scalar_relational.inl

#include "../common.hpp"
#include "../ext/scalar_int_sized.hpp"
#include "../ext/scalar_uint_sized.hpp"
#include "../detail/type_float.hpp"
 
namespace glm
{
    template<typename genType>
    GLM_FUNC_QUALIFIER GLM_CONSTEXPR bool equal(genType const& x, genType const& y, genType const& epsilon)
    {
        return abs(x - y) <= epsilon;
    }
 
    template<typename genType>
    GLM_FUNC_QUALIFIER GLM_CONSTEXPR bool notEqual(genType const& x, genType const& y, genType const& epsilon)
    {
        return abs(x - y) > epsilon;
    }
 
    template<typename genType>
    GLM_FUNC_QUALIFIER GLM_CONSTEXPR bool equal(genType const& x, genType const& y, int MaxULPs)
    {
        detail::float_t<genType> const a(x);
        detail::float_t<genType> const b(y);
 
        // Different signs means they do not match.
        if(a.negative() != b.negative())
            return false;
 
        // Find the difference in ULPs.
        typename detail::float_t<genType>::int_type const DiffULPs = abs(a.i - b.i);
        return DiffULPs <= MaxULPs;
    }
 
    template<typename genType>
    GLM_FUNC_QUALIFIER GLM_CONSTEXPR bool notEqual(genType const& x, genType const& y, int ULPs)
    {
        return !equal(x, y, ULPs);
    }
}//namespace glm