ulp.hpp

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#pragma once

// Dependencies
#include "../detail/setup.hpp"
#include "../detail/qualifier.hpp"
#include "../detail/_vectorize.hpp"
#include "../ext/scalar_int_sized.hpp"

#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
#       pragma message("GLM: GLM_GTC_ulp extension included")
#endif

namespace glm
{
        template<typename genType>
        GLM_FUNC_DECL genType next_float(genType x);

        template<typename genType>
        GLM_FUNC_DECL genType prev_float(genType x);

        template<typename genType>
        GLM_FUNC_DECL genType next_float(genType x, int ULPs);

        template<typename genType>
        GLM_FUNC_DECL genType prev_float(genType x, int ULPs);

        GLM_FUNC_DECL int float_distance(float x, float y);

        GLM_FUNC_DECL int64 float_distance(double x, double y);

        template<length_t L, typename T, qualifier Q>
        GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x);

        template<length_t L, typename T, qualifier Q>
        GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x, int ULPs);

        template<length_t L, typename T, qualifier Q>
        GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x, vec<L, int, Q> const& ULPs);

        template<length_t L, typename T, qualifier Q>
        GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x);

        template<length_t L, typename T, qualifier Q>
        GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x, int ULPs);

        template<length_t L, typename T, qualifier Q>
        GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x, vec<L, int, Q> const& ULPs);

        template<length_t L, typename T, qualifier Q>
        GLM_FUNC_DECL vec<L, int, Q> float_distance(vec<L, float, Q> const& x, vec<L, float, Q> const& y);

        template<length_t L, typename T, qualifier Q>
        GLM_FUNC_DECL vec<L, int64, Q> float_distance(vec<L, double, Q> const& x, vec<L, double, Q> const& y);

}//namespace glm

#include "ulp.inl"