sockscape/include/client/glm/detail/func_trigonometric.inl
2018-08-14 10:28:14 -05:00

200 lines
5.2 KiB
C++

/// @ref core
/// @file glm/detail/func_trigonometric.inl
#include "_vectorize.hpp"
#include <cmath>
#include <limits>
namespace glm
{
// radians
template<typename genType>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType radians(genType degrees)
{
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'radians' only accept floating-point input");
return degrees * static_cast<genType>(0.01745329251994329576923690768489);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, T, Q> radians(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(radians, v);
}
// degrees
template<typename genType>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR genType degrees(genType radians)
{
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'degrees' only accept floating-point input");
return radians * static_cast<genType>(57.295779513082320876798154814105);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, T, Q> degrees(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(degrees, v);
}
// sin
using ::std::sin;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> sin(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(sin, v);
}
// cos
using std::cos;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> cos(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(cos, v);
}
// tan
using std::tan;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> tan(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(tan, v);
}
// asin
using std::asin;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> asin(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(asin, v);
}
// acos
using std::acos;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> acos(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(acos, v);
}
// atan
template<typename genType>
GLM_FUNC_QUALIFIER genType atan(genType y, genType x)
{
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'atan' only accept floating-point input");
return ::std::atan2(y, x);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> atan(vec<L, T, Q> const& a, vec<L, T, Q> const& b)
{
return detail::functor2<vec, L, T, Q>::call(::std::atan2, a, b);
}
using std::atan;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> atan(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(atan, v);
}
// sinh
using std::sinh;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> sinh(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(sinh, v);
}
// cosh
using std::cosh;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> cosh(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(cosh, v);
}
// tanh
using std::tanh;
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> tanh(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(tanh, v);
}
// asinh
# if GLM_HAS_CXX11_STL
using std::asinh;
# else
template<typename genType>
GLM_FUNC_QUALIFIER genType asinh(genType x)
{
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'asinh' only accept floating-point input");
return (x < static_cast<genType>(0) ? static_cast<genType>(-1) : (x > static_cast<genType>(0) ? static_cast<genType>(1) : static_cast<genType>(0))) * log(std::abs(x) + sqrt(static_cast<genType>(1) + x * x));
}
# endif
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> asinh(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(asinh, v);
}
// acosh
# if GLM_HAS_CXX11_STL
using std::acosh;
# else
template<typename genType>
GLM_FUNC_QUALIFIER genType acosh(genType x)
{
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'acosh' only accept floating-point input");
if(x < static_cast<genType>(1))
return static_cast<genType>(0);
return log(x + sqrt(x * x - static_cast<genType>(1)));
}
# endif
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> acosh(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(acosh, v);
}
// atanh
# if GLM_HAS_CXX11_STL
using std::atanh;
# else
template<typename genType>
GLM_FUNC_QUALIFIER genType atanh(genType x)
{
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'atanh' only accept floating-point input");
if(std::abs(x) >= static_cast<genType>(1))
return 0;
return static_cast<genType>(0.5) * log((static_cast<genType>(1) + x) / (static_cast<genType>(1) - x));
}
# endif
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<L, T, Q> atanh(vec<L, T, Q> const& v)
{
return detail::functor1<vec, L, T, T, Q>::call(atanh, v);
}
}//namespace glm
#if GLM_CONFIG_SIMD == GLM_ENABLE
# include "func_trigonometric_simd.inl"
#endif