/* * Copyright (C) 2021 Christopher J. Howard * * This file is part of Antkeeper source code. * * Antkeeper source code is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Antkeeper source code is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Antkeeper source code. If not, see . */ #ifndef ANTKEEPER_MATH_CONSTANTS_HPP #define ANTKEEPER_MATH_CONSTANTS_HPP #include "math/matrix-type.hpp" #include "math/quaternion-type.hpp" #include "math/transform-type.hpp" namespace math { /// Pi. template constexpr T pi = T(3.1415926535897932384626433832795); /// Pi * 2. template constexpr T two_pi = pi * T(2); /// Pi * 4. template constexpr T four_pi = pi * T(4); /// Pi / 2. template constexpr T half_pi = pi * T(0.5); /// 1 / Pi. template constexpr T inverse_pi = T(1) / pi; } // namespace math #endif // ANTKEEPER_MATH_CONSTANTS_HPP