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Diffstat (limited to 'Project/glm/ext/scalar_relational.inl')
-rw-r--r-- | Project/glm/ext/scalar_relational.inl | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Project/glm/ext/scalar_relational.inl b/Project/glm/ext/scalar_relational.inl new file mode 100644 index 0000000..c85583e --- /dev/null +++ b/Project/glm/ext/scalar_relational.inl @@ -0,0 +1,40 @@ +#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 |