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< li class = "navelem" > < a class = "el" href = "dir_934f46a345653ef2b3014a1b37a162c1.html" > G:< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_98f7f9d41f9d3029bd68cf237526a774.html" > Source< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_9344afb825aed5e2f5be1d2015dde43c.html" > G-Truc< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_45973f864e07b2505003ae343b7c8af7.html" > glm< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_304be5dfae1339a7705426c0b536faf2.html" > glm< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_e8f3c1046ba4b357711397765359cd18.html" > gtx< / a > < / li > < / ul >
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< div class = "title" > fast_square_root.hpp< / div > < / div >
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< / div > <!-- header -->
< div class = "contents" >
< a href = "a00031.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < / div >
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< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #pragma once< / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "comment" > // Dependency:< / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " ../common.hpp" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " ../exponential.hpp" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " ../geometric.hpp" < / span > < / div >
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< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div >
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< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #ifndef GLM_ENABLE_EXPERIMENTAL< / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > # error " GLM: GLM_GTX_fast_square_root is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it." < / span > < / div >
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< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
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< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "preprocessor" > #if GLM_MESSAGES == GLM_MESSAGES_ENABLED & & !defined(GLM_EXT_INCLUDED)< / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "preprocessor" > # pragma message(" GLM: GLM_GTX_fast_square_root extension included" )< / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "a00138.html" > glm< / a > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   {< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > genType> < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   GLM_FUNC_DECL genType < a class = "code" href = "a00191.html#gae83f0c03614f73eae5478c5b6274ee6d" > fastSqrt< / a > (genType x);< / div >
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< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
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< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keyword" > template< / span > < length_t L, < span class = "keyword" > typename< / span > T, qualifier Q> < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   GLM_FUNC_DECL vec< L, T, Q> < a class = "code" href = "a00191.html#gae83f0c03614f73eae5478c5b6274ee6d" > fastSqrt< / a > (vec< L, T, Q> < span class = "keyword" > const< / span > & x);< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > genType> < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   GLM_FUNC_DECL genType < a class = "code" href = "a00191.html#gadcd7be12b1e5ee182141359d4c45dd24" > fastInverseSqrt< / a > (genType x);< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "keyword" > template< / span > < length_t L, < span class = "keyword" > typename< / span > T, qualifier Q> < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   GLM_FUNC_DECL vec< L, T, Q> < a class = "code" href = "a00191.html#gadcd7be12b1e5ee182141359d4c45dd24" > fastInverseSqrt< / a > (vec< L, T, Q> < span class = "keyword" > const< / span > & x);< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > genType> < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   GLM_FUNC_DECL genType < a class = "code" href = "a00191.html#ga90f66be92ef61e705c005e7b3209edb8" > fastLength< / a > (genType x);< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keyword" > template< / span > < length_t L, < span class = "keyword" > typename< / span > T, qualifier Q> < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   GLM_FUNC_DECL T < a class = "code" href = "a00191.html#ga90f66be92ef61e705c005e7b3209edb8" > fastLength< / a > (vec< L, T, Q> < span class = "keyword" > const< / span > & x);< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > genType> < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   GLM_FUNC_DECL genType < a class = "code" href = "a00191.html#ga42d3e771fa7cb3c60d828e315829df19" > fastDistance< / a > (genType x, genType y);< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keyword" > template< / span > < length_t L, < span class = "keyword" > typename< / span > T, qualifier Q> < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   GLM_FUNC_DECL T < a class = "code" href = "a00191.html#ga42d3e771fa7cb3c60d828e315829df19" > fastDistance< / a > (vec< L, T, Q> < span class = "keyword" > const< / span > & x, vec< L, T, Q> < span class = "keyword" > const< / span > & y);< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > genType> < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   GLM_FUNC_DECL genType < a class = "code" href = "a00191.html#ga3b02c1d6e0c754144e2f1e110bf9f16c" > fastNormalize< / a > (genType < span class = "keyword" > const< / span > & x);< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   }< span class = "comment" > // namespace glm< / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "preprocessor" > #include " fast_square_root.inl" < / span > < / div >
< div class = "ttc" id = "a00191_html_gadcd7be12b1e5ee182141359d4c45dd24" > < div class = "ttname" > < a href = "a00191.html#gadcd7be12b1e5ee182141359d4c45dd24" > glm::fastInverseSqrt< / a > < / div > < div class = "ttdeci" > GLM_FUNC_DECL vec< L, T, Q > fastInverseSqrt(vec< L, T, Q > const & x)< / div > < div class = "ttdoc" > Faster than the common inversesqrt function but less accurate. < / div > < / div >
< div class = "ttc" id = "a00191_html_ga42d3e771fa7cb3c60d828e315829df19" > < div class = "ttname" > < a href = "a00191.html#ga42d3e771fa7cb3c60d828e315829df19" > glm::fastDistance< / a > < / div > < div class = "ttdeci" > GLM_FUNC_DECL T fastDistance(vec< L, T, Q > const & x, vec< L, T, Q > const & y)< / div > < div class = "ttdoc" > Faster than the common distance function but less accurate. < / div > < / div >
< div class = "ttc" id = "a00138_html" > < div class = "ttname" > < a href = "a00138.html" > glm< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "a00015_source.html#l00020" > common.hpp:20< / a > < / div > < / div >
< div class = "ttc" id = "a00191_html_ga90f66be92ef61e705c005e7b3209edb8" > < div class = "ttname" > < a href = "a00191.html#ga90f66be92ef61e705c005e7b3209edb8" > glm::fastLength< / a > < / div > < div class = "ttdeci" > GLM_FUNC_DECL T fastLength(vec< L, T, Q > const & x)< / div > < div class = "ttdoc" > Faster than the common length function but less accurate. < / div > < / div >
< div class = "ttc" id = "a00191_html_gae83f0c03614f73eae5478c5b6274ee6d" > < div class = "ttname" > < a href = "a00191.html#gae83f0c03614f73eae5478c5b6274ee6d" > glm::fastSqrt< / a > < / div > < div class = "ttdeci" > GLM_FUNC_DECL vec< L, T, Q > fastSqrt(vec< L, T, Q > const & x)< / div > < div class = "ttdoc" > Faster than the common sqrt function but less accurate. < / div > < / div >
< div class = "ttc" id = "a00191_html_ga3b02c1d6e0c754144e2f1e110bf9f16c" > < div class = "ttname" > < a href = "a00191.html#ga3b02c1d6e0c754144e2f1e110bf9f16c" > glm::fastNormalize< / a > < / div > < div class = "ttdeci" > GLM_FUNC_DECL genType fastNormalize(genType const & x)< / div > < div class = "ttdoc" > Faster than the common normalize function but less accurate. < / div > < / div >
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