GRK/cw 3/dependencies/glm/gtx/common.inl
secret_dude a7bd7ecb75 master
2022-01-12 16:07:16 +01:00

113 lines
3.0 KiB
C++

/// @ref gtx_common
/// @file glm/gtx/common.inl
#include <cmath>
namespace glm{
namespace detail
{
template <typename T, precision P, template <class, precision> class vecType, bool isFloat = true>
struct compute_fmod
{
GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, vecType<T, P> const & b)
{
return detail::functor2<T, P, vecType>::call(std::fmod, a, b);
}
};
template <typename T, precision P, template <class, precision> class vecType>
struct compute_fmod<T, P, vecType, false>
{
GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, vecType<T, P> const & b)
{
return a % b;
}
};
}//namespace detail
template <typename T>
GLM_FUNC_QUALIFIER bool isdenormal(T const & x)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
# if GLM_HAS_CXX11_STL
return std::fpclassify(x) == FP_SUBNORMAL;
# else
return x != static_cast<T>(0) && std::fabs(x) < std::numeric_limits<T>::min();
# endif
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER typename tvec1<T, P>::bool_type isdenormal
(
tvec1<T, P> const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
return typename tvec1<T, P>::bool_type(
isdenormal(x.x));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER typename tvec2<T, P>::bool_type isdenormal
(
tvec2<T, P> const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
return typename tvec2<T, P>::bool_type(
isdenormal(x.x),
isdenormal(x.y));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER typename tvec3<T, P>::bool_type isdenormal
(
tvec3<T, P> const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
return typename tvec3<T, P>::bool_type(
isdenormal(x.x),
isdenormal(x.y),
isdenormal(x.z));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER typename tvec4<T, P>::bool_type isdenormal
(
tvec4<T, P> const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
return typename tvec4<T, P>::bool_type(
isdenormal(x.x),
isdenormal(x.y),
isdenormal(x.z),
isdenormal(x.w));
}
// fmod
template <typename genType>
GLM_FUNC_QUALIFIER genType fmod(genType x, genType y)
{
return fmod(tvec1<genType>(x), y).x;
}
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER vecType<T, P> fmod(vecType<T, P> const & x, T y)
{
return detail::compute_fmod<T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, vecType<T, P>(y));
}
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_QUALIFIER vecType<T, P> fmod(vecType<T, P> const & x, vecType<T, P> const & y)
{
return detail::compute_fmod<T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, y);
}
}//namespace glm