126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
/// @ref gtx_common
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#include <cmath>
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#include "../gtc/epsilon.hpp"
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#include "../gtc/constants.hpp"
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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, qualifier Q, bool isFloat = true>
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struct compute_fmod
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{
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GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& a, vec<L, T, Q> const& b)
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{
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return detail::functor2<vec, L, T, Q>::call(std::fmod, a, b);
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}
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};
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template<length_t L, typename T, qualifier Q>
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struct compute_fmod<L, T, Q, false>
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{
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GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& a, vec<L, T, Q> 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 epsilonNotEqual(x, static_cast<T>(0), epsilon<T>()) && std::fabs(x) < std::numeric_limits<T>::min();
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# endif
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}
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template<typename T, qualifier Q>
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GLM_FUNC_QUALIFIER typename vec<1, T, Q>::bool_type isdenormal
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(
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vec<1, T, Q> 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, Q>::bool_type(
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isdenormal(x.x));
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}
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template<typename T, qualifier Q>
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GLM_FUNC_QUALIFIER typename vec<2, T, Q>::bool_type isdenormal
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(
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vec<2, T, Q> 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, Q>::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, qualifier Q>
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GLM_FUNC_QUALIFIER typename vec<3, T, Q>::bool_type isdenormal
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(
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vec<3, T, Q> 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, Q>::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, qualifier Q>
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GLM_FUNC_QUALIFIER typename vec<4, T, Q>::bool_type isdenormal
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(
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vec<4, T, Q> 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, Q>::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, qualifier Q>
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GLM_FUNC_QUALIFIER vec<L, T, Q> fmod(vec<L, T, Q> const& x, T y)
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{
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return detail::compute_fmod<L, T, Q, std::numeric_limits<T>::is_iec559>::call(x, vec<L, T, Q>(y));
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}
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template<length_t L, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER vec<L, T, Q> fmod(vec<L, T, Q> const& x, vec<L, T, Q> const& y)
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{
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return detail::compute_fmod<L, T, Q, std::numeric_limits<T>::is_iec559>::call(x, y);
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}
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template <length_t L, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER vec<L, bool, Q> openBounded(vec<L, T, Q> const& Value, vec<L, T, Q> const& Min, vec<L, T, Q> const& Max)
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{
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return greaterThan(Value, Min) && lessThan(Value, Max);
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}
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template <length_t L, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER vec<L, bool, Q> closeBounded(vec<L, T, Q> const& Value, vec<L, T, Q> const& Min, vec<L, T, Q> const& Max)
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{
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return greaterThanEqual(Value, Min) && lessThanEqual(Value, Max);
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}
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}//namespace glm
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