10 September 2023 10:12:22 AM umfpack_west(): C version Test umfpack() to solve the sparse West linear system A*x=b. The matrix A is stored, in CC format, in 3 files. Number of rows and columns = 67 Number of nonzeros NCC = 294 The CC matrix: # I J A ---- ---- ---- ---------------- 0 4 0 -0.2788416 1 5 0 -0.2680186 2 6 0 -0.2323717 3 7 0 -0.1575082 4 8 0 -0.06325978 5 24 0 0.1394208 6 25 0 0.1340093 7 26 0 0.1161859 8 27 0 0.078754112 9 28 0 0.03162989 10 4 1 -0.8 11 20 1 -0.9159533 12 24 1 0.4 13 60 1 1 14 5 2 -0.8 15 21 2 -0.9159533 16 25 2 0.4 17 60 2 1 18 6 3 -0.8 19 22 3 -0.9159533 20 26 3 0.4 21 60 3 1 22 7 4 -0.8 23 23 4 -0.9159533 24 27 4 0.4 25 60 4 1 26 8 5 -0.8 27 28 5 0.4 28 60 5 1 29 4 6 0.1344622 30 5 6 0.1175679 31 6 6 0.088592619 32 7 6 0.047594391 33 8 6 0.01178291 34 0 7 -0.8341818 35 4 7 0.4 36 56 7 1 37 1 8 -0.8341818 38 5 8 0.4 39 56 8 1 40 2 9 -0.8341818 41 6 9 0.4 42 56 9 1 43 3 10 -0.8341818 44 7 10 0.4 45 56 10 1 46 8 11 0.4 47 56 11 1 48 0 12 1.265823 49 4 12 0.4 50 9 12 -1.265823 51 10 12 0.3333333 52 57 12 1 53 1 13 1.012658 54 5 13 0.4 55 9 13 -1.012658 56 11 13 0.3333333 57 57 13 1 58 2 14 0.7594937 59 6 14 0.4 60 9 14 -0.7594937 61 12 14 0.3333333 62 57 14 1 63 3 15 0.5063291 64 7 15 0.4 65 9 15 -0.5063291 66 13 15 0.3333333 67 57 15 1 68 8 16 0.4 69 9 16 -0.2531646 70 14 16 0.3333333 71 57 16 1 72 0 17 -0.3361556 73 1 17 -0.2939196 74 2 17 -0.2214815 75 3 17 -0.118986 76 9 17 1 77 14 18 0.6666667 78 55 18 1 79 10 19 -0.2071759 80 11 19 -0.2140392 81 12 19 -0.2144206 82 13 19 -0.1986768 83 14 19 -0.1656874 84 15 19 0.1243055 85 16 19 0.1284235 86 17 19 0.1286524 87 18 19 0.1192061 88 19 19 0.099412464 89 10 20 -1 90 15 20 0.6 91 58 20 1 92 11 21 -1 93 16 21 0.6 94 58 21 1 95 12 22 -1 96 17 22 0.6 97 58 22 1 98 13 23 -1 99 18 23 0.6 100 58 23 1 101 14 24 -1 102 19 24 0.6 103 58 24 1 104 15 25 0.45 105 35 25 -0.9583187 106 39 25 0.5 107 63 25 1 108 16 26 0.45 109 36 26 -0.9583187 110 40 26 0.5 111 63 26 1 112 17 27 0.45 113 37 27 -0.9583187 114 41 27 0.5 115 63 27 1 116 18 28 0.45 117 38 28 -0.9583187 118 42 28 0.5 119 63 28 1 120 19 29 0.45 121 43 29 0.5 122 63 29 1 123 15 30 -0.2070986 124 16 30 -0.2232997 125 17 30 -0.2286264 126 18 30 -0.2024528 127 19 30 -0.1385226 128 24 30 -0.2070986 129 25 30 -0.2232997 130 26 30 -0.2286264 131 27 30 -0.2024528 132 28 30 -0.1385226 133 15 31 -1.05 134 24 31 -1.05 135 59 31 1 136 16 32 -1.05 137 25 32 -1.05 138 59 32 1 139 17 33 -1.05 140 26 33 -1.05 141 59 33 1 142 18 34 -1.05 143 27 34 -1.05 144 59 34 1 145 19 35 -1.05 146 28 35 -1.05 147 59 35 1 148 24 36 0.08147449 149 25 36 0.097890154 150 26 36 0.1131608 151 27 36 0.1150555 152 28 36 0.092419088 153 30 36 0.090527207 154 31 36 0.1087668 155 32 36 0.1257342 156 33 36 0.1278394 157 34 36 0.1026879 158 20 37 1.567398 159 24 37 0.65 160 29 37 -1.567398 161 30 37 0.7222222 162 61 37 1 163 21 38 1.253918 164 25 38 0.65 165 29 38 -1.253918 166 31 38 0.7222222 167 61 38 1 168 22 39 0.9404389 169 26 39 0.65 170 29 39 -0.9404389 171 32 39 0.7222222 172 61 39 1 173 23 40 0.6269592 174 27 40 0.65 175 29 40 -0.6269592 176 33 40 0.7222222 177 61 40 1 178 28 41 0.65 179 29 41 -0.3134796 180 34 41 0.7222222 181 61 41 1 182 20 42 -0.2788416 183 21 42 -0.2680186 184 22 42 -0.2323717 185 23 42 -0.1575082 186 29 42 1 187 30 43 0.25 188 45 43 -0.8242248 189 49 43 0.5 190 65 43 1 191 31 44 0.25 192 46 44 -0.8242248 193 50 44 0.5 194 65 44 1 195 32 45 0.25 196 47 45 -0.8242248 197 51 45 0.5 198 65 45 1 199 33 46 0.25 200 48 46 -0.8242248 201 52 46 0.5 202 65 46 1 203 34 47 0.25 204 53 47 0.5 205 65 47 1 206 30 48 -0.1581626 207 31 48 -0.1947711 208 32 48 -0.2303917 209 33 48 -0.2362845 210 34 48 -0.18039 211 39 48 -0.1581626 212 40 48 -0.1947711 213 41 48 -0.2303917 214 42 48 -0.2362845 215 43 48 -0.18039 216 30 49 -0.9722222 217 39 49 -0.9722222 218 62 49 1 219 31 50 -0.9722222 220 40 50 -0.9722222 221 62 50 1 222 32 51 -0.9722222 223 41 51 -0.9722222 224 62 51 1 225 33 52 -0.9722222 226 42 52 -0.9722222 227 62 52 1 228 34 53 -0.9722222 229 43 53 -0.9722222 230 62 53 1 231 39 54 0.053228639 232 40 54 0.075745419 233 41 54 0.1061028 234 42 54 0.1333878 235 43 54 0.1315353 236 49 54 -0.1064573 237 50 54 -0.1514908 238 51 54 -0.2122056 239 52 54 -0.2667757 240 53 54 -0.2630706 241 35 55 1.863354 242 39 55 0.4722222 243 44 55 -1.863354 244 49 55 -0.9444444 245 64 55 1 246 36 56 1.490683 247 40 56 0.4722222 248 44 56 -1.490683 249 50 56 -0.9444444 250 64 56 1 251 37 57 1.118012 252 41 57 0.4722222 253 44 57 -1.118012 254 51 57 -0.9444444 255 64 57 1 256 38 58 0.7453416 257 42 58 0.4722222 258 44 58 -0.7453416 259 52 58 -0.9444444 260 64 58 1 261 43 59 0.4722222 262 44 59 -0.3726708 263 53 59 -0.9444444 264 64 59 1 265 35 60 -0.2069954 266 36 60 -0.2356469 267 37 60 -0.2475675 268 38 60 -0.2074873 269 44 60 1 270 45 61 1.863354 271 49 61 0.4444444 272 54 61 -1.863354 273 66 61 1 274 46 62 1.490683 275 50 62 0.4444444 276 54 62 -1.490683 277 66 62 1 278 47 63 1.118012 279 51 63 0.4444444 280 54 63 -1.118012 281 66 63 1 282 48 64 0.7453416 283 52 64 0.4444444 284 54 64 -0.7453416 285 66 64 1 286 53 65 0.4444444 287 54 65 -0.3726708 288 66 65 1 289 45 66 -0.1443354 290 46 66 -0.1918557 291 47 66 -0.2421498 292 48 66 -0.2541193 293 54 66 1 Residual: ||A*x-b|| = 2.51341e-15 umfpack_west(): Normal end of execution. 10 September 2023 10:12:22 AM