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< div class = "title" > GLM_GTC_constants< / div > < / div >
< div class = "ingroups" > < a class = "el" href = "a00138.html" > GTC Extensions (Stable)< / a > < / div > < / div > <!-- header -->
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Functions< / h2 > < / td > < / tr >
< tr class = "memitem:ga1cebaa574cc7c9018ccefbde3f174db5" > < td class = "memTemplParams" colspan = "2" > template< typename T > < / td > < / tr >
< tr class = "memitem:ga1cebaa574cc7c9018ccefbde3f174db5" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_CONSTEXPR T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00145.html#ga1cebaa574cc7c9018ccefbde3f174db5" > e< / a > ()< / td > < / tr >
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< tr class = "memitem:ga2b53267cfa3c8aa96c02cdba04c53ef5" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_CONSTEXPR T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00145.html#ga2b53267cfa3c8aa96c02cdba04c53ef5" > epsilon< / a > ()< / td > < / tr >
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< tr class = "memitem:gaed1d93869801afa40958ffa062dde245" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_CONSTEXPR T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00145.html#gaed1d93869801afa40958ffa062dde245" > euler< / a > ()< / td > < / tr >
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< tr class = "memitem:ga14e6ecb0a19dbbfcf6cd48cb536cbd61" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_CONSTEXPR T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00145.html#ga14e6ecb0a19dbbfcf6cd48cb536cbd61" > golden_ratio< / a > ()< / td > < / tr >
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< tr class = "memitem:ga8a72b0fbaa530016ccdfd28529cda87d" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_CONSTEXPR T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00145.html#ga8a72b0fbaa530016ccdfd28529cda87d" > half_pi< / a > ()< / td > < / tr >
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< tr class = "memitem:gaf3f205c738a519ec082dd8a67968549c" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_CONSTEXPR T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00145.html#gaf3f205c738a519ec082dd8a67968549c" > root_three< / a > ()< / td > < / tr >
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< tr class = "memitem:ga84cde9a5f5c5528a2846ab43a62f3fd0" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_CONSTEXPR T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00145.html#ga84cde9a5f5c5528a2846ab43a62f3fd0" > root_two< / a > ()< / td > < / tr >
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< tr class = "memitem:ga579959e61ef879efbe7e8646b2d9c222" > < td class = "memTemplItemLeft" align = "right" valign = "top" > GLM_CONSTEXPR T  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00145.html#ga579959e61ef879efbe7e8646b2d9c222" > two_over_pi< / a > ()< / td > < / tr >
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< / table >
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< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
< p > Allow to perform bit operations on integer values. < / p >
< p > < < a class = "el" href = "a00015.html" title = "OpenGL Mathematics (glm.g-truc.net)" > glm/gtc/constants.hpp< / a > > need to be included to use these features. < / p >
< h2 class = "groupheader" > Function Documentation< / h2 >
< a class = "anchor" id = "ga1cebaa574cc7c9018ccefbde3f174db5" > < / a >
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< tr >
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< td class = "memname" > GLM_CONSTEXPR T glm::e < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< / tr >
< / table >
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< / div > < div class = "memdoc" >
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< p > Return e constant. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "ga2b53267cfa3c8aa96c02cdba04c53ef5" > < / a >
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< tr >
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< td class = "memname" > GLM_CONSTEXPR T glm::epsilon < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< / tr >
< / table >
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< p > Return the epsilon constant for floating point types. < / p >
< dl class = "todo" > < dt > < b > < a class = "el" href = "a00215.html#_todo000007" > Todo:< / a > < / b > < / dt > < dd > Implement epsilon for half-precision floating point type. < / dd > < / dl >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::euler < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return Euler's constant. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::golden_ratio < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< / div > < div class = "memdoc" >
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< p > Return the golden ratio constant. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::half_pi < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< / div > < div class = "memdoc" >
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< p > Return pi / 2. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::ln_ln_two < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< / div > < div class = "memdoc" >
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< p > Return ln(ln(2)). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::ln_ten < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return ln(10). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::ln_two < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return ln(2). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::one < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return 1. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::one_over_pi < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return 1 / pi. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::one_over_root_two < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return 1 / sqrt(2). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::pi < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< / div > < div class = "memdoc" >
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< p > Return the pi constant. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::quarter_pi < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return pi / 4. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::root_five < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return sqrt(5). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::root_half_pi < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return sqrt(pi / 2). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::root_ln_four < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return sqrt(ln(4)). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::root_pi < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return square root of pi. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::root_three < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return sqrt(3). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::root_two < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return sqrt(2). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::root_two_pi < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return sqrt(2 * pi). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::third < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return 1 / 3. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::two_over_pi < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< p > Return 2 / pi. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< td class = "memname" > GLM_CONSTEXPR T glm::two_over_root_pi < / td >
< td > (< / td >
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< p > Return 2 / sqrt(pi). < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< a class = "anchor" id = "ga284e20e3e55ffbd5b19d16054bbe2098" > < / a >
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > GLM_CONSTEXPR T glm::two_thirds < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< / div > < div class = "memdoc" >
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< p > Return 2 / 3. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< / div >
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< div class = "memitem" >
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< td class = "memname" > GLM_CONSTEXPR T glm::zero < / td >
< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
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< / div > < div class = "memdoc" >
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< p > Return 0. < / p >
< dl class = "section see" > < dt > See Also< / dt > < dd > < a class = "el" href = "a00145.html" title = "Allow to perform bit operations on integer values." > GLM_GTC_constants< / a > < / dd > < / dl >
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< / a > 1.8.2
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