epsilon.inl

 
 
// Dependency:
#include "../vector_relational.hpp"
#include "../common.hpp"
 
namespace glm
{
    template<>
    GLM_FUNC_QUALIFIER bool epsilonEqual
    (
        float const& x,
        float const& y,
        float const& epsilon
    )
    {
        return abs(x - y) < epsilon;
    }
 
    template<>
    GLM_FUNC_QUALIFIER bool epsilonEqual
    (
        double const& x,
        double const& y,
        double const& epsilon
    )
    {
        return abs(x - y) < epsilon;
    }
 
    template<length_t L, typename T, qualifier Q>
    GLM_FUNC_QUALIFIER vec<L, bool, Q> epsilonEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, T const& epsilon)
    {
        return lessThan(abs(x - y), vec<L, T, Q>(epsilon));
    }
 
    template<length_t L, typename T, qualifier Q>
    GLM_FUNC_QUALIFIER vec<L, bool, Q> epsilonEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& epsilon)
    {
        return lessThan(abs(x - y), vec<L, T, Q>(epsilon));
    }
 
    template<>
    GLM_FUNC_QUALIFIER bool epsilonNotEqual(float const& x, float const& y, float const& epsilon)
    {
        return abs(x - y) >= epsilon;
    }
 
    template<>
    GLM_FUNC_QUALIFIER bool epsilonNotEqual(double const& x, double const& y, double const& epsilon)
    {
        return abs(x - y) >= epsilon;
    }
 
    template<length_t L, typename T, qualifier Q>
    GLM_FUNC_QUALIFIER vec<L, bool, Q> epsilonNotEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, T const& epsilon)
    {
        return greaterThanEqual(abs(x - y), vec<L, T, Q>(epsilon));
    }
 
    template<length_t L, typename T, qualifier Q>
    GLM_FUNC_QUALIFIER vec<L, bool, Q> epsilonNotEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& epsilon)
    {
        return greaterThanEqual(abs(x - y), vec<L, T, Q>(epsilon));
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER vec<4, bool, Q> epsilonEqual(qua<T, Q> const& x, qua<T, Q> const& y, T const& epsilon)
    {
        vec<4, T, Q> v(x.x - y.x, x.y - y.y, x.z - y.z, x.w - y.w);
        return lessThan(abs(v), vec<4, T, Q>(epsilon));
    }
 
    template<typename T, qualifier Q>
    GLM_FUNC_QUALIFIER vec<4, bool, Q> epsilonNotEqual(qua<T, Q> const& x, qua<T, Q> const& y, T const& epsilon)
    {
        vec<4, T, Q> v(x.x - y.x, x.y - y.y, x.z - y.z, x.w - y.w);
        return greaterThanEqual(abs(v), vec<4, T, Q>(epsilon));
    }
}//namespace glm