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