dependencies/glm/GLM/ext/vector_relational.inl

76 lines
2.4 KiB
Plaintext
Raw Normal View History

2022-02-28 19:03:15 +00:00
#include "../vector_relational.hpp"
#include "../common.hpp"
#include "../detail/qualifier.hpp"
#include "../detail/type_float.hpp"
namespace glm
{
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, bool, Q> equal(vec<L, T, Q> const& x, vec<L, T, Q> const& y, T Epsilon)
{
return equal(x, y, vec<L, T, Q>(Epsilon));
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, bool, Q> equal(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& Epsilon)
{
return lessThanEqual(abs(x - y), Epsilon);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, bool, Q> notEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, T Epsilon)
{
return notEqual(x, y, vec<L, T, Q>(Epsilon));
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, bool, Q> notEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& Epsilon)
{
return greaterThan(abs(x - y), Epsilon);
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, bool, Q> equal(vec<L, T, Q> const& x, vec<L, T, Q> const& y, int MaxULPs)
{
return equal(x, y, vec<L, int, Q>(MaxULPs));
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, bool, Q> equal(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, int, Q> const& MaxULPs)
{
vec<L, bool, Q> Result(false);
for(length_t i = 0; i < L; ++i)
{
detail::float_t<T> const a(x[i]);
detail::float_t<T> const b(y[i]);
// Different signs means they do not match.
if(a.negative() != b.negative())
{
// Check for equality to make sure +0==-0
Result[i] = a.mantissa() == b.mantissa() && a.exponent() == b.exponent();
}
else
{
// Find the difference in ULPs.
typename detail::float_t<T>::int_type const DiffULPs = abs(a.i - b.i);
Result[i] = DiffULPs <= MaxULPs[i];
}
}
return Result;
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, bool, Q> notEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, int MaxULPs)
{
return notEqual(x, y, vec<L, int, Q>(MaxULPs));
}
template<length_t L, typename T, qualifier Q>
GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, bool, Q> notEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, int, Q> const& MaxULPs)
{
return not_(equal(x, y, MaxULPs));
}
}//namespace glm