/////////////////////////////////////////////////////////////////////////////////// /// OpenGL Mathematics (glm.g-truc.net) /// /// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net) /// Permission is hereby granted, free of charge, to any person obtaining a copy /// of this software and associated documentation files (the "Software"), to deal /// in the Software without restriction, including without limitation the rights /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell /// copies of the Software, and to permit persons to whom the Software is /// furnished to do so, subject to the following conditions: /// /// The above copyright notice and this permission notice shall be included in /// all copies or substantial portions of the Software. /// /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN /// THE SOFTWARE. /// /// @ref gtx_constants /// @file glm/gtx/constants.inl /// @date 2011-10-14 / 2012-01-25 /// @author Christophe Riccio /////////////////////////////////////////////////////////////////////////////////// #include <limits> namespace glm { template <typename genType> GLM_FUNC_QUALIFIER genType epsilon() { return std::numeric_limits<genType>::epsilon(); } template <typename genType> GLM_FUNC_QUALIFIER genType zero() { return genType(0); } template <typename genType> GLM_FUNC_QUALIFIER genType one() { return genType(1); } template <typename genType> GLM_FUNC_QUALIFIER genType pi() { return genType(3.14159265358979323846264338327950288); } template <typename genType> GLM_FUNC_QUALIFIER genType root_pi() { return genType(1.772453850905516027); } template <typename genType> GLM_FUNC_QUALIFIER genType half_pi() { return genType(1.57079632679489661923132169163975144); } template <typename genType> GLM_FUNC_QUALIFIER genType quarter_pi() { return genType(0.785398163397448309615660845819875721); } template <typename genType> GLM_FUNC_QUALIFIER genType one_over_pi() { return genType(0.318309886183790671537767526745028724); } template <typename genType> GLM_FUNC_QUALIFIER genType two_over_pi() { return genType(0.636619772367581343075535053490057448); } template <typename genType> GLM_FUNC_QUALIFIER genType two_over_root_pi() { return genType(1.12837916709551257389615890312154517); } template <typename genType> GLM_FUNC_QUALIFIER genType one_over_root_two() { return genType(0.707106781186547524400844362104849039); } template <typename genType> GLM_FUNC_QUALIFIER genType root_half_pi() { return genType(1.253314137315500251); } template <typename genType> GLM_FUNC_QUALIFIER genType root_two_pi() { return genType(2.506628274631000502); } template <typename genType> GLM_FUNC_QUALIFIER genType root_ln_four() { return genType(1.17741002251547469); } template <typename genType> GLM_FUNC_QUALIFIER genType e() { return genType(2.71828182845904523536); } template <typename genType> GLM_FUNC_QUALIFIER genType euler() { return genType(0.577215664901532860606); } template <typename genType> GLM_FUNC_QUALIFIER genType root_two() { return genType(1.41421356237309504880168872420969808); } template <typename genType> GLM_FUNC_QUALIFIER genType root_three() { return genType(1.73205080756887729352744634150587236); } template <typename genType> GLM_FUNC_QUALIFIER genType root_five() { return genType(2.23606797749978969640917366873127623); } template <typename genType> GLM_FUNC_QUALIFIER genType ln_two() { return genType(0.693147180559945309417232121458176568); } template <typename genType> GLM_FUNC_QUALIFIER genType ln_ten() { return genType(2.30258509299404568401799145468436421); } template <typename genType> GLM_FUNC_QUALIFIER genType ln_ln_two() { return genType(-0.3665129205816643); } template <typename genType> GLM_FUNC_QUALIFIER genType third() { return genType(0.3333333333333333333333333333333333333333); } template <typename genType> GLM_FUNC_QUALIFIER genType two_thirds() { return genType(0.666666666666666666666666666666666666667); } template <typename genType> GLM_FUNC_QUALIFIER genType golden_ratio() { return genType(1.61803398874989484820458683436563811); } } //namespace glm