113 lines
3.0 KiB
C++
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
|