common.inl

 
 
#include <cmath>
#include "../gtc/epsilon.hpp"
#include "../gtc/constants.hpp"
 
namespace glm{
namespace detail
{
    template<length_t L, typename T, qualifier Q, bool isFloat = true>
    struct compute_fmod
    {
        GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& a, vec<L, T, Q> const& b)
        {
            return detail::functor2<vec, L, T, Q>::call(std::fmod, a, b);
        }
    };
 
    template<length_t L, typename T, qualifier Q>
    struct compute_fmod<L, T, Q, false>
    {
        GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& a, vec<L, T, Q> 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 epsilonNotEqual(x, static_cast<T>(0), epsilon<T>()) && std::fabs(x) < std::numeric_limits<T>::min();
#       endif
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER typename vec<1, T, Q>::bool_type isdenormal
    (
        vec<1, T, Q> const& x
    )
    {
        GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
 
        return typename vec<1, T, Q>::bool_type(
            isdenormal(x.x));
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER typename vec<2, T, Q>::bool_type isdenormal
    (
        vec<2, T, Q> const& x
    )
    {
        GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
 
        return typename vec<2, T, Q>::bool_type(
            isdenormal(x.x),
            isdenormal(x.y));
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER typename vec<3, T, Q>::bool_type isdenormal
    (
        vec<3, T, Q> const& x
    )
    {
        GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
 
        return typename vec<3, T, Q>::bool_type(
            isdenormal(x.x),
            isdenormal(x.y),
            isdenormal(x.z));
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER typename vec<4, T, Q>::bool_type isdenormal
    (
        vec<4, T, Q> const& x
    )
    {
        GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
 
        return typename vec<4, T, Q>::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(vec<1, genType>(x), y).x;
    }
 
    template<length_t L, typename T, qualifier Q>
    GLM_FUNC_QUALIFIER vec<L, T, Q> fmod(vec<L, T, Q> const& x, T y)
    {
        return detail::compute_fmod<L, T, Q, std::numeric_limits<T>::is_iec559>::call(x, vec<L, T, Q>(y));
    }
 
    template<length_t L, typename T, qualifier Q>
    GLM_FUNC_QUALIFIER vec<L, T, Q> fmod(vec<L, T, Q> const& x, vec<L, T, Q> const& y)
    {
        return detail::compute_fmod<L, T, Q, std::numeric_limits<T>::is_iec559>::call(x, y);
    }
 
    template <length_t L, typename T, qualifier Q>
    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)
    {
        return greaterThan(Value, Min) && lessThan(Value, Max);
    }
 
    template <length_t L, typename T, qualifier Q>
    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)
    {
        return greaterThanEqual(Value, Min) && lessThanEqual(Value, Max);
    }
}//namespace glm