| /////////////////////////////////////////////////////////////////////////////////// |
| /// 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 core |
| /// @file glm/core/func_trigonometric.inl |
| /// @date 2008-08-03 / 2011-06-15 |
| /// @author Christophe Riccio |
| /////////////////////////////////////////////////////////////////////////////////// |
| |
| #include "_vectorize.hpp" |
| #include <cmath> |
| #include <limits> |
| |
| namespace glm |
| { |
| // radians |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType radians |
| ( |
| genType const & degrees |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'radians' only accept floating-point input"); |
| |
| return degrees * genType(0.01745329251994329576923690768489); |
| } |
| |
| VECTORIZE_VEC(radians) |
| |
| // degrees |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType degrees |
| ( |
| genType const & radians |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'degrees' only accept floating-point input"); |
| |
| return radians * genType(57.295779513082320876798154814105); |
| } |
| |
| VECTORIZE_VEC(degrees) |
| |
| // sin |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType sin |
| ( |
| genType const & angle |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'sin' only accept floating-point input"); |
| |
| return genType(::std::sin(angle)); |
| } |
| |
| VECTORIZE_VEC(sin) |
| |
| // cos |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType cos(genType const & angle) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'cos' only accept floating-point input"); |
| |
| return genType(::std::cos(angle)); |
| } |
| |
| VECTORIZE_VEC(cos) |
| |
| // tan |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType tan |
| ( |
| genType const & angle |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'tan' only accept floating-point input"); |
| |
| return genType(::std::tan(angle)); |
| } |
| |
| VECTORIZE_VEC(tan) |
| |
| // asin |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType asin |
| ( |
| genType const & x |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'asin' only accept floating-point input"); |
| |
| return genType(::std::asin(x)); |
| } |
| |
| VECTORIZE_VEC(asin) |
| |
| // acos |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType acos |
| ( |
| genType const & x |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'acos' only accept floating-point input"); |
| |
| return genType(::std::acos(x)); |
| } |
| |
| VECTORIZE_VEC(acos) |
| |
| // atan |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType atan |
| ( |
| genType const & y, |
| genType const & x |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'atan' only accept floating-point input"); |
| |
| return genType(::std::atan2(y, x)); |
| } |
| |
| VECTORIZE_VEC_VEC(atan) |
| |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType atan |
| ( |
| genType const & x |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'atan' only accept floating-point input"); |
| |
| return genType(::std::atan(x)); |
| } |
| |
| VECTORIZE_VEC(atan) |
| |
| // sinh |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType sinh |
| ( |
| genType const & angle |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'sinh' only accept floating-point input"); |
| |
| return genType(std::sinh(angle)); |
| } |
| |
| VECTORIZE_VEC(sinh) |
| |
| // cosh |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType cosh |
| ( |
| genType const & angle |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'cosh' only accept floating-point input"); |
| |
| return genType(std::cosh(angle)); |
| } |
| |
| VECTORIZE_VEC(cosh) |
| |
| // tanh |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType tanh |
| ( |
| genType const & angle |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'tanh' only accept floating-point input"); |
| |
| return genType(std::tanh(angle)); |
| } |
| |
| VECTORIZE_VEC(tanh) |
| |
| // asinh |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType asinh |
| ( |
| genType const & x |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'asinh' only accept floating-point input"); |
| |
| return (x < genType(0) ? genType(-1) : (x > genType(0) ? genType(1) : genType(0))) * log(abs(x) + sqrt(genType(1) + x * x)); |
| } |
| |
| VECTORIZE_VEC(asinh) |
| |
| // acosh |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType acosh |
| ( |
| genType const & x |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'acosh' only accept floating-point input"); |
| |
| if(x < genType(1)) |
| return genType(0); |
| return log(x + sqrt(x * x - genType(1))); |
| } |
| |
| VECTORIZE_VEC(acosh) |
| |
| // atanh |
| template <typename genType> |
| GLM_FUNC_QUALIFIER genType atanh |
| ( |
| genType const & x |
| ) |
| { |
| GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'atanh' only accept floating-point input"); |
| |
| if(abs(x) >= genType(1)) |
| return 0; |
| return genType(0.5) * log((genType(1) + x) / (genType(1) - x)); |
| } |
| |
| VECTORIZE_VEC(atanh) |
| |
| }//namespace glm |