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