: Fast square root functions< / title >
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< div class = "title" > GLM_GTX_fast_square_root: Fast square root functions< / div > < / div >
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< div class = "ingroups" > < a class = "el" href = "a00152.html" > GTX Extensions (Experimental)< / a > < / div > < / div >
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Functions< / h2 > < / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00183.html#ga49dd9caa2853398474e5aae377259a22" > fastInverseSqrt< / a > (genType const & x)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< hr / > < a name = "details" id = "details" > < / a > < h2 > Detailed Description< / h2 >
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< p > Fast but less accurate implementations of square root based functions. < / p >
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< li > Sqrt optimisation based on Newton's method, www.gamedev.net/community/forums/topic.asp?topic id=139956< / li >
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< 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 >
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< hr / > < h2 > Function Documentation< / h2 >
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< a class = "anchor" id = "ga646eee2633e9de7274de9bc6f5af92b5" > < / a > <!-- doxytag: member="glm::fastDistance" ref="ga646eee2633e9de7274de9bc6f5af92b5" args="(genType const &x, genType const &y)" -->
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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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< a class = "anchor" id = "ga49dd9caa2853398474e5aae377259a22" > < / a > <!-- doxytag: member="glm::fastInverseSqrt" ref="ga49dd9caa2853398474e5aae377259a22" args="(genType const &x)" -->
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< p > Faster than the common inversesqrt function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
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< p > Faster than the common length function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
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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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< a class = "anchor" id = "gad57c343d2362c1469043adedeb8ef8eb" > < / a > <!-- doxytag: member="glm::fastSqrt" ref="gad57c343d2362c1469043adedeb8ef8eb" args="(genType const &x)" -->
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< p > Faster than the common sqrt function but less accurate. < / p >
< p > From GLM_GTX_fast_square_root extension. < / p >
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