225 lines
7.2 KiB
Plaintext
225 lines
7.2 KiB
Plaintext
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///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref core
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/// @file glm/detail/func_trigonometric.inl
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/// @date 2008-08-03 / 2011-06-15
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include "_vectorize.hpp"
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#include <cmath>
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#include <limits>
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namespace glm
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{
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// radians
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template <typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType radians(genType degrees)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'radians' only accept floating-point input");
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return degrees * static_cast<genType>(0.01745329251994329576923690768489);
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}
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR vecType<T, P> radians(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(radians, v);
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}
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// degrees
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template <typename genType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType degrees(genType radians)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'degrees' only accept floating-point input");
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return radians * static_cast<genType>(57.295779513082320876798154814105);
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}
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER GLM_CONSTEXPR vecType<T, P> degrees(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(degrees, v);
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}
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// sin
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using ::std::sin;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> sin(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(sin, v);
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}
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// cos
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using std::cos;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> cos(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(cos, v);
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}
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// tan
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using std::tan;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> tan(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(tan, v);
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}
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// asin
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using std::asin;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> asin(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(asin, v);
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}
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// acos
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using std::acos;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> acos(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(acos, v);
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}
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// atan
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template <typename genType>
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GLM_FUNC_QUALIFIER genType atan(genType const & y, genType const & x)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'atan' only accept floating-point input");
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return ::std::atan2(y, x);
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}
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> atan(vecType<T, P> const & a, vecType<T, P> const & b)
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{
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return detail::functor2<T, P, vecType>::call(atan2, a, b);
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}
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using std::atan;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> atan(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(atan, v);
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}
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// sinh
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using std::sinh;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> sinh(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(sinh, v);
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}
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// cosh
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using std::cosh;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> cosh(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(cosh, v);
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}
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// tanh
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using std::tanh;
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> tanh(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(tanh, v);
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}
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// asinh
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# if GLM_HAS_CXX11_STL
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using std::asinh;
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# else
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template <typename genType>
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GLM_FUNC_QUALIFIER genType asinh(genType const & x)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'asinh' only accept floating-point input");
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return (x < static_cast<genType>(0) ? static_cast<genType>(-1) : (x > static_cast<genType>(0) ? static_cast<genType>(1) : static_cast<genType>(0))) * log(std::abs(x) + sqrt(static_cast<genType>(1) + x * x));
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}
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# endif
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> asinh(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(asinh, v);
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}
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// acosh
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# if GLM_HAS_CXX11_STL
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using std::acosh;
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# else
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template <typename genType>
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GLM_FUNC_QUALIFIER genType acosh(genType const & x)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'acosh' only accept floating-point input");
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if(x < static_cast<genType>(1))
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return static_cast<genType>(0);
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return log(x + sqrt(x * x - static_cast<genType>(1)));
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}
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# endif
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> acosh(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(acosh, v);
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}
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// atanh
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# if GLM_HAS_CXX11_STL
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using std::atanh;
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# else
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template <typename genType>
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GLM_FUNC_QUALIFIER genType atanh(genType const & x)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'atanh' only accept floating-point input");
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if(std::abs(x) >= static_cast<genType>(1))
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return 0;
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return static_cast<genType>(0.5) * log((static_cast<genType>(1) + x) / (static_cast<genType>(1) - x));
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}
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# endif
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<T, P> atanh(vecType<T, P> const & v)
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{
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return detail::functor1<T, T, P, vecType>::call(atanh, v);
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}
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}//namespace glm
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