142 lines
4.5 KiB
C++
142 lines
4.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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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 gtx_common
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/// @file glm/gtx/common.inl
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/// @date 2014-09-08 / 2014-09-08
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include <cmath>
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namespace glm{
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namespace detail
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{
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template <typename T, precision P, template <class, precision> class vecType, bool isFloat = true>
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struct compute_fmod
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{
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GLM_FUNC_QUALIFIER static vecType<T, P> call(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(std::fmod, a, b);
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}
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};
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template <typename T, precision P, template <class, precision> class vecType>
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struct compute_fmod<T, P, vecType, false>
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{
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GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, vecType<T, P> const & b)
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{
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return a % b;
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}
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};
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}//namespace detail
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template <typename T>
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GLM_FUNC_QUALIFIER bool isdenormal(T const & x)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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# if GLM_HAS_CXX11_STL
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return std::fpclassify(x) == FP_SUBNORMAL;
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# else
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return x != static_cast<T>(0) && std::fabs(x) < std::numeric_limits<T>::min();
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# endif
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER typename tvec1<T, P>::bool_type isdenormal
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(
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tvec1<T, P> const & x
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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return typename tvec1<T, P>::bool_type(
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isdenormal(x.x));
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER typename tvec2<T, P>::bool_type isdenormal
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(
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tvec2<T, P> const & x
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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return typename tvec2<T, P>::bool_type(
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isdenormal(x.x),
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isdenormal(x.y));
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER typename tvec3<T, P>::bool_type isdenormal
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(
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tvec3<T, P> const & x
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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return typename tvec3<T, P>::bool_type(
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isdenormal(x.x),
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isdenormal(x.y),
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isdenormal(x.z));
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER typename tvec4<T, P>::bool_type isdenormal
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(
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tvec4<T, P> const & x
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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return typename tvec4<T, P>::bool_type(
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isdenormal(x.x),
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isdenormal(x.y),
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isdenormal(x.z),
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isdenormal(x.w));
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}
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// fmod
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template <typename genType>
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GLM_FUNC_QUALIFIER genType fmod(genType x, genType y)
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{
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return fmod(tvec1<genType>(x), 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> fmod(vecType<T, P> const & x, T y)
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{
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return detail::compute_fmod<T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, vecType<T, P>(y));
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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> fmod(vecType<T, P> const & x, vecType<T, P> const & y)
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{
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return detail::compute_fmod<T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, y);
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}
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}//namespace glm
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