| 1 | /// @ref gtx_matrix_operation |
| 2 | |
| 3 | namespace glm |
| 4 | { |
| 5 | template<typename T, qualifier Q> |
| 6 | GLM_FUNC_QUALIFIER mat<2, 2, T, Q> diagonal2x2 |
| 7 | ( |
| 8 | vec<2, T, Q> const& v |
| 9 | ) |
| 10 | { |
| 11 | mat<2, 2, T, Q> Result(static_cast<T>(1)); |
| 12 | Result[0][0] = v[0]; |
| 13 | Result[1][1] = v[1]; |
| 14 | return Result; |
| 15 | } |
| 16 | |
| 17 | template<typename T, qualifier Q> |
| 18 | GLM_FUNC_QUALIFIER mat<2, 3, T, Q> diagonal2x3 |
| 19 | ( |
| 20 | vec<2, T, Q> const& v |
| 21 | ) |
| 22 | { |
| 23 | mat<2, 3, T, Q> Result(static_cast<T>(1)); |
| 24 | Result[0][0] = v[0]; |
| 25 | Result[1][1] = v[1]; |
| 26 | return Result; |
| 27 | } |
| 28 | |
| 29 | template<typename T, qualifier Q> |
| 30 | GLM_FUNC_QUALIFIER mat<2, 4, T, Q> diagonal2x4 |
| 31 | ( |
| 32 | vec<2, T, Q> const& v |
| 33 | ) |
| 34 | { |
| 35 | mat<2, 4, T, Q> Result(static_cast<T>(1)); |
| 36 | Result[0][0] = v[0]; |
| 37 | Result[1][1] = v[1]; |
| 38 | return Result; |
| 39 | } |
| 40 | |
| 41 | template<typename T, qualifier Q> |
| 42 | GLM_FUNC_QUALIFIER mat<3, 2, T, Q> diagonal3x2 |
| 43 | ( |
| 44 | vec<2, T, Q> const& v |
| 45 | ) |
| 46 | { |
| 47 | mat<3, 2, T, Q> Result(static_cast<T>(1)); |
| 48 | Result[0][0] = v[0]; |
| 49 | Result[1][1] = v[1]; |
| 50 | return Result; |
| 51 | } |
| 52 | |
| 53 | template<typename T, qualifier Q> |
| 54 | GLM_FUNC_QUALIFIER mat<3, 3, T, Q> diagonal3x3 |
| 55 | ( |
| 56 | vec<3, T, Q> const& v |
| 57 | ) |
| 58 | { |
| 59 | mat<3, 3, T, Q> Result(static_cast<T>(1)); |
| 60 | Result[0][0] = v[0]; |
| 61 | Result[1][1] = v[1]; |
| 62 | Result[2][2] = v[2]; |
| 63 | return Result; |
| 64 | } |
| 65 | |
| 66 | template<typename T, qualifier Q> |
| 67 | GLM_FUNC_QUALIFIER mat<3, 4, T, Q> diagonal3x4 |
| 68 | ( |
| 69 | vec<3, T, Q> const& v |
| 70 | ) |
| 71 | { |
| 72 | mat<3, 4, T, Q> Result(static_cast<T>(1)); |
| 73 | Result[0][0] = v[0]; |
| 74 | Result[1][1] = v[1]; |
| 75 | Result[2][2] = v[2]; |
| 76 | return Result; |
| 77 | } |
| 78 | |
| 79 | template<typename T, qualifier Q> |
| 80 | GLM_FUNC_QUALIFIER mat<4, 4, T, Q> diagonal4x4 |
| 81 | ( |
| 82 | vec<4, T, Q> const& v |
| 83 | ) |
| 84 | { |
| 85 | mat<4, 4, T, Q> Result(static_cast<T>(1)); |
| 86 | Result[0][0] = v[0]; |
| 87 | Result[1][1] = v[1]; |
| 88 | Result[2][2] = v[2]; |
| 89 | Result[3][3] = v[3]; |
| 90 | return Result; |
| 91 | } |
| 92 | |
| 93 | template<typename T, qualifier Q> |
| 94 | GLM_FUNC_QUALIFIER mat<4, 3, T, Q> diagonal4x3 |
| 95 | ( |
| 96 | vec<3, T, Q> const& v |
| 97 | ) |
| 98 | { |
| 99 | mat<4, 3, T, Q> Result(static_cast<T>(1)); |
| 100 | Result[0][0] = v[0]; |
| 101 | Result[1][1] = v[1]; |
| 102 | Result[2][2] = v[2]; |
| 103 | return Result; |
| 104 | } |
| 105 | |
| 106 | template<typename T, qualifier Q> |
| 107 | GLM_FUNC_QUALIFIER mat<4, 2, T, Q> diagonal4x2 |
| 108 | ( |
| 109 | vec<2, T, Q> const& v |
| 110 | ) |
| 111 | { |
| 112 | mat<4, 2, T, Q> Result(static_cast<T>(1)); |
| 113 | Result[0][0] = v[0]; |
| 114 | Result[1][1] = v[1]; |
| 115 | return Result; |
| 116 | } |
| 117 | |
| 118 | template<typename T, qualifier Q> |
| 119 | GLM_FUNC_QUALIFIER mat<2, 2, T, Q> adjugate(mat<2, 2, T, Q> const& m) |
| 120 | { |
| 121 | return mat<2, 2, T, Q>( |
| 122 | +m[1][1], -m[0][1], |
| 123 | -m[1][0], +m[0][0]); |
| 124 | } |
| 125 | |
| 126 | template<typename T, qualifier Q> |
| 127 | GLM_FUNC_QUALIFIER mat<3, 3, T, Q> adjugate(mat<3, 3, T, Q> const& m) |
| 128 | { |
| 129 | T const m00 = determinant(mat<2, 2, T, Q>(m[1][1], m[2][1], m[1][2], m[2][2])); |
| 130 | T const m01 = determinant(mat<2, 2, T, Q>(m[0][1], m[2][1], m[0][2], m[2][2])); |
| 131 | T const m02 = determinant(mat<2, 2, T, Q>(m[0][1], m[1][1], m[0][2], m[1][2])); |
| 132 | |
| 133 | T const m10 = determinant(mat<2, 2, T, Q>(m[1][0], m[2][0], m[1][2], m[2][2])); |
| 134 | T const m11 = determinant(mat<2, 2, T, Q>(m[0][0], m[2][0], m[0][2], m[2][2])); |
| 135 | T const m12 = determinant(mat<2, 2, T, Q>(m[0][0], m[1][0], m[0][2], m[1][2])); |
| 136 | |
| 137 | T const m20 = determinant(mat<2, 2, T, Q>(m[1][0], m[2][0], m[1][1], m[2][1])); |
| 138 | T const m21 = determinant(mat<2, 2, T, Q>(m[0][0], m[2][0], m[0][1], m[2][1])); |
| 139 | T const m22 = determinant(mat<2, 2, T, Q>(m[0][0], m[1][0], m[0][1], m[1][1])); |
| 140 | |
| 141 | return mat<3, 3, T, Q>( |
| 142 | +m00, -m01, +m02, |
| 143 | -m10, +m11, -m12, |
| 144 | +m20, -m21, +m22); |
| 145 | } |
| 146 | |
| 147 | template<typename T, qualifier Q> |
| 148 | GLM_FUNC_QUALIFIER mat<4, 4, T, Q> adjugate(mat<4, 4, T, Q> const& m) |
| 149 | { |
| 150 | T const m00 = determinant(mat<3, 3, T, Q>(m[1][1], m[1][2], m[1][3], m[2][1], m[2][2], m[2][3], m[3][1], m[3][2], m[3][3])); |
| 151 | T const m01 = determinant(mat<3, 3, T, Q>(m[1][0], m[1][2], m[1][3], m[2][0], m[2][2], m[2][3], m[3][0], m[3][2], m[3][3])); |
| 152 | T const m02 = determinant(mat<3, 3, T, Q>(m[1][0], m[1][1], m[1][3], m[2][0], m[2][1], m[2][3], m[3][0], m[3][1], m[3][3])); |
| 153 | T const m03 = determinant(mat<3, 3, T, Q>(m[1][0], m[1][1], m[1][2], m[2][0], m[2][1], m[2][2], m[3][0], m[3][1], m[3][2])); |
| 154 | |
| 155 | T const m10 = determinant(mat<3, 3, T, Q>(m[0][1], m[0][2], m[0][3], m[2][1], m[2][2], m[2][3], m[3][1], m[3][2], m[3][3])); |
| 156 | T const m11 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][2], m[0][3], m[2][0], m[2][2], m[2][3], m[3][0], m[3][2], m[3][3])); |
| 157 | T const m12 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][1], m[0][3], m[2][0], m[2][1], m[2][3], m[3][0], m[3][1], m[3][3])); |
| 158 | T const m13 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][1], m[0][2], m[2][0], m[2][1], m[2][2], m[3][0], m[3][1], m[3][2])); |
| 159 | |
| 160 | T const m20 = determinant(mat<3, 3, T, Q>(m[0][1], m[0][2], m[0][3], m[1][1], m[1][2], m[1][3], m[3][1], m[3][2], m[3][3])); |
| 161 | T const m21 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][2], m[0][3], m[1][0], m[1][2], m[1][3], m[3][0], m[3][2], m[3][3])); |
| 162 | T const m22 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][1], m[0][3], m[1][0], m[1][1], m[1][3], m[3][0], m[3][1], m[3][3])); |
| 163 | T const m23 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][1], m[0][2], m[1][0], m[1][1], m[1][2], m[3][0], m[3][1], m[3][2])); |
| 164 | |
| 165 | T const m30 = determinant(mat<3, 3, T, Q>(m[0][1], m[0][2], m[0][3], m[1][1], m[1][2], m[1][3], m[2][1], m[2][2], m[2][3])); |
| 166 | T const m31 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][2], m[0][3], m[1][0], m[1][2], m[1][3], m[2][0], m[2][2], m[2][3])); |
| 167 | T const m32 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][1], m[0][3], m[1][0], m[1][1], m[1][3], m[2][0], m[2][1], m[2][3])); |
| 168 | T const m33 = determinant(mat<3, 3, T, Q>(m[0][0], m[0][1], m[0][2], m[1][0], m[1][1], m[1][2], m[2][0], m[2][1], m[2][2])); |
| 169 | |
| 170 | return mat<4, 4, T, Q>( |
| 171 | +m00, -m10, +m20, -m30, |
| 172 | -m01, +m11, -m21, +m31, |
| 173 | +m02, -m12, +m22, -m32, |
| 174 | -m03, +m13, -m23, +m33); |
| 175 | } |
| 176 | }//namespace glm |