113 lines
3.1 KiB
Plaintext
113 lines
3.1 KiB
Plaintext
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/// @ref gtx_common
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/// @file glm/gtx/common.inl
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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<length_t L, typename T, precision P, template<length_t, typename, 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<L, T, P> call(vecType<L, T, P> const & a, vecType<L, T, P> const & b)
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{
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return detail::functor2<L, T, P>::call(std::fmod, a, b);
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}
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};
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template<length_t L, typename T, precision P, template<length_t, typename, precision> class vecType>
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struct compute_fmod<L, T, P, vecType, false>
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{
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GLM_FUNC_QUALIFIER static vecType<L, T, P> call(vecType<L, T, P> const & a, vecType<L, 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 vec<1, T, P>::bool_type isdenormal
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(
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vec<1, 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 vec<1, 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 vec<2, T, P>::bool_type isdenormal
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(
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vec<2, 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 vec<2, 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 vec<3, T, P>::bool_type isdenormal
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(
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vec<3, 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 vec<3, 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 vec<4, T, P>::bool_type isdenormal
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(
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vec<4, 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 vec<4, 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(vec<1, genType>(x), y).x;
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}
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template<length_t L, typename T, precision P, template<length_t, typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<L, T, P> fmod(vecType<L, T, P> const & x, T y)
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{
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return detail::compute_fmod<L, T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, vecType<L, T, P>(y));
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}
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template<length_t L, typename T, precision P, template<length_t, typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<L, T, P> fmod(vecType<L, T, P> const & x, vecType<L, T, P> const & y)
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{
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return detail::compute_fmod<L, 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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