| 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 | # if GLM_HAS_CXX11_STL |
| 28 | using std::fmin; |
| 29 | # else |
| 30 | template<typename T> |
| 31 | GLM_FUNC_QUALIFIER T fmin(T a, T b) |
| 32 | { |
| 33 | GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmin' only accept floating-point input"); |
| 34 | |
| 35 | if (isnan(a)) |
| 36 | return b; |
| 37 | return min(a, b); |
| 38 | } |
| 39 | # endif |
| 40 | |
| 41 | template<typename T> |
| 42 | GLM_FUNC_QUALIFIER T fmin(T a, T b, T c) |
| 43 | { |
| 44 | GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmin' only accept floating-point input"); |
| 45 | |
| 46 | if (isnan(a)) |
| 47 | return fmin(b, c); |
| 48 | if (isnan(b)) |
| 49 | return fmin(a, c); |
| 50 | if (isnan(c)) |
| 51 | return min(a, b); |
| 52 | return min(a, b, c); |
| 53 | } |
| 54 | |
| 55 | template<typename T> |
| 56 | GLM_FUNC_QUALIFIER T fmin(T a, T b, T c, T d) |
| 57 | { |
| 58 | GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmin' only accept floating-point input"); |
| 59 | |
| 60 | if (isnan(a)) |
| 61 | return fmin(b, c, d); |
| 62 | if (isnan(b)) |
| 63 | return min(a, fmin(c, d)); |
| 64 | if (isnan(c)) |
| 65 | return fmin(min(a, b), d); |
| 66 | if (isnan(d)) |
| 67 | return min(a, b, c); |
| 68 | return min(a, b, c, d); |
| 69 | } |
| 70 | |
| 71 | |
| 72 | # if GLM_HAS_CXX11_STL |
| 73 | using std::fmax; |
| 74 | # else |
| 75 | template<typename T> |
| 76 | GLM_FUNC_QUALIFIER T fmax(T a, T b) |
| 77 | { |
| 78 | GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmax' only accept floating-point input"); |
| 79 | |
| 80 | if (isnan(a)) |
| 81 | return b; |
| 82 | return max(a, b); |
| 83 | } |
| 84 | # endif |
| 85 | |
| 86 | template<typename T> |
| 87 | GLM_FUNC_QUALIFIER T fmax(T a, T b, T c) |
| 88 | { |
| 89 | GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmax' only accept floating-point input"); |
| 90 | |
| 91 | if (isnan(a)) |
| 92 | return fmax(b, c); |
| 93 | if (isnan(b)) |
| 94 | return fmax(a, c); |
| 95 | if (isnan(c)) |
| 96 | return max(a, b); |
| 97 | return max(a, b, c); |
| 98 | } |
| 99 | |
| 100 | template<typename T> |
| 101 | GLM_FUNC_QUALIFIER T fmax(T a, T b, T c, T d) |
| 102 | { |
| 103 | GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmax' only accept floating-point input"); |
| 104 | |
| 105 | if (isnan(a)) |
| 106 | return fmax(b, c, d); |
| 107 | if (isnan(b)) |
| 108 | return max(a, fmax(c, d)); |
| 109 | if (isnan(c)) |
| 110 | return fmax(max(a, b), d); |
| 111 | if (isnan(d)) |
| 112 | return max(a, b, c); |
| 113 | return max(a, b, c, d); |
| 114 | } |
| 115 | }//namespace glm |