180 lines
4 KiB
C++
180 lines
4 KiB
C++
/// @ref gtc_constants
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#include <limits>
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namespace glm
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{
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType epsilon()
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{
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return std::numeric_limits<genType>::epsilon();
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType zero()
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{
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return genType(0);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType one()
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{
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return genType(1);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType pi()
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{
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return genType(3.14159265358979323846264338327950288);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType two_pi()
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{
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return genType(6.28318530717958647692528676655900576);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType root_pi()
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{
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return genType(1.772453850905516027);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType half_pi()
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{
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return genType(1.57079632679489661923132169163975144);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType three_over_two_pi()
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{
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return genType(4.71238898038468985769396507491925432);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType quarter_pi()
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{
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return genType(0.785398163397448309615660845819875721);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType one_over_pi()
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{
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return genType(0.318309886183790671537767526745028724);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType one_over_two_pi()
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{
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return genType(0.159154943091895335768883763372514362);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType two_over_pi()
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{
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return genType(0.636619772367581343075535053490057448);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType four_over_pi()
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{
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return genType(1.273239544735162686151070106980114898);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType two_over_root_pi()
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{
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return genType(1.12837916709551257389615890312154517);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType one_over_root_two()
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{
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return genType(0.707106781186547524400844362104849039);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType root_half_pi()
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{
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return genType(1.253314137315500251);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType root_two_pi()
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{
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return genType(2.506628274631000502);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType root_ln_four()
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{
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return genType(1.17741002251547469);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType e()
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{
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return genType(2.71828182845904523536);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType euler()
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{
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return genType(0.577215664901532860606);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType root_two()
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{
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return genType(1.41421356237309504880168872420969808);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType root_three()
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{
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return genType(1.73205080756887729352744634150587236);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType root_five()
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{
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return genType(2.23606797749978969640917366873127623);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType ln_two()
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{
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return genType(0.693147180559945309417232121458176568);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType ln_ten()
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{
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return genType(2.30258509299404568401799145468436421);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType ln_ln_two()
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{
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return genType(-0.3665129205816643);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType third()
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{
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return genType(0.3333333333333333333333333333333333333333);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType two_thirds()
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{
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return genType(0.666666666666666666666666666666666666667);
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}
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template<typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType golden_ratio()
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{
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return genType(1.61803398874989484820458683436563811);
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}
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} //namespace glm
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