| 1 | namespace glm |
| 2 | { |
| 3 | template<typename T> |
| 4 | GLM_FUNC_QUALIFIER T (min)(T a, T b, T c) |
| 5 | { |
| 6 | return (glm::min)((glm::min)(a, b), c); |
| 7 | } |
| 8 | |
| 9 | template<typename T> |
| 10 | GLM_FUNC_QUALIFIER T (min)(T a, T b, T c, T d) |
| 11 | { |
| 12 | return (glm::min)((glm::min)(a, b), (glm::min)(c, d)); |
| 13 | } |
| 14 | |
| 15 | template<typename T> |
| 16 | GLM_FUNC_QUALIFIER T (max)(T a, T b, T c) |
| 17 | { |
| 18 | return (glm::max)((glm::max)(a, b), c); |
| 19 | } |
| 20 | |
| 21 | template<typename T> |
| 22 | GLM_FUNC_QUALIFIER T (max)(T a, T b, T c, T d) |
| 23 | { |
| 24 | return (glm::max)((glm::max)(a, b), (glm::max)(c, d)); |
| 25 | } |
| 26 | |
| 27 | using std::fmin; |
| 28 | |
| 29 | template<typename T> |
| 30 | GLM_FUNC_QUALIFIER T (fmin)(T a, T b, T c) |
| 31 | { |
| 32 | static_assert(std::numeric_limits<T>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fmin' only accept floating-point input"); |
| 33 | |
| 34 | if (isnan(a)) |
| 35 | return (fmin)(b, c); |
| 36 | if (isnan(b)) |
| 37 | return (fmin)(a, c); |
| 38 | if (isnan(c)) |
| 39 | return min(a, b); |
| 40 | return (min)(a, b, c); |
| 41 | } |
| 42 | |
| 43 | template<typename T> |
| 44 | GLM_FUNC_QUALIFIER T (fmin)(T a, T b, T c, T d) |
| 45 | { |
| 46 | static_assert(std::numeric_limits<T>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fmin' only accept floating-point input"); |
| 47 | |
| 48 | if (isnan(a)) |
| 49 | return (fmin)(b, c, d); |
| 50 | if (isnan(b)) |
| 51 | return (min)(a, (fmin)(c, d)); |
| 52 | if (isnan(c)) |
| 53 | return (fmin)(min(a, b), d); |
| 54 | if (isnan(d)) |
| 55 | return (min)(a, b, c); |
| 56 | return (min)(a, b, c, d); |
| 57 | } |
| 58 | |
| 59 | using std::fmax; |
| 60 | |
| 61 | template<typename T> |
| 62 | GLM_FUNC_QUALIFIER T (fmax)(T a, T b, T c) |
| 63 | { |
| 64 | static_assert(std::numeric_limits<T>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fmax' only accept floating-point input"); |
| 65 | |
| 66 | if (isnan(a)) |
| 67 | return (fmax)(b, c); |
| 68 | if (isnan(b)) |
| 69 | return (fmax)(a, c); |
| 70 | if (isnan(c)) |
| 71 | return (max)(a, b); |
| 72 | return (max)(a, b, c); |
| 73 | } |
| 74 | |
| 75 | template<typename T> |
| 76 | GLM_FUNC_QUALIFIER T (fmax)(T a, T b, T c, T d) |
| 77 | { |
| 78 | static_assert(std::numeric_limits<T>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fmax' only accept floating-point input"); |
| 79 | |
| 80 | if (isnan(a)) |
| 81 | return (fmax)(b, c, d); |
| 82 | if (isnan(b)) |
| 83 | return (max)(a, (fmax)(c, d)); |
| 84 | if (isnan(c)) |
| 85 | return (fmax)((max)(a, b), d); |
| 86 | if (isnan(d)) |
| 87 | return (max)(a, b, c); |
| 88 | return (max)(a, b, c, d); |
| 89 | } |
| 90 | |
| 91 | // fclamp |
| 92 | template<typename genType> |
| 93 | GLM_FUNC_QUALIFIER genType fclamp(genType x, genType minVal, genType maxVal) |
| 94 | { |
| 95 | static_assert(std::numeric_limits<genType>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fclamp' only accept floating-point or integer inputs"); |
| 96 | return fmin((fmax)(x, minVal), maxVal); |
| 97 | } |
| 98 | |
| 99 | template<typename genType> |
| 100 | GLM_FUNC_QUALIFIER genType clamp(genType const& Texcoord) |
| 101 | { |
| 102 | return glm::clamp(Texcoord, static_cast<genType>(0), static_cast<genType>(1)); |
| 103 | } |
| 104 | |
| 105 | template<typename genType> |
| 106 | GLM_FUNC_QUALIFIER genType repeat(genType const& Texcoord) |
| 107 | { |
| 108 | return glm::fract(Texcoord); |
| 109 | } |
| 110 | |
| 111 | template<typename genType> |
| 112 | GLM_FUNC_QUALIFIER genType mirrorClamp(genType const& Texcoord) |
| 113 | { |
| 114 | return glm::fract(glm::abs(Texcoord)); |
| 115 | } |
| 116 | |
| 117 | template<typename genType> |
| 118 | GLM_FUNC_QUALIFIER genType mirrorRepeat(genType const& Texcoord) |
| 119 | { |
| 120 | genType const Abs = glm::abs(Texcoord); |
| 121 | genType const Clamp = glm::mod(glm::floor(Abs), static_cast<genType>(2)); |
| 122 | genType const Floor = glm::floor(Abs); |
| 123 | genType const Rest = Abs - Floor; |
| 124 | genType const Mirror = Clamp + Rest; |
| 125 | return mix(Rest, static_cast<genType>(1) - Rest, Mirror >= static_cast<genType>(1)); |
| 126 | } |
| 127 | |
| 128 | template<typename genType> |
| 129 | GLM_FUNC_QUALIFIER int iround(genType const& x) |
| 130 | { |
| 131 | static_assert(std::numeric_limits<genType>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'iround' only accept floating-point inputs"); |
| 132 | assert(static_cast<genType>(0.0) <= x); |
| 133 | |
| 134 | return static_cast<int>(x + static_cast<genType>(0.5)); |
| 135 | } |
| 136 | |
| 137 | template<typename genType> |
| 138 | GLM_FUNC_QUALIFIER uint uround(genType const& x) |
| 139 | { |
| 140 | static_assert(std::numeric_limits<genType>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'uround' only accept floating-point inputs"); |
| 141 | assert(static_cast<genType>(0.0) <= x); |
| 142 | |
| 143 | return static_cast<uint>(x + static_cast<genType>(0.5)); |
| 144 | } |
| 145 | }//namespace glm |