| 1 | /// @ref gtc_epsilon |
| 2 | |
| 3 | // Dependency: |
| 4 | #include "../vector_relational.hpp" |
| 5 | #include "../common.hpp" |
| 6 | |
| 7 | namespace glm |
| 8 | { |
| 9 | template<> |
| 10 | GLM_FUNC_QUALIFIER bool epsilonEqual |
| 11 | ( |
| 12 | float const& x, |
| 13 | float const& y, |
| 14 | float const& epsilon |
| 15 | ) |
| 16 | { |
| 17 | return abs(x - y) < epsilon; |
| 18 | } |
| 19 | |
| 20 | template<> |
| 21 | GLM_FUNC_QUALIFIER bool epsilonEqual |
| 22 | ( |
| 23 | double const& x, |
| 24 | double const& y, |
| 25 | double const& epsilon |
| 26 | ) |
| 27 | { |
| 28 | return abs(x - y) < epsilon; |
| 29 | } |
| 30 | |
| 31 | template<length_t L, typename T, qualifier Q> |
| 32 | GLM_FUNC_QUALIFIER vec<L, bool, Q> epsilonEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, T const& epsilon) |
| 33 | { |
| 34 | return lessThan(abs(x - y), vec<L, T, Q>(epsilon)); |
| 35 | } |
| 36 | |
| 37 | template<length_t L, typename T, qualifier Q> |
| 38 | 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) |
| 39 | { |
| 40 | return lessThan(abs(x - y), vec<L, T, Q>(epsilon)); |
| 41 | } |
| 42 | |
| 43 | template<> |
| 44 | GLM_FUNC_QUALIFIER bool epsilonNotEqual(float const& x, float const& y, float const& epsilon) |
| 45 | { |
| 46 | return abs(x - y) >= epsilon; |
| 47 | } |
| 48 | |
| 49 | template<> |
| 50 | GLM_FUNC_QUALIFIER bool epsilonNotEqual(double const& x, double const& y, double const& epsilon) |
| 51 | { |
| 52 | return abs(x - y) >= epsilon; |
| 53 | } |
| 54 | |
| 55 | template<length_t L, typename T, qualifier Q> |
| 56 | GLM_FUNC_QUALIFIER vec<L, bool, Q> epsilonNotEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, T const& epsilon) |
| 57 | { |
| 58 | return greaterThanEqual(abs(x - y), vec<L, T, Q>(epsilon)); |
| 59 | } |
| 60 | |
| 61 | template<length_t L, typename T, qualifier Q> |
| 62 | 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) |
| 63 | { |
| 64 | return greaterThanEqual(abs(x - y), vec<L, T, Q>(epsilon)); |
| 65 | } |
| 66 | |
| 67 | template<typename T, qualifier Q> |
| 68 | GLM_FUNC_QUALIFIER vec<4, bool, Q> epsilonEqual(qua<T, Q> const& x, qua<T, Q> const& y, T const& epsilon) |
| 69 | { |
| 70 | vec<4, T, Q> v(x.x - y.x, x.y - y.y, x.z - y.z, x.w - y.w); |
| 71 | return lessThan(abs(v), vec<4, T, Q>(epsilon)); |
| 72 | } |
| 73 | |
| 74 | template<typename T, qualifier Q> |
| 75 | GLM_FUNC_QUALIFIER vec<4, bool, Q> epsilonNotEqual(qua<T, Q> const& x, qua<T, Q> const& y, T const& epsilon) |
| 76 | { |
| 77 | vec<4, T, Q> v(x.x - y.x, x.y - y.y, x.z - y.z, x.w - y.w); |
| 78 | return greaterThanEqual(abs(v), vec<4, T, Q>(epsilon)); |
| 79 | } |
| 80 | }//namespace glm |