1 2 static char help[] = "Tests the use of interface functions for MATIS matrices and conversion routines.\n"; 3 4 #include <petscmat.h> 5 6 PetscErrorCode TestMatZeroRows(Mat, Mat, PetscBool, IS, PetscScalar); 7 PetscErrorCode CheckMat(Mat, Mat, PetscBool, const char *); 8 9 int main(int argc, char **args) 10 { 11 Mat A, B, A2, B2, T; 12 Mat Aee, Aeo, Aoe, Aoo; 13 Mat *mats, *Asub, *Bsub; 14 Vec x, y; 15 MatInfo info; 16 ISLocalToGlobalMapping cmap, rmap; 17 IS is, is2, reven, rodd, ceven, codd; 18 IS *rows, *cols; 19 IS irow[2], icol[2]; 20 PetscLayout rlayout, clayout; 21 const PetscInt *rrange, *crange; 22 MatType lmtype; 23 PetscScalar diag = 2.; 24 PetscInt n, m, i, lm, ln; 25 PetscInt rst, ren, cst, cen, nr, nc; 26 PetscMPIInt rank, size, lrank, rrank; 27 PetscBool testT, squaretest, isaij; 28 PetscBool permute = PETSC_FALSE, negmap = PETSC_FALSE, repmap = PETSC_FALSE; 29 PetscBool diffmap = PETSC_TRUE, symmetric = PETSC_FALSE, issymmetric; 30 31 PetscFunctionBeginUser; 32 PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 33 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 34 PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 35 m = n = 2 * size; 36 PetscCall(PetscOptionsGetBool(NULL, NULL, "-symmetric", &symmetric, NULL)); 37 PetscCall(PetscOptionsGetInt(NULL, NULL, "-m", &m, NULL)); 38 PetscCall(PetscOptionsGetInt(NULL, NULL, "-n", &n, NULL)); 39 PetscCall(PetscOptionsGetBool(NULL, NULL, "-negmap", &negmap, NULL)); 40 PetscCall(PetscOptionsGetBool(NULL, NULL, "-repmap", &repmap, NULL)); 41 PetscCall(PetscOptionsGetBool(NULL, NULL, "-permmap", &permute, NULL)); 42 PetscCall(PetscOptionsGetBool(NULL, NULL, "-diffmap", &diffmap, NULL)); 43 PetscCheck(size == 1 || m >= 4, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Number of rows should be larger or equal 4 for parallel runs"); 44 PetscCheck(size != 1 || m >= 2, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Number of rows should be larger or equal 2 for uniprocessor runs"); 45 PetscCheck(n >= 2, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Number of cols should be larger or equal 2"); 46 47 /* create a MATIS matrix */ 48 PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 49 PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, m, n)); 50 PetscCall(MatSetType(A, MATIS)); 51 PetscCall(MatSetFromOptions(A)); 52 if (!negmap && !repmap) { 53 /* This is not the proper setting for MATIS for finite elements, it is just used to test the routines 54 Here we use a one-to-one correspondence between local row/column spaces and global row/column spaces 55 Equivalent to passing NULL for the mapping */ 56 PetscCall(ISCreateStride(PETSC_COMM_WORLD, n, 0, 1, &is)); 57 } else if (negmap && !repmap) { /* non repeated but with negative indices */ 58 PetscCall(ISCreateStride(PETSC_COMM_WORLD, n + 2, -2, 1, &is)); 59 } else if (!negmap && repmap) { /* non negative but repeated indices */ 60 IS isl[2]; 61 62 PetscCall(ISCreateStride(PETSC_COMM_WORLD, n, 0, 1, &isl[0])); 63 PetscCall(ISCreateStride(PETSC_COMM_WORLD, n, n - 1, -1, &isl[1])); 64 PetscCall(ISConcatenate(PETSC_COMM_WORLD, 2, isl, &is)); 65 PetscCall(ISDestroy(&isl[0])); 66 PetscCall(ISDestroy(&isl[1])); 67 } else { /* negative and repeated indices */ 68 IS isl[2]; 69 70 PetscCall(ISCreateStride(PETSC_COMM_WORLD, n + 1, -1, 1, &isl[0])); 71 PetscCall(ISCreateStride(PETSC_COMM_WORLD, n + 1, n - 1, -1, &isl[1])); 72 PetscCall(ISConcatenate(PETSC_COMM_WORLD, 2, isl, &is)); 73 PetscCall(ISDestroy(&isl[0])); 74 PetscCall(ISDestroy(&isl[1])); 75 } 76 PetscCall(ISLocalToGlobalMappingCreateIS(is, &cmap)); 77 PetscCall(ISDestroy(&is)); 78 79 if (m != n || diffmap) { 80 PetscCall(ISCreateStride(PETSC_COMM_WORLD, m, permute ? m - 1 : 0, permute ? -1 : 1, &is)); 81 PetscCall(ISLocalToGlobalMappingCreateIS(is, &rmap)); 82 PetscCall(ISDestroy(&is)); 83 } else { 84 PetscCall(PetscObjectReference((PetscObject)cmap)); 85 rmap = cmap; 86 } 87 88 PetscCall(MatSetLocalToGlobalMapping(A, rmap, cmap)); 89 PetscCall(MatISStoreL2L(A, PETSC_FALSE)); 90 PetscCall(MatISSetPreallocation(A, 3, NULL, 3, NULL)); 91 PetscCall(MatSetOption(A, MAT_NEW_NONZERO_ALLOCATION_ERR, (PetscBool) !(repmap || negmap))); /* I do not want to precompute the pattern */ 92 PetscCall(ISLocalToGlobalMappingGetSize(rmap, &lm)); 93 PetscCall(ISLocalToGlobalMappingGetSize(cmap, &ln)); 94 for (i = 0; i < lm; i++) { 95 PetscScalar v[3]; 96 PetscInt cols[3]; 97 98 cols[0] = (i - 1 + n) % n; 99 cols[1] = i % n; 100 cols[2] = (i + 1) % n; 101 v[0] = -1. * (symmetric ? PetscMin(i + 1, cols[0] + 1) : i + 1); 102 v[1] = 2. * (symmetric ? PetscMin(i + 1, cols[1] + 1) : i + 1); 103 v[2] = -1. * (symmetric ? PetscMin(i + 1, cols[2] + 1) : i + 1); 104 PetscCall(ISGlobalToLocalMappingApply(cmap, IS_GTOLM_MASK, 3, cols, NULL, cols)); 105 PetscCall(MatSetValuesLocal(A, 1, &i, 3, cols, v, ADD_VALUES)); 106 } 107 PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 108 PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 109 110 /* activate tests for square matrices with same maps only */ 111 PetscCall(MatHasCongruentLayouts(A, &squaretest)); 112 if (squaretest && rmap != cmap) { 113 PetscInt nr, nc; 114 115 PetscCall(ISLocalToGlobalMappingGetSize(rmap, &nr)); 116 PetscCall(ISLocalToGlobalMappingGetSize(cmap, &nc)); 117 if (nr != nc) squaretest = PETSC_FALSE; 118 else { 119 const PetscInt *idxs1, *idxs2; 120 121 PetscCall(ISLocalToGlobalMappingGetIndices(rmap, &idxs1)); 122 PetscCall(ISLocalToGlobalMappingGetIndices(cmap, &idxs2)); 123 PetscCall(PetscArraycmp(idxs1, idxs2, nr, &squaretest)); 124 PetscCall(ISLocalToGlobalMappingRestoreIndices(rmap, &idxs1)); 125 PetscCall(ISLocalToGlobalMappingRestoreIndices(cmap, &idxs2)); 126 } 127 PetscCall(MPIU_Allreduce(MPI_IN_PLACE, &squaretest, 1, MPIU_BOOL, MPI_LAND, PetscObjectComm((PetscObject)A))); 128 } 129 130 /* test MatISGetLocalMat */ 131 PetscCall(MatISGetLocalMat(A, &B)); 132 PetscCall(MatGetType(B, &lmtype)); 133 134 /* test MatGetInfo */ 135 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatGetInfo\n")); 136 PetscCall(MatGetInfo(A, MAT_LOCAL, &info)); 137 PetscCall(PetscViewerASCIIPushSynchronized(PETSC_VIEWER_STDOUT_WORLD)); 138 PetscCall(PetscViewerASCIISynchronizedPrintf(PETSC_VIEWER_STDOUT_WORLD, "Process %2d: %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT "\n", PetscGlobalRank, (PetscInt)info.nz_used, (PetscInt)info.nz_allocated, 139 (PetscInt)info.nz_unneeded, (PetscInt)info.assemblies, (PetscInt)info.mallocs)); 140 PetscCall(PetscViewerFlush(PETSC_VIEWER_STDOUT_WORLD)); 141 PetscCall(MatGetInfo(A, MAT_GLOBAL_MAX, &info)); 142 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "GlobalMax : %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT "\n", (PetscInt)info.nz_used, (PetscInt)info.nz_allocated, (PetscInt)info.nz_unneeded, 143 (PetscInt)info.assemblies, (PetscInt)info.mallocs)); 144 PetscCall(MatGetInfo(A, MAT_GLOBAL_SUM, &info)); 145 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "GlobalSum : %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT "\n", (PetscInt)info.nz_used, (PetscInt)info.nz_allocated, (PetscInt)info.nz_unneeded, 146 (PetscInt)info.assemblies, (PetscInt)info.mallocs)); 147 148 /* test MatIsSymmetric */ 149 PetscCall(MatIsSymmetric(A, 0.0, &issymmetric)); 150 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatIsSymmetric: %d\n", issymmetric)); 151 152 /* Create a MPIAIJ matrix, same as A */ 153 PetscCall(MatCreate(PETSC_COMM_WORLD, &B)); 154 PetscCall(MatSetSizes(B, PETSC_DECIDE, PETSC_DECIDE, m, n)); 155 PetscCall(MatSetType(B, MATAIJ)); 156 PetscCall(MatSetFromOptions(B)); 157 PetscCall(MatSetLocalToGlobalMapping(B, rmap, cmap)); 158 PetscCall(MatMPIAIJSetPreallocation(B, 3, NULL, 3, NULL)); 159 PetscCall(MatMPIBAIJSetPreallocation(B, 1, 3, NULL, 3, NULL)); 160 #if defined(PETSC_HAVE_HYPRE) 161 PetscCall(MatHYPRESetPreallocation(B, 3, NULL, 3, NULL)); 162 #endif 163 PetscCall(MatISSetPreallocation(B, 3, NULL, 3, NULL)); 164 PetscCall(MatSetOption(B, MAT_NEW_NONZERO_ALLOCATION_ERR, (PetscBool) !(repmap || negmap))); /* I do not want to precompute the pattern */ 165 for (i = 0; i < lm; i++) { 166 PetscScalar v[3]; 167 PetscInt cols[3]; 168 169 cols[0] = (i - 1 + n) % n; 170 cols[1] = i % n; 171 cols[2] = (i + 1) % n; 172 v[0] = -1. * (symmetric ? PetscMin(i + 1, cols[0] + 1) : i + 1); 173 v[1] = 2. * (symmetric ? PetscMin(i + 1, cols[1] + 1) : i + 1); 174 v[2] = -1. * (symmetric ? PetscMin(i + 1, cols[2] + 1) : i + 1); 175 PetscCall(ISGlobalToLocalMappingApply(cmap, IS_GTOLM_MASK, 3, cols, NULL, cols)); 176 PetscCall(MatSetValuesLocal(B, 1, &i, 3, cols, v, ADD_VALUES)); 177 } 178 PetscCall(MatAssemblyBegin(B, MAT_FINAL_ASSEMBLY)); 179 PetscCall(MatAssemblyEnd(B, MAT_FINAL_ASSEMBLY)); 180 181 /* test MatView */ 182 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatView\n")); 183 PetscCall(MatView(A, NULL)); 184 PetscCall(MatView(B, NULL)); 185 186 /* test CheckMat */ 187 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test CheckMat\n")); 188 PetscCall(CheckMat(A, B, PETSC_FALSE, "CheckMat")); 189 190 /* test MatDuplicate and MatAXPY */ 191 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatDuplicate and MatAXPY\n")); 192 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2)); 193 PetscCall(CheckMat(A, A2, PETSC_FALSE, "MatDuplicate and MatAXPY")); 194 195 /* test MatConvert */ 196 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatConvert_IS_XAIJ\n")); 197 PetscCall(MatConvert(A2, MATAIJ, MAT_INITIAL_MATRIX, &B2)); 198 PetscCall(CheckMat(B, B2, PETSC_TRUE, "MatConvert_IS_XAIJ MAT_INITIAL_MATRIX")); 199 PetscCall(MatConvert(A2, MATAIJ, MAT_REUSE_MATRIX, &B2)); 200 PetscCall(CheckMat(B, B2, PETSC_TRUE, "MatConvert_IS_XAIJ MAT_REUSE_MATRIX")); 201 PetscCall(MatConvert(A2, MATAIJ, MAT_INPLACE_MATRIX, &A2)); 202 PetscCall(CheckMat(B, A2, PETSC_TRUE, "MatConvert_IS_XAIJ MAT_INPLACE_MATRIX")); 203 PetscCall(MatDestroy(&A2)); 204 PetscCall(MatDestroy(&B2)); 205 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatConvert_XAIJ_IS\n")); 206 PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2)); 207 PetscCall(MatConvert(B2, MATIS, MAT_INITIAL_MATRIX, &A2)); 208 PetscCall(CheckMat(A, A2, PETSC_TRUE, "MatConvert_XAIJ_IS MAT_INITIAL_MATRIX")); 209 PetscCall(MatConvert(B2, MATIS, MAT_REUSE_MATRIX, &A2)); 210 PetscCall(CheckMat(A, A2, PETSC_TRUE, "MatConvert_XAIJ_IS MAT_REUSE_MATRIX")); 211 PetscCall(MatConvert(B2, MATIS, MAT_INPLACE_MATRIX, &B2)); 212 PetscCall(CheckMat(A, B2, PETSC_TRUE, "MatConvert_XAIJ_IS MAT_INPLACE_MATRIX")); 213 PetscCall(MatDestroy(&A2)); 214 PetscCall(MatDestroy(&B2)); 215 PetscCall(PetscStrcmp(lmtype, MATSEQAIJ, &isaij)); 216 if (size == 1 && isaij) { /* tests special code paths in MatConvert_IS_XAIJ */ 217 PetscInt ri, ci, rr[3] = {0, 1, 0}, cr[4] = {1, 2, 0, 1}, rk[3] = {0, 2, 1}, ck[4] = {1, 0, 3, 2}; 218 ISLocalToGlobalMapping tcmap, trmap; 219 220 for (ri = 0; ri < 2; ri++) { 221 PetscInt *r; 222 223 r = (PetscInt *)(ri == 0 ? rr : rk); 224 for (ci = 0; ci < 2; ci++) { 225 PetscInt *c, rb, cb; 226 227 c = (PetscInt *)(ci == 0 ? cr : ck); 228 for (rb = 1; rb < 4; rb++) { 229 PetscCall(ISCreateBlock(PETSC_COMM_SELF, rb, 3, r, PETSC_COPY_VALUES, &is)); 230 PetscCall(ISLocalToGlobalMappingCreateIS(is, &trmap)); 231 PetscCall(ISDestroy(&is)); 232 for (cb = 1; cb < 4; cb++) { 233 Mat T, lT, T2; 234 char testname[256]; 235 236 PetscCall(PetscSNPrintf(testname, sizeof(testname), "MatConvert_IS_XAIJ special case (%" PetscInt_FMT " %" PetscInt_FMT ", bs %" PetscInt_FMT " %" PetscInt_FMT ")", ri, ci, rb, cb)); 237 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test %s\n", testname)); 238 239 PetscCall(ISCreateBlock(PETSC_COMM_SELF, cb, 4, c, PETSC_COPY_VALUES, &is)); 240 PetscCall(ISLocalToGlobalMappingCreateIS(is, &tcmap)); 241 PetscCall(ISDestroy(&is)); 242 243 PetscCall(MatCreate(PETSC_COMM_SELF, &T)); 244 PetscCall(MatSetSizes(T, PETSC_DECIDE, PETSC_DECIDE, rb * 3, cb * 4)); 245 PetscCall(MatSetType(T, MATIS)); 246 PetscCall(MatSetLocalToGlobalMapping(T, trmap, tcmap)); 247 PetscCall(ISLocalToGlobalMappingDestroy(&tcmap)); 248 PetscCall(MatISGetLocalMat(T, &lT)); 249 PetscCall(MatSetType(lT, MATSEQAIJ)); 250 PetscCall(MatSeqAIJSetPreallocation(lT, cb * 4, NULL)); 251 PetscCall(MatSetRandom(lT, NULL)); 252 PetscCall(MatConvert(lT, lmtype, MAT_INPLACE_MATRIX, &lT)); 253 PetscCall(MatISRestoreLocalMat(T, &lT)); 254 PetscCall(MatAssemblyBegin(T, MAT_FINAL_ASSEMBLY)); 255 PetscCall(MatAssemblyEnd(T, MAT_FINAL_ASSEMBLY)); 256 257 PetscCall(MatConvert(T, MATAIJ, MAT_INITIAL_MATRIX, &T2)); 258 PetscCall(CheckMat(T, T2, PETSC_TRUE, "MAT_INITIAL_MATRIX")); 259 PetscCall(MatConvert(T, MATAIJ, MAT_REUSE_MATRIX, &T2)); 260 PetscCall(CheckMat(T, T2, PETSC_TRUE, "MAT_REUSE_MATRIX")); 261 PetscCall(MatDestroy(&T2)); 262 PetscCall(MatDuplicate(T, MAT_COPY_VALUES, &T2)); 263 PetscCall(MatConvert(T2, MATAIJ, MAT_INPLACE_MATRIX, &T2)); 264 PetscCall(CheckMat(T, T2, PETSC_TRUE, "MAT_INPLACE_MATRIX")); 265 PetscCall(MatDestroy(&T)); 266 PetscCall(MatDestroy(&T2)); 267 } 268 PetscCall(ISLocalToGlobalMappingDestroy(&trmap)); 269 } 270 } 271 } 272 } 273 274 /* test MatDiagonalScale */ 275 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatDiagonalScale\n")); 276 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2)); 277 PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2)); 278 PetscCall(MatCreateVecs(A, &x, &y)); 279 PetscCall(VecSetRandom(x, NULL)); 280 if (issymmetric) { 281 PetscCall(VecCopy(x, y)); 282 } else { 283 PetscCall(VecSetRandom(y, NULL)); 284 PetscCall(VecScale(y, 8.)); 285 } 286 PetscCall(MatDiagonalScale(A2, y, x)); 287 PetscCall(MatDiagonalScale(B2, y, x)); 288 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatDiagonalScale")); 289 PetscCall(MatDestroy(&A2)); 290 PetscCall(MatDestroy(&B2)); 291 PetscCall(VecDestroy(&x)); 292 PetscCall(VecDestroy(&y)); 293 294 /* test MatPtAP (A IS and B AIJ) */ 295 if (isaij && m == n) { 296 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatPtAP\n")); 297 PetscCall(MatISStoreL2L(A, PETSC_TRUE)); 298 PetscCall(MatPtAP(A, B, MAT_INITIAL_MATRIX, PETSC_DEFAULT, &A2)); 299 PetscCall(MatPtAP(B, B, MAT_INITIAL_MATRIX, PETSC_DEFAULT, &B2)); 300 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatPtAP MAT_INITIAL_MATRIX")); 301 PetscCall(MatPtAP(A, B, MAT_REUSE_MATRIX, PETSC_DEFAULT, &A2)); 302 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatPtAP MAT_REUSE_MATRIX")); 303 PetscCall(MatDestroy(&A2)); 304 PetscCall(MatDestroy(&B2)); 305 } 306 307 /* test MatGetLocalSubMatrix */ 308 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatGetLocalSubMatrix\n")); 309 PetscCall(MatDuplicate(A, MAT_DO_NOT_COPY_VALUES, &A2)); 310 PetscCall(ISCreateStride(PETSC_COMM_SELF, lm / 2 + lm % 2, 0, 2, &reven)); 311 PetscCall(ISComplement(reven, 0, lm, &rodd)); 312 PetscCall(ISCreateStride(PETSC_COMM_SELF, ln / 2 + ln % 2, 0, 2, &ceven)); 313 PetscCall(ISComplement(ceven, 0, ln, &codd)); 314 PetscCall(MatGetLocalSubMatrix(A2, reven, ceven, &Aee)); 315 PetscCall(MatGetLocalSubMatrix(A2, reven, codd, &Aeo)); 316 PetscCall(MatGetLocalSubMatrix(A2, rodd, ceven, &Aoe)); 317 PetscCall(MatGetLocalSubMatrix(A2, rodd, codd, &Aoo)); 318 for (i = 0; i < lm; i++) { 319 PetscInt j, je, jo, colse[3], colso[3]; 320 PetscScalar ve[3], vo[3]; 321 PetscScalar v[3]; 322 PetscInt cols[3]; 323 PetscInt row = i / 2; 324 325 cols[0] = (i - 1 + n) % n; 326 cols[1] = i % n; 327 cols[2] = (i + 1) % n; 328 v[0] = -1. * (symmetric ? PetscMin(i + 1, cols[0] + 1) : i + 1); 329 v[1] = 2. * (symmetric ? PetscMin(i + 1, cols[1] + 1) : i + 1); 330 v[2] = -1. * (symmetric ? PetscMin(i + 1, cols[2] + 1) : i + 1); 331 PetscCall(ISGlobalToLocalMappingApply(cmap, IS_GTOLM_MASK, 3, cols, NULL, cols)); 332 for (j = 0, je = 0, jo = 0; j < 3; j++) { 333 if (cols[j] % 2) { 334 vo[jo] = v[j]; 335 colso[jo++] = cols[j] / 2; 336 } else { 337 ve[je] = v[j]; 338 colse[je++] = cols[j] / 2; 339 } 340 } 341 if (i % 2) { 342 PetscCall(MatSetValuesLocal(Aoe, 1, &row, je, colse, ve, ADD_VALUES)); 343 PetscCall(MatSetValuesLocal(Aoo, 1, &row, jo, colso, vo, ADD_VALUES)); 344 } else { 345 PetscCall(MatSetValuesLocal(Aee, 1, &row, je, colse, ve, ADD_VALUES)); 346 PetscCall(MatSetValuesLocal(Aeo, 1, &row, jo, colso, vo, ADD_VALUES)); 347 } 348 } 349 PetscCall(MatRestoreLocalSubMatrix(A2, reven, ceven, &Aee)); 350 PetscCall(MatRestoreLocalSubMatrix(A2, reven, codd, &Aeo)); 351 PetscCall(MatRestoreLocalSubMatrix(A2, rodd, ceven, &Aoe)); 352 PetscCall(MatRestoreLocalSubMatrix(A2, rodd, codd, &Aoo)); 353 PetscCall(ISDestroy(&reven)); 354 PetscCall(ISDestroy(&ceven)); 355 PetscCall(ISDestroy(&rodd)); 356 PetscCall(ISDestroy(&codd)); 357 PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY)); 358 PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY)); 359 PetscCall(MatAXPY(A2, -1., A, SAME_NONZERO_PATTERN)); 360 PetscCall(CheckMat(A2, NULL, PETSC_FALSE, "MatGetLocalSubMatrix")); 361 PetscCall(MatDestroy(&A2)); 362 363 /* test MatConvert_Nest_IS */ 364 testT = PETSC_FALSE; 365 PetscCall(PetscOptionsGetBool(NULL, NULL, "-test_trans", &testT, NULL)); 366 367 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatConvert_Nest_IS\n")); 368 nr = 2; 369 nc = 2; 370 PetscCall(PetscOptionsGetInt(NULL, NULL, "-nr", &nr, NULL)); 371 PetscCall(PetscOptionsGetInt(NULL, NULL, "-nc", &nc, NULL)); 372 if (testT) { 373 PetscCall(MatGetOwnershipRange(A, &cst, &cen)); 374 PetscCall(MatGetOwnershipRangeColumn(A, &rst, &ren)); 375 } else { 376 PetscCall(MatGetOwnershipRange(A, &rst, &ren)); 377 PetscCall(MatGetOwnershipRangeColumn(A, &cst, &cen)); 378 } 379 PetscCall(PetscMalloc3(nr, &rows, nc, &cols, 2 * nr * nc, &mats)); 380 for (i = 0; i < nr * nc; i++) { 381 if (testT) { 382 PetscCall(MatCreateTranspose(A, &mats[i])); 383 PetscCall(MatTranspose(B, MAT_INITIAL_MATRIX, &mats[i + nr * nc])); 384 } else { 385 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &mats[i])); 386 PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &mats[i + nr * nc])); 387 } 388 } 389 for (i = 0; i < nr; i++) PetscCall(ISCreateStride(PETSC_COMM_WORLD, ren - rst, i + rst, nr, &rows[i])); 390 for (i = 0; i < nc; i++) PetscCall(ISCreateStride(PETSC_COMM_WORLD, cen - cst, i + cst, nc, &cols[i])); 391 PetscCall(MatCreateNest(PETSC_COMM_WORLD, nr, rows, nc, cols, mats, &A2)); 392 PetscCall(MatCreateNest(PETSC_COMM_WORLD, nr, rows, nc, cols, mats + nr * nc, &B2)); 393 for (i = 0; i < nr; i++) PetscCall(ISDestroy(&rows[i])); 394 for (i = 0; i < nc; i++) PetscCall(ISDestroy(&cols[i])); 395 for (i = 0; i < 2 * nr * nc; i++) PetscCall(MatDestroy(&mats[i])); 396 PetscCall(PetscFree3(rows, cols, mats)); 397 PetscCall(MatConvert(B2, MATAIJ, MAT_INITIAL_MATRIX, &T)); 398 PetscCall(MatDestroy(&B2)); 399 PetscCall(MatConvert(A2, MATIS, MAT_INITIAL_MATRIX, &B2)); 400 PetscCall(CheckMat(B2, T, PETSC_TRUE, "MatConvert_Nest_IS MAT_INITIAL_MATRIX")); 401 PetscCall(MatConvert(A2, MATIS, MAT_REUSE_MATRIX, &B2)); 402 PetscCall(CheckMat(B2, T, PETSC_TRUE, "MatConvert_Nest_IS MAT_REUSE_MATRIX")); 403 PetscCall(MatDestroy(&B2)); 404 PetscCall(MatConvert(A2, MATIS, MAT_INPLACE_MATRIX, &A2)); 405 PetscCall(CheckMat(A2, T, PETSC_TRUE, "MatConvert_Nest_IS MAT_INPLACE_MATRIX")); 406 PetscCall(MatDestroy(&T)); 407 PetscCall(MatDestroy(&A2)); 408 409 /* test MatCreateSubMatrix */ 410 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatCreateSubMatrix\n")); 411 if (rank == 0) { 412 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 1, 1, 1, &is)); 413 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 2, 0, 1, &is2)); 414 } else if (rank == 1) { 415 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 1, 0, 1, &is)); 416 if (n > 3) { 417 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 1, 3, 1, &is2)); 418 } else { 419 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is2)); 420 } 421 } else if (rank == 2 && n > 4) { 422 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is)); 423 PetscCall(ISCreateStride(PETSC_COMM_WORLD, n - 4, 4, 1, &is2)); 424 } else { 425 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is)); 426 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is2)); 427 } 428 PetscCall(MatCreateSubMatrix(A, is, is, MAT_INITIAL_MATRIX, &A2)); 429 PetscCall(MatCreateSubMatrix(B, is, is, MAT_INITIAL_MATRIX, &B2)); 430 PetscCall(CheckMat(A2, B2, PETSC_TRUE, "first MatCreateSubMatrix")); 431 432 PetscCall(MatCreateSubMatrix(A, is, is, MAT_REUSE_MATRIX, &A2)); 433 PetscCall(MatCreateSubMatrix(B, is, is, MAT_REUSE_MATRIX, &B2)); 434 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "reuse MatCreateSubMatrix")); 435 PetscCall(MatDestroy(&A2)); 436 PetscCall(MatDestroy(&B2)); 437 438 if (!issymmetric) { 439 PetscCall(MatCreateSubMatrix(A, is, is2, MAT_INITIAL_MATRIX, &A2)); 440 PetscCall(MatCreateSubMatrix(B, is, is2, MAT_INITIAL_MATRIX, &B2)); 441 PetscCall(MatCreateSubMatrix(A, is, is2, MAT_REUSE_MATRIX, &A2)); 442 PetscCall(MatCreateSubMatrix(B, is, is2, MAT_REUSE_MATRIX, &B2)); 443 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "second MatCreateSubMatrix")); 444 } 445 446 PetscCall(MatDestroy(&A2)); 447 PetscCall(MatDestroy(&B2)); 448 PetscCall(ISDestroy(&is)); 449 PetscCall(ISDestroy(&is2)); 450 451 /* test MatCreateSubMatrices */ 452 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatCreateSubMatrices\n")); 453 PetscCall(MatGetLayouts(A, &rlayout, &clayout)); 454 PetscCall(PetscLayoutGetRanges(rlayout, &rrange)); 455 PetscCall(PetscLayoutGetRanges(clayout, &crange)); 456 lrank = (size + rank - 1) % size; 457 rrank = (rank + 1) % size; 458 PetscCall(ISCreateStride(PETSC_COMM_SELF, (rrange[lrank + 1] - rrange[lrank]), rrange[lrank], 1, &irow[0])); 459 PetscCall(ISCreateStride(PETSC_COMM_SELF, (crange[rrank + 1] - crange[rrank]), crange[rrank], 1, &icol[0])); 460 PetscCall(ISCreateStride(PETSC_COMM_SELF, (rrange[rrank + 1] - rrange[rrank]), rrange[rrank], 1, &irow[1])); 461 PetscCall(ISCreateStride(PETSC_COMM_SELF, (crange[lrank + 1] - crange[lrank]), crange[lrank], 1, &icol[1])); 462 PetscCall(MatCreateSubMatrices(A, 2, irow, icol, MAT_INITIAL_MATRIX, &Asub)); 463 PetscCall(MatCreateSubMatrices(B, 2, irow, icol, MAT_INITIAL_MATRIX, &Bsub)); 464 PetscCall(CheckMat(Asub[0], Bsub[0], PETSC_FALSE, "MatCreateSubMatrices[0]")); 465 PetscCall(CheckMat(Asub[1], Bsub[1], PETSC_FALSE, "MatCreateSubMatrices[1]")); 466 PetscCall(MatCreateSubMatrices(A, 2, irow, icol, MAT_REUSE_MATRIX, &Asub)); 467 PetscCall(MatCreateSubMatrices(B, 2, irow, icol, MAT_REUSE_MATRIX, &Bsub)); 468 PetscCall(CheckMat(Asub[0], Bsub[0], PETSC_FALSE, "MatCreateSubMatrices[0]")); 469 PetscCall(CheckMat(Asub[1], Bsub[1], PETSC_FALSE, "MatCreateSubMatrices[1]")); 470 PetscCall(MatDestroySubMatrices(2, &Asub)); 471 PetscCall(MatDestroySubMatrices(2, &Bsub)); 472 PetscCall(ISDestroy(&irow[0])); 473 PetscCall(ISDestroy(&irow[1])); 474 PetscCall(ISDestroy(&icol[0])); 475 PetscCall(ISDestroy(&icol[1])); 476 477 /* Create an IS required by MatZeroRows(): just rank zero provides the rows to be eliminated */ 478 if (size > 1) { 479 if (rank == 0) { 480 PetscInt st, len; 481 482 st = (m + 1) / 2; 483 len = PetscMin(m / 2, PetscMax(m - (m + 1) / 2 - 1, 0)); 484 PetscCall(ISCreateStride(PETSC_COMM_WORLD, len, st, 1, &is)); 485 } else { 486 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is)); 487 } 488 } else { 489 PetscCall(ISCreateStride(PETSC_COMM_WORLD, 1, 0, 1, &is)); 490 } 491 492 if (squaretest) { /* tests for square matrices only, with same maps for rows and columns */ 493 PetscInt *idx0, *idx1, n0, n1; 494 IS Ais[2], Bis[2]; 495 496 /* test MatDiagonalSet */ 497 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatDiagonalSet\n")); 498 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2)); 499 PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2)); 500 PetscCall(MatCreateVecs(A, NULL, &x)); 501 PetscCall(VecSetRandom(x, NULL)); 502 PetscCall(MatDiagonalSet(A2, x, INSERT_VALUES)); 503 PetscCall(MatDiagonalSet(B2, x, INSERT_VALUES)); 504 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatDiagonalSet")); 505 PetscCall(VecDestroy(&x)); 506 PetscCall(MatDestroy(&A2)); 507 PetscCall(MatDestroy(&B2)); 508 509 /* test MatShift (MatShift_IS internally uses MatDiagonalSet_IS with ADD_VALUES) */ 510 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatShift\n")); 511 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2)); 512 PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2)); 513 PetscCall(MatShift(A2, 2.0)); 514 PetscCall(MatShift(B2, 2.0)); 515 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatShift")); 516 PetscCall(MatDestroy(&A2)); 517 PetscCall(MatDestroy(&B2)); 518 519 /* nonzero diag value is supported for square matrices only */ 520 PetscCall(TestMatZeroRows(A, B, PETSC_TRUE, is, diag)); 521 522 /* test MatIncreaseOverlap */ 523 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatIncreaseOverlap\n")); 524 PetscCall(MatGetOwnershipRange(A, &rst, &ren)); 525 n0 = (ren - rst) / 2; 526 n1 = (ren - rst) / 3; 527 PetscCall(PetscMalloc1(n0, &idx0)); 528 PetscCall(PetscMalloc1(n1, &idx1)); 529 for (i = 0; i < n0; i++) idx0[i] = ren - i - 1; 530 for (i = 0; i < n1; i++) idx1[i] = rst + i; 531 PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, n0, idx0, PETSC_OWN_POINTER, &Ais[0])); 532 PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, n1, idx1, PETSC_OWN_POINTER, &Ais[1])); 533 PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, n0, idx0, PETSC_COPY_VALUES, &Bis[0])); 534 PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, n1, idx1, PETSC_COPY_VALUES, &Bis[1])); 535 PetscCall(MatIncreaseOverlap(A, 2, Ais, 3)); 536 PetscCall(MatIncreaseOverlap(B, 2, Bis, 3)); 537 /* Non deterministic output! */ 538 PetscCall(ISSort(Ais[0])); 539 PetscCall(ISSort(Ais[1])); 540 PetscCall(ISSort(Bis[0])); 541 PetscCall(ISSort(Bis[1])); 542 PetscCall(ISView(Ais[0], NULL)); 543 PetscCall(ISView(Bis[0], NULL)); 544 PetscCall(ISView(Ais[1], NULL)); 545 PetscCall(ISView(Bis[1], NULL)); 546 PetscCall(MatCreateSubMatrices(A, 2, Ais, Ais, MAT_INITIAL_MATRIX, &Asub)); 547 PetscCall(MatCreateSubMatrices(B, 2, Bis, Ais, MAT_INITIAL_MATRIX, &Bsub)); 548 PetscCall(CheckMat(Asub[0], Bsub[0], PETSC_FALSE, "MatIncreaseOverlap[0]")); 549 PetscCall(CheckMat(Asub[1], Bsub[1], PETSC_FALSE, "MatIncreaseOverlap[1]")); 550 PetscCall(MatDestroySubMatrices(2, &Asub)); 551 PetscCall(MatDestroySubMatrices(2, &Bsub)); 552 PetscCall(ISDestroy(&Ais[0])); 553 PetscCall(ISDestroy(&Ais[1])); 554 PetscCall(ISDestroy(&Bis[0])); 555 PetscCall(ISDestroy(&Bis[1])); 556 } 557 PetscCall(TestMatZeroRows(A, B, squaretest, is, 0.0)); 558 PetscCall(ISDestroy(&is)); 559 560 /* test MatTranspose */ 561 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatTranspose\n")); 562 PetscCall(MatTranspose(A, MAT_INITIAL_MATRIX, &A2)); 563 PetscCall(MatTranspose(B, MAT_INITIAL_MATRIX, &B2)); 564 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "initial matrix MatTranspose")); 565 566 PetscCall(MatTranspose(A, MAT_REUSE_MATRIX, &A2)); 567 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "reuse matrix (not in place) MatTranspose")); 568 PetscCall(MatDestroy(&A2)); 569 570 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2)); 571 PetscCall(MatTranspose(A2, MAT_INPLACE_MATRIX, &A2)); 572 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "reuse matrix (in place) MatTranspose")); 573 PetscCall(MatDestroy(&A2)); 574 575 PetscCall(MatTranspose(A, MAT_INITIAL_MATRIX, &A2)); 576 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "reuse matrix (different type) MatTranspose")); 577 PetscCall(MatDestroy(&A2)); 578 PetscCall(MatDestroy(&B2)); 579 580 /* test MatISFixLocalEmpty */ 581 if (isaij) { 582 PetscInt r[2]; 583 584 r[0] = 0; 585 r[1] = PetscMin(m, n) - 1; 586 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatISFixLocalEmpty\n")); 587 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2)); 588 589 PetscCall(MatISFixLocalEmpty(A2, PETSC_TRUE)); 590 PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY)); 591 PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY)); 592 PetscCall(CheckMat(A2, B, PETSC_FALSE, "MatISFixLocalEmpty (null)")); 593 594 PetscCall(MatZeroRows(A2, 2, r, 0.0, NULL, NULL)); 595 PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view")); 596 PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2)); 597 PetscCall(MatZeroRows(B2, 2, r, 0.0, NULL, NULL)); 598 PetscCall(MatISFixLocalEmpty(A2, PETSC_TRUE)); 599 PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY)); 600 PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY)); 601 PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view")); 602 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatISFixLocalEmpty (rows)")); 603 PetscCall(MatDestroy(&A2)); 604 605 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2)); 606 PetscCall(MatZeroRows(A2, 2, r, 0.0, NULL, NULL)); 607 PetscCall(MatTranspose(A2, MAT_INPLACE_MATRIX, &A2)); 608 PetscCall(MatTranspose(B2, MAT_INPLACE_MATRIX, &B2)); 609 PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view")); 610 PetscCall(MatISFixLocalEmpty(A2, PETSC_TRUE)); 611 PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY)); 612 PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY)); 613 PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view")); 614 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatISFixLocalEmpty (cols)")); 615 616 PetscCall(MatDestroy(&A2)); 617 PetscCall(MatDestroy(&B2)); 618 619 if (squaretest) { 620 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2)); 621 PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2)); 622 PetscCall(MatZeroRowsColumns(A2, 2, r, 0.0, NULL, NULL)); 623 PetscCall(MatZeroRowsColumns(B2, 2, r, 0.0, NULL, NULL)); 624 PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view")); 625 PetscCall(MatISFixLocalEmpty(A2, PETSC_TRUE)); 626 PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY)); 627 PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY)); 628 PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view")); 629 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatISFixLocalEmpty (rows+cols)")); 630 PetscCall(MatDestroy(&A2)); 631 PetscCall(MatDestroy(&B2)); 632 } 633 } 634 635 /* test MatInvertBlockDiagonal 636 special cases for block-diagonal matrices */ 637 if (m == n) { 638 ISLocalToGlobalMapping map; 639 Mat Abd, Bbd; 640 IS is, bis; 641 const PetscScalar *isbd, *aijbd; 642 PetscScalar *vals; 643 const PetscInt *sts, *idxs; 644 PetscInt *idxs2, diff, perm, nl, bs, st, en, in; 645 PetscBool ok; 646 647 for (diff = 0; diff < 3; diff++) { 648 for (perm = 0; perm < 3; perm++) { 649 for (bs = 1; bs < 4; bs++) { 650 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatInvertBlockDiagonal blockdiag %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT "\n", n, diff, perm, bs)); 651 PetscCall(PetscMalloc1(bs * bs, &vals)); 652 PetscCall(MatGetOwnershipRanges(A, &sts)); 653 switch (diff) { 654 case 1: /* inverted layout by processes */ 655 in = 1; 656 st = sts[size - rank - 1]; 657 en = sts[size - rank]; 658 nl = en - st; 659 break; 660 case 2: /* round-robin layout */ 661 in = size; 662 st = rank; 663 nl = n / size; 664 if (rank < n % size) nl++; 665 break; 666 default: /* same layout */ 667 in = 1; 668 st = sts[rank]; 669 en = sts[rank + 1]; 670 nl = en - st; 671 break; 672 } 673 PetscCall(ISCreateStride(PETSC_COMM_WORLD, nl, st, in, &is)); 674 PetscCall(ISGetLocalSize(is, &nl)); 675 PetscCall(ISGetIndices(is, &idxs)); 676 PetscCall(PetscMalloc1(nl, &idxs2)); 677 for (i = 0; i < nl; i++) { 678 switch (perm) { /* invert some of the indices */ 679 case 2: 680 idxs2[i] = rank % 2 ? idxs[i] : idxs[nl - i - 1]; 681 break; 682 case 1: 683 idxs2[i] = rank % 2 ? idxs[nl - i - 1] : idxs[i]; 684 break; 685 default: 686 idxs2[i] = idxs[i]; 687 break; 688 } 689 } 690 PetscCall(ISRestoreIndices(is, &idxs)); 691 PetscCall(ISCreateBlock(PETSC_COMM_WORLD, bs, nl, idxs2, PETSC_OWN_POINTER, &bis)); 692 PetscCall(ISLocalToGlobalMappingCreateIS(bis, &map)); 693 PetscCall(MatCreateIS(PETSC_COMM_WORLD, bs, PETSC_DECIDE, PETSC_DECIDE, bs * n, bs * n, map, map, &Abd)); 694 PetscCall(ISLocalToGlobalMappingDestroy(&map)); 695 PetscCall(MatISSetPreallocation(Abd, bs, NULL, 0, NULL)); 696 for (i = 0; i < nl; i++) { 697 PetscInt b1, b2; 698 699 for (b1 = 0; b1 < bs; b1++) { 700 for (b2 = 0; b2 < bs; b2++) vals[b1 * bs + b2] = i * bs * bs + b1 * bs + b2 + 1 + (b1 == b2 ? 1.0 : 0); 701 } 702 PetscCall(MatSetValuesBlockedLocal(Abd, 1, &i, 1, &i, vals, INSERT_VALUES)); 703 } 704 PetscCall(MatAssemblyBegin(Abd, MAT_FINAL_ASSEMBLY)); 705 PetscCall(MatAssemblyEnd(Abd, MAT_FINAL_ASSEMBLY)); 706 PetscCall(MatConvert(Abd, MATAIJ, MAT_INITIAL_MATRIX, &Bbd)); 707 PetscCall(MatInvertBlockDiagonal(Abd, &isbd)); 708 PetscCall(MatInvertBlockDiagonal(Bbd, &aijbd)); 709 PetscCall(MatGetLocalSize(Bbd, &nl, NULL)); 710 ok = PETSC_TRUE; 711 for (i = 0; i < nl / bs; i++) { 712 PetscInt b1, b2; 713 714 for (b1 = 0; b1 < bs; b1++) { 715 for (b2 = 0; b2 < bs; b2++) { 716 if (PetscAbsScalar(isbd[i * bs * bs + b1 * bs + b2] - aijbd[i * bs * bs + b1 * bs + b2]) > PETSC_SMALL) ok = PETSC_FALSE; 717 if (!ok) { 718 PetscCall(PetscPrintf(PETSC_COMM_SELF, "[%d] ERROR block %" PetscInt_FMT ", entry %" PetscInt_FMT " %" PetscInt_FMT ": %g %g\n", rank, i, b1, b2, (double)PetscAbsScalar(isbd[i * bs * bs + b1 * bs + b2]), (double)PetscAbsScalar(aijbd[i * bs * bs + b1 * bs + b2]))); 719 break; 720 } 721 } 722 if (!ok) break; 723 } 724 if (!ok) break; 725 } 726 PetscCall(MatDestroy(&Abd)); 727 PetscCall(MatDestroy(&Bbd)); 728 PetscCall(PetscFree(vals)); 729 PetscCall(ISDestroy(&is)); 730 PetscCall(ISDestroy(&bis)); 731 } 732 } 733 } 734 } 735 736 /* test MatGetDiagonalBlock */ 737 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatGetDiagonalBlock\n")); 738 PetscCall(MatGetDiagonalBlock(A, &A2)); 739 PetscCall(MatGetDiagonalBlock(B, &B2)); 740 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatGetDiagonalBlock")); 741 PetscCall(MatScale(A, 2.0)); 742 PetscCall(MatScale(B, 2.0)); 743 PetscCall(MatGetDiagonalBlock(A, &A2)); 744 PetscCall(MatGetDiagonalBlock(B, &B2)); 745 PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatGetDiagonalBlock")); 746 747 /* free testing matrices */ 748 PetscCall(ISLocalToGlobalMappingDestroy(&cmap)); 749 PetscCall(ISLocalToGlobalMappingDestroy(&rmap)); 750 PetscCall(MatDestroy(&A)); 751 PetscCall(MatDestroy(&B)); 752 PetscCall(PetscFinalize()); 753 return 0; 754 } 755 756 PetscErrorCode CheckMat(Mat A, Mat B, PetscBool usemult, const char *func) 757 { 758 Mat Bcheck; 759 PetscReal error; 760 761 PetscFunctionBeginUser; 762 if (!usemult && B) { 763 PetscBool hasnorm; 764 765 PetscCall(MatHasOperation(B, MATOP_NORM, &hasnorm)); 766 if (!hasnorm) usemult = PETSC_TRUE; 767 } 768 if (!usemult) { 769 if (B) { 770 MatType Btype; 771 772 PetscCall(MatGetType(B, &Btype)); 773 PetscCall(MatConvert(A, Btype, MAT_INITIAL_MATRIX, &Bcheck)); 774 } else { 775 PetscCall(MatConvert(A, MATAIJ, MAT_INITIAL_MATRIX, &Bcheck)); 776 } 777 if (B) { /* if B is present, subtract it */ 778 PetscCall(MatAXPY(Bcheck, -1., B, DIFFERENT_NONZERO_PATTERN)); 779 } 780 PetscCall(MatNorm(Bcheck, NORM_INFINITY, &error)); 781 if (error > PETSC_SQRT_MACHINE_EPSILON) { 782 ISLocalToGlobalMapping rl2g, cl2g; 783 784 PetscCall(PetscObjectSetName((PetscObject)Bcheck, "Bcheck")); 785 PetscCall(MatView(Bcheck, NULL)); 786 if (B) { 787 PetscCall(PetscObjectSetName((PetscObject)B, "B")); 788 PetscCall(MatView(B, NULL)); 789 PetscCall(MatDestroy(&Bcheck)); 790 PetscCall(MatConvert(A, MATAIJ, MAT_INITIAL_MATRIX, &Bcheck)); 791 PetscCall(PetscObjectSetName((PetscObject)Bcheck, "Assembled A")); 792 PetscCall(MatView(Bcheck, NULL)); 793 } 794 PetscCall(MatDestroy(&Bcheck)); 795 PetscCall(PetscObjectSetName((PetscObject)A, "A")); 796 PetscCall(MatView(A, NULL)); 797 PetscCall(MatGetLocalToGlobalMapping(A, &rl2g, &cl2g)); 798 if (rl2g) PetscCall(ISLocalToGlobalMappingView(rl2g, NULL)); 799 if (cl2g) PetscCall(ISLocalToGlobalMappingView(cl2g, NULL)); 800 SETERRQ(PetscObjectComm((PetscObject)A), PETSC_ERR_PLIB, "ERROR ON %s: %g", func, (double)error); 801 } 802 PetscCall(MatDestroy(&Bcheck)); 803 } else { 804 PetscBool ok, okt; 805 806 PetscCall(MatMultEqual(A, B, 3, &ok)); 807 PetscCall(MatMultTransposeEqual(A, B, 3, &okt)); 808 PetscCheck(ok && okt, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "ERROR ON %s: mult ok ? %d, multtranspose ok ? %d", func, ok, okt); 809 } 810 PetscFunctionReturn(PETSC_SUCCESS); 811 } 812 813 PetscErrorCode TestMatZeroRows(Mat A, Mat Afull, PetscBool squaretest, IS is, PetscScalar diag) 814 { 815 Mat B, Bcheck, B2 = NULL, lB; 816 Vec x = NULL, b = NULL, b2 = NULL; 817 ISLocalToGlobalMapping l2gr, l2gc; 818 PetscReal error; 819 char diagstr[16]; 820 const PetscInt *idxs; 821 PetscInt rst, ren, i, n, N, d; 822 PetscMPIInt rank; 823 PetscBool miss, haszerorows; 824 825 PetscFunctionBeginUser; 826 if (diag == 0.) { 827 PetscCall(PetscStrcpy(diagstr, "zero")); 828 } else { 829 PetscCall(PetscStrcpy(diagstr, "nonzero")); 830 } 831 PetscCall(ISView(is, NULL)); 832 PetscCall(MatGetLocalToGlobalMapping(A, &l2gr, &l2gc)); 833 /* tests MatDuplicate and MatCopy */ 834 if (diag == 0.) { 835 PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &B)); 836 } else { 837 PetscCall(MatDuplicate(A, MAT_DO_NOT_COPY_VALUES, &B)); 838 PetscCall(MatCopy(A, B, SAME_NONZERO_PATTERN)); 839 } 840 PetscCall(MatISGetLocalMat(B, &lB)); 841 PetscCall(MatHasOperation(lB, MATOP_ZERO_ROWS, &haszerorows)); 842 if (squaretest && haszerorows) { 843 PetscCall(MatCreateVecs(B, &x, &b)); 844 PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2)); 845 PetscCall(VecSetLocalToGlobalMapping(b, l2gr)); 846 PetscCall(VecSetLocalToGlobalMapping(x, l2gc)); 847 PetscCall(VecSetRandom(x, NULL)); 848 PetscCall(VecSetRandom(b, NULL)); 849 /* mimic b[is] = x[is] */ 850 PetscCall(VecDuplicate(b, &b2)); 851 PetscCall(VecSetLocalToGlobalMapping(b2, l2gr)); 852 PetscCall(VecCopy(b, b2)); 853 PetscCall(ISGetLocalSize(is, &n)); 854 PetscCall(ISGetIndices(is, &idxs)); 855 PetscCall(VecGetSize(x, &N)); 856 for (i = 0; i < n; i++) { 857 if (0 <= idxs[i] && idxs[i] < N) { 858 PetscCall(VecSetValue(b2, idxs[i], diag, INSERT_VALUES)); 859 PetscCall(VecSetValue(x, idxs[i], 1., INSERT_VALUES)); 860 } 861 } 862 PetscCall(VecAssemblyBegin(b2)); 863 PetscCall(VecAssemblyEnd(b2)); 864 PetscCall(VecAssemblyBegin(x)); 865 PetscCall(VecAssemblyEnd(x)); 866 PetscCall(ISRestoreIndices(is, &idxs)); 867 /* test ZeroRows on MATIS */ 868 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRows (diag %s)\n", diagstr)); 869 PetscCall(MatZeroRowsIS(B, is, diag, x, b)); 870 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRowsColumns (diag %s)\n", diagstr)); 871 PetscCall(MatZeroRowsColumnsIS(B2, is, diag, NULL, NULL)); 872 } else if (haszerorows) { 873 /* test ZeroRows on MATIS */ 874 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRows (diag %s)\n", diagstr)); 875 PetscCall(MatZeroRowsIS(B, is, diag, NULL, NULL)); 876 b = b2 = x = NULL; 877 } else { 878 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Skipping MatZeroRows (diag %s)\n", diagstr)); 879 b = b2 = x = NULL; 880 } 881 882 if (squaretest && haszerorows) { 883 PetscCall(VecAXPY(b2, -1., b)); 884 PetscCall(VecNorm(b2, NORM_INFINITY, &error)); 885 PetscCheck(error <= PETSC_SQRT_MACHINE_EPSILON, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "ERROR IN ZEROROWS ON B %g (diag %s)", (double)error, diagstr); 886 } 887 888 /* test MatMissingDiagonal */ 889 PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatMissingDiagonal\n")); 890 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 891 PetscCall(MatMissingDiagonal(B, &miss, &d)); 892 PetscCall(MatGetOwnershipRange(B, &rst, &ren)); 893 PetscCall(PetscViewerASCIIPushSynchronized(PETSC_VIEWER_STDOUT_WORLD)); 894 PetscCall(PetscViewerASCIISynchronizedPrintf(PETSC_VIEWER_STDOUT_WORLD, "[%d] [%" PetscInt_FMT ",%" PetscInt_FMT ") Missing %d, row %" PetscInt_FMT " (diag %s)\n", rank, rst, ren, (int)miss, d, diagstr)); 895 PetscCall(PetscViewerFlush(PETSC_VIEWER_STDOUT_WORLD)); 896 PetscCall(PetscViewerASCIIPopSynchronized(PETSC_VIEWER_STDOUT_WORLD)); 897 898 PetscCall(VecDestroy(&x)); 899 PetscCall(VecDestroy(&b)); 900 PetscCall(VecDestroy(&b2)); 901 902 /* check the result of ZeroRows with that from MPIAIJ routines 903 assuming that MatConvert_IS_XAIJ and MatZeroRows_MPIAIJ work fine */ 904 if (haszerorows) { 905 PetscCall(MatDuplicate(Afull, MAT_COPY_VALUES, &Bcheck)); 906 PetscCall(MatSetOption(Bcheck, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE)); 907 PetscCall(MatZeroRowsIS(Bcheck, is, diag, NULL, NULL)); 908 PetscCall(CheckMat(B, Bcheck, PETSC_FALSE, "Zerorows")); 909 PetscCall(MatDestroy(&Bcheck)); 910 } 911 PetscCall(MatDestroy(&B)); 912 913 if (B2) { /* test MatZeroRowsColumns */ 914 PetscCall(MatDuplicate(Afull, MAT_COPY_VALUES, &B)); 915 PetscCall(MatSetOption(B, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE)); 916 PetscCall(MatZeroRowsColumnsIS(B, is, diag, NULL, NULL)); 917 PetscCall(CheckMat(B2, B, PETSC_FALSE, "MatZeroRowsColumns")); 918 PetscCall(MatDestroy(&B)); 919 PetscCall(MatDestroy(&B2)); 920 } 921 PetscFunctionReturn(PETSC_SUCCESS); 922 } 923 924 /*TEST 925 926 test: 927 args: -test_trans 928 929 test: 930 suffix: 2 931 nsize: 4 932 args: -matis_convert_local_nest -nr 3 -nc 4 933 934 test: 935 suffix: 3 936 nsize: 5 937 args: -m 11 -n 10 -matis_convert_local_nest -nr 2 -nc 1 938 939 test: 940 suffix: 4 941 nsize: 6 942 args: -m 9 -n 12 -test_trans -nr 2 -nc 7 943 944 test: 945 suffix: 5 946 nsize: 6 947 args: -m 12 -n 12 -test_trans -nr 3 -nc 1 948 949 test: 950 suffix: 6 951 args: -m 12 -n 12 -test_trans -nr 2 -nc 3 -diffmap 952 953 test: 954 suffix: 7 955 args: -m 12 -n 12 -test_trans -nr 2 -nc 3 -diffmap -permmap 956 957 test: 958 suffix: 8 959 args: -m 12 -n 17 -test_trans -nr 2 -nc 3 -permmap 960 961 test: 962 suffix: 9 963 nsize: 5 964 args: -m 12 -n 12 -test_trans -nr 2 -nc 3 -diffmap 965 966 test: 967 suffix: 10 968 nsize: 5 969 args: -m 12 -n 12 -test_trans -nr 2 -nc 3 -diffmap -permmap 970 971 test: 972 suffix: vscat_default 973 nsize: 5 974 args: -m 12 -n 17 -test_trans -nr 2 -nc 3 -permmap 975 output_file: output/ex23_11.out 976 977 test: 978 suffix: 12 979 nsize: 3 980 args: -m 12 -n 12 -symmetric -matis_localmat_type sbaij -test_trans -nr 2 -nc 3 981 982 testset: 983 output_file: output/ex23_13.out 984 nsize: 3 985 args: -m 12 -n 17 -test_trans -nr 2 -nc 3 -diffmap -permmap 986 filter: grep -v "type:" 987 test: 988 suffix: baij 989 args: -matis_localmat_type baij 990 test: 991 requires: viennacl 992 suffix: viennacl 993 args: -matis_localmat_type aijviennacl 994 test: 995 requires: cuda 996 suffix: cusparse 997 args: -matis_localmat_type aijcusparse 998 999 test: 1000 suffix: negrep 1001 nsize: {{1 3}separate output} 1002 args: -m {{5 7}separate output} -n {{5 7}separate output} -test_trans -nr 2 -nc 3 -negmap {{0 1}separate output} -repmap {{0 1}separate output} -permmap -diffmap {{0 1}separate output} 1003 1004 TEST*/ 1005