Actual source code: ex23.c
1: static char help[] = "Tests the use of interface functions for MATIS matrices and conversion routines.\n";
3: #include <petscmat.h>
5: PetscErrorCode TestMatZeroRows(Mat, Mat, PetscBool, IS, PetscScalar, PetscBool);
6: PetscErrorCode CheckMat(Mat, Mat, PetscBool, const char *);
7: PetscErrorCode CheckVariableBlockSizes(Mat);
8: PetscErrorCode ISL2GMapNoNeg(ISLocalToGlobalMapping, IS, IS *);
10: int main(int argc, char **args)
11: {
12: Mat A, B, A2, B2, T;
13: Mat Aee, Aeo, Aoe, Aoo;
14: Mat *mats, *Asub, *Bsub;
15: Vec x, y;
16: MatInfo info;
17: ISLocalToGlobalMapping cmap, rmap;
18: IS is, lis, is2, reven, rodd, ceven, codd;
19: IS *rows, *cols;
20: IS irow[2], icol[2];
21: PetscLayout rlayout, clayout;
22: const PetscInt *rrange, *crange, *idxs1, *idxs2;
23: MatType lmtype;
24: PetscScalar diag = 2., *vals;
25: PetscInt n, m, i, lm, ln;
26: PetscInt rst, ren, cst, cen, nr, nc, rbs = 1, cbs = 1;
27: PetscMPIInt rank, size, lrank, rrank;
28: PetscBool testT, squaretest, isaij;
29: PetscBool permute = PETSC_FALSE, negmap = PETSC_FALSE, repmap = PETSC_FALSE, allow_repeated = PETSC_TRUE;
30: PetscBool diffmap = PETSC_TRUE, symmetric = PETSC_FALSE, issymmetric, test_matlab = PETSC_FALSE, test_setvalues = PETSC_TRUE;
31: PetscBool test_variableblocksizes = PETSC_FALSE;
33: PetscFunctionBeginUser;
34: PetscCall(PetscInitialize(&argc, &args, NULL, help));
35: PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank));
36: PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size));
37: m = n = 2 * size;
38: PetscCall(PetscOptionsGetBool(NULL, NULL, "-symmetric", &symmetric, NULL));
39: PetscCall(PetscOptionsGetInt(NULL, NULL, "-m", &m, NULL));
40: PetscCall(PetscOptionsGetInt(NULL, NULL, "-n", &n, NULL));
41: PetscCall(PetscOptionsGetBool(NULL, NULL, "-negmap", &negmap, NULL));
42: PetscCall(PetscOptionsGetBool(NULL, NULL, "-repmap", &repmap, NULL));
43: PetscCall(PetscOptionsGetBool(NULL, NULL, "-permmap", &permute, NULL));
44: PetscCall(PetscOptionsGetBool(NULL, NULL, "-diffmap", &diffmap, NULL));
45: PetscCall(PetscOptionsGetBool(NULL, NULL, "-allow_repeated", &allow_repeated, NULL));
46: PetscCall(PetscOptionsGetBool(NULL, NULL, "-test_matlab", &test_matlab, NULL));
47: PetscCall(PetscOptionsGetBool(NULL, NULL, "-test_setvalues", &test_setvalues, NULL));
48: PetscCall(PetscOptionsGetBool(NULL, NULL, "-test_variableblocksizes", &test_variableblocksizes, NULL));
49: PetscCall(PetscOptionsGetInt(NULL, NULL, "-rbs", &rbs, NULL));
50: PetscCall(PetscOptionsGetInt(NULL, NULL, "-cbs", &cbs, NULL));
51: PetscCheck(size == 1 || m >= 4, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Number of rows should be larger or equal 4 for parallel runs");
52: PetscCheck(size != 1 || m >= 2, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Number of rows should be larger or equal 2 for uniprocessor runs");
53: PetscCheck(n >= 2, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Number of cols should be larger or equal 2");
55: /* create a MATIS matrix */
56: PetscCall(MatCreate(PETSC_COMM_WORLD, &A));
57: PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, m, n));
58: PetscCall(MatSetType(A, MATIS));
59: PetscCall(MatSetFromOptions(A));
60: if (!negmap && !repmap) {
61: /* This is not the proper setting for MATIS for finite elements, it is just used to test the routines
62: Here we use a one-to-one correspondence between local row/column spaces and global row/column spaces
63: Equivalent to passing NULL for the mapping */
64: PetscCall(ISCreateStride(PETSC_COMM_WORLD, n, 0, 1, &is));
65: } else if (negmap && !repmap) { /* non repeated but with negative indices */
66: PetscCall(ISCreateStride(PETSC_COMM_WORLD, n + 2, -2, 1, &is));
67: } else if (!negmap && repmap) { /* non negative but repeated indices */
68: IS isl[2];
70: PetscCall(ISCreateStride(PETSC_COMM_WORLD, n, 0, 1, &isl[0]));
71: PetscCall(ISCreateStride(PETSC_COMM_WORLD, n, 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: } else { /* negative and repeated indices */
76: IS isl[2];
78: PetscCall(ISCreateStride(PETSC_COMM_WORLD, n + 1, -1, 1, &isl[0]));
79: PetscCall(ISCreateStride(PETSC_COMM_WORLD, n + 1, n - 1, -1, &isl[1]));
80: PetscCall(ISConcatenate(PETSC_COMM_WORLD, 2, isl, &is));
81: PetscCall(ISDestroy(&isl[0]));
82: PetscCall(ISDestroy(&isl[1]));
83: }
84: PetscCall(ISLocalToGlobalMappingCreateIS(is, &cmap));
85: PetscCall(ISDestroy(&is));
87: if (m != n || diffmap) {
88: PetscCall(ISCreateStride(PETSC_COMM_WORLD, m, permute ? m - 1 : 0, permute ? -1 : 1, &is));
89: PetscCall(ISLocalToGlobalMappingCreateIS(is, &rmap));
90: PetscCall(ISDestroy(&is));
91: } else {
92: PetscCall(PetscObjectReference((PetscObject)cmap));
93: rmap = cmap;
94: }
96: PetscCall(MatISSetAllowRepeated(A, allow_repeated));
97: PetscCall(MatSetLocalToGlobalMapping(A, rmap, cmap));
98: PetscCall(MatSetBlockSizes(A, rbs, cbs));
99: PetscCall(MatISStoreL2L(A, PETSC_FALSE));
100: PetscCall(MatISSetPreallocation(A, 3, NULL, 3, NULL));
101: PetscCall(MatSetOption(A, MAT_NEW_NONZERO_ALLOCATION_ERR, (PetscBool)!(repmap || negmap))); /* I do not want to precompute the pattern */
102: PetscCall(ISLocalToGlobalMappingGetSize(rmap, &lm));
103: PetscCall(ISLocalToGlobalMappingGetSize(cmap, &ln));
104: for (i = 0; i < lm; i++) {
105: PetscScalar v[3];
106: PetscInt cols[3];
108: cols[0] = (i - 1 + n) % n;
109: cols[1] = i % n;
110: cols[2] = (i + 1) % n;
111: v[0] = -1. * (symmetric ? PetscMin(i + 1, cols[0] + 1) : i + 1);
112: v[1] = 2. * (symmetric ? PetscMin(i + 1, cols[1] + 1) : i + 1);
113: v[2] = -1. * (symmetric ? PetscMin(i + 1, cols[2] + 1) : i + 1);
114: PetscCall(ISGlobalToLocalMappingApply(cmap, IS_GTOLM_MASK, 3, cols, NULL, cols));
115: PetscCall(MatSetValuesLocal(A, 1, &i, 3, cols, v, ADD_VALUES));
116: }
117: PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY));
118: PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY));
120: /* activate tests for square matrices with same maps only */
121: PetscCall(MatHasCongruentLayouts(A, &squaretest));
122: if (squaretest && rmap != cmap) {
123: PetscInt nr, nc;
125: PetscCall(ISLocalToGlobalMappingGetSize(rmap, &nr));
126: PetscCall(ISLocalToGlobalMappingGetSize(cmap, &nc));
127: if (nr != nc) squaretest = PETSC_FALSE;
128: else {
129: PetscCall(ISLocalToGlobalMappingGetIndices(rmap, &idxs1));
130: PetscCall(ISLocalToGlobalMappingGetIndices(cmap, &idxs2));
131: PetscCall(PetscArraycmp(idxs1, idxs2, nr, &squaretest));
132: PetscCall(ISLocalToGlobalMappingRestoreIndices(rmap, &idxs1));
133: PetscCall(ISLocalToGlobalMappingRestoreIndices(cmap, &idxs2));
134: }
135: PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &squaretest, 1, MPI_C_BOOL, MPI_LAND, PetscObjectComm((PetscObject)A)));
136: }
137: if (negmap && repmap) squaretest = PETSC_FALSE;
138: PetscCheck(squaretest || !test_variableblocksizes, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Variable block size test only for square matrices");
140: /* test MatISGetLocalMat */
141: PetscCall(MatISGetLocalMat(A, &B));
142: PetscCall(MatGetType(B, &lmtype));
143: if (test_variableblocksizes) {
144: PetscInt bsizes[2] = {rbs, lm - rbs};
146: PetscCall(MatSetVariableBlockSizes(B, PETSC_STATIC_ARRAY_LENGTH(bsizes), bsizes));
147: }
149: /* test MatGetInfo */
150: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatGetInfo\n"));
151: PetscCall(MatGetInfo(A, MAT_LOCAL, &info));
152: PetscCall(PetscViewerASCIIPushSynchronized(PETSC_VIEWER_STDOUT_WORLD));
153: 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,
154: (PetscInt)info.nz_unneeded, (PetscInt)info.assemblies, (PetscInt)info.mallocs));
155: PetscCall(PetscViewerFlush(PETSC_VIEWER_STDOUT_WORLD));
156: PetscCall(MatGetInfo(A, MAT_GLOBAL_MAX, &info));
157: 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,
158: (PetscInt)info.assemblies, (PetscInt)info.mallocs));
159: PetscCall(MatGetInfo(A, MAT_GLOBAL_SUM, &info));
160: 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,
161: (PetscInt)info.assemblies, (PetscInt)info.mallocs));
163: /* test MatIsSymmetric */
164: PetscCall(MatIsSymmetric(A, 0.0, &issymmetric));
165: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatIsSymmetric: %d\n", issymmetric));
167: /* Create a MPIAIJ matrix, same as A */
168: PetscCall(MatCreate(PETSC_COMM_WORLD, &B));
169: PetscCall(MatSetSizes(B, PETSC_DECIDE, PETSC_DECIDE, m, n));
170: PetscCall(MatSetBlockSizes(B, rbs, cbs));
171: PetscCall(MatSetType(B, MATAIJ));
172: PetscCall(MatSetFromOptions(B));
173: PetscCall(MatSetLocalToGlobalMapping(B, rmap, cmap));
174: PetscCall(MatMPIAIJSetPreallocation(B, 3, NULL, 3, NULL));
175: PetscCall(MatMPIBAIJSetPreallocation(B, 1, 3, NULL, 3, NULL));
176: #if PetscDefined(HAVE_HYPRE)
177: PetscCall(MatHYPRESetPreallocation(B, 3, NULL, 3, NULL));
178: #endif
179: PetscCall(MatISSetPreallocation(B, 3, NULL, 3, NULL));
180: PetscCall(MatSetOption(B, MAT_NEW_NONZERO_ALLOCATION_ERR, (PetscBool)!(repmap || negmap))); /* I do not want to precompute the pattern */
181: for (i = 0; i < lm; i++) {
182: PetscScalar v[3];
183: PetscInt cols[3];
185: cols[0] = (i - 1 + n) % n;
186: cols[1] = i % n;
187: cols[2] = (i + 1) % n;
188: v[0] = -1. * (symmetric ? PetscMin(i + 1, cols[0] + 1) : i + 1);
189: v[1] = 2. * (symmetric ? PetscMin(i + 1, cols[1] + 1) : i + 1);
190: v[2] = -1. * (symmetric ? PetscMin(i + 1, cols[2] + 1) : i + 1);
191: PetscCall(ISGlobalToLocalMappingApply(cmap, IS_GTOLM_MASK, 3, cols, NULL, cols));
192: PetscCall(MatSetValuesLocal(B, 1, &i, 3, cols, v, ADD_VALUES));
193: }
194: PetscCall(MatAssemblyBegin(B, MAT_FINAL_ASSEMBLY));
195: PetscCall(MatAssemblyEnd(B, MAT_FINAL_ASSEMBLY));
197: /* test MatView */
198: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatView\n"));
199: PetscCall(MatView(A, NULL));
200: PetscCall(MatView(B, NULL));
202: /* test MATLAB ASCII view */
203: if (test_matlab) { /* output is different when using real or complex numbers */
204: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatView ASCII MATLAB\n"));
205: PetscCall(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_ASCII_MATLAB));
206: PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD));
207: PetscCall(PetscViewerPopFormat(PETSC_VIEWER_STDOUT_WORLD));
208: }
210: /* test CheckMat */
211: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test CheckMat\n"));
212: PetscCall(CheckMat(A, B, PETSC_FALSE, "CheckMat"));
214: /* test binary MatView/MatLoad */
215: {
216: PetscMPIInt color = rank % 2;
217: MPI_Comm comm;
218: char name[PETSC_MAX_PATH_LEN];
219: PetscViewer wview, cview, sview, view;
220: Mat A2;
222: PetscCallMPI(MPI_Comm_split(PETSC_COMM_WORLD, color, rank, &comm));
224: PetscCall(PetscSNPrintf(name, PETSC_STATIC_ARRAY_LENGTH(name), "world_is"));
225: PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, name, FILE_MODE_WRITE, &wview));
226: PetscCall(PetscSNPrintf(name, PETSC_STATIC_ARRAY_LENGTH(name), "seq_is_%d", rank));
227: PetscCall(PetscViewerBinaryOpen(PETSC_COMM_SELF, name, FILE_MODE_WRITE, &sview));
228: PetscCall(PetscSNPrintf(name, PETSC_STATIC_ARRAY_LENGTH(name), "color_is_%d", color));
229: PetscCall(PetscViewerBinaryOpen(comm, name, FILE_MODE_WRITE, &cview));
230: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatView on binary world\n"));
231: PetscCall(MatView(A, wview));
232: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatView on binary self\n"));
233: PetscCall(MatView(A, sview));
234: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatView on binary subcomm\n"));
235: PetscCall(MatView(A, cview));
236: PetscCall(PetscViewerDestroy(&wview));
237: PetscCall(PetscViewerDestroy(&cview));
238: PetscCall(PetscViewerDestroy(&sview));
240: /* Load a world matrix */
241: PetscCall(MatCreate(PETSC_COMM_WORLD, &A2));
242: PetscCall(MatSetType(A2, MATIS));
243: PetscCall(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_ASCII_INFO_DETAIL));
245: /* Read back the same matrix and check */
246: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatLoad from world\n"));
247: PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, "world_is", FILE_MODE_READ, &view));
248: PetscCall(MatLoad(A2, view));
249: if (test_variableblocksizes) PetscCall(CheckVariableBlockSizes(A2));
250: PetscCall(CheckMat(A, A2, PETSC_TRUE, "Load"));
251: PetscCall(MatView(A2, PETSC_VIEWER_STDOUT_WORLD));
252: PetscCall(PetscViewerDestroy(&view));
254: /* Read the matrix from rank 0 only */
255: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatLoad from self\n"));
256: PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, "seq_is_0", FILE_MODE_READ, &view));
257: PetscCall(MatLoad(A2, view));
258: if (test_variableblocksizes) PetscCall(CheckVariableBlockSizes(A2));
259: PetscCall(MatView(A2, PETSC_VIEWER_STDOUT_WORLD));
260: PetscCall(PetscViewerDestroy(&view));
262: /* Read the matrix from subcomm */
263: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatLoad from subcomm\n"));
264: PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, "color_is_0", FILE_MODE_READ, &view));
265: PetscCall(MatLoad(A2, view));
266: if (test_variableblocksizes) PetscCall(CheckVariableBlockSizes(A2));
267: PetscCall(MatView(A2, PETSC_VIEWER_STDOUT_WORLD));
268: PetscCall(PetscViewerDestroy(&view));
270: PetscCall(PetscViewerPopFormat(PETSC_VIEWER_STDOUT_WORLD));
271: PetscCall(MatDestroy(&A2));
273: /* now load the original matrix from color 0 only processes */
274: if (!color) {
275: PetscCall(PetscPrintf(comm, "Test subcomm MatLoad from world\n"));
276: PetscCall(MatCreate(comm, &A2));
277: PetscCall(MatSetType(A2, MATIS));
278: PetscCall(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_(comm), PETSC_VIEWER_ASCII_INFO_DETAIL));
279: PetscCall(PetscViewerBinaryOpen(comm, "world_is", FILE_MODE_READ, &view));
280: PetscCall(MatLoad(A2, view));
281: if (test_variableblocksizes) PetscCall(CheckVariableBlockSizes(A2));
282: PetscCall(MatView(A2, PETSC_VIEWER_STDOUT_(comm)));
283: PetscCall(PetscViewerDestroy(&view));
284: PetscCall(PetscViewerPopFormat(PETSC_VIEWER_STDOUT_(comm)));
285: PetscCall(MatDestroy(&A2));
286: }
288: PetscCallMPI(MPI_Comm_free(&comm));
289: }
291: /* test MatDuplicate and MatAXPY */
292: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatDuplicate and MatAXPY\n"));
293: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
294: PetscCall(CheckMat(A, A2, PETSC_FALSE, "MatDuplicate and MatAXPY"));
296: /* test MatConvert */
297: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatConvert_IS_XAIJ\n"));
298: PetscCall(MatConvert(A2, MATAIJ, MAT_INITIAL_MATRIX, &B2));
299: PetscCall(CheckMat(B, B2, PETSC_TRUE, "MatConvert_IS_XAIJ MAT_INITIAL_MATRIX"));
300: PetscCall(MatConvert(A2, MATAIJ, MAT_REUSE_MATRIX, &B2));
301: PetscCall(CheckMat(B, B2, PETSC_TRUE, "MatConvert_IS_XAIJ MAT_REUSE_MATRIX"));
302: PetscCall(MatConvert(A2, MATAIJ, MAT_INPLACE_MATRIX, &A2));
303: PetscCall(CheckMat(B, A2, PETSC_TRUE, "MatConvert_IS_XAIJ MAT_INPLACE_MATRIX"));
304: PetscCall(MatDestroy(&A2));
305: PetscCall(MatDestroy(&B2));
306: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatConvert_XAIJ_IS\n"));
307: PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2));
308: PetscCall(MatConvert(B2, MATIS, MAT_INITIAL_MATRIX, &A2));
309: PetscCall(CheckMat(A, A2, PETSC_TRUE, "MatConvert_XAIJ_IS MAT_INITIAL_MATRIX"));
310: PetscCall(MatConvert(B2, MATIS, MAT_REUSE_MATRIX, &A2));
311: PetscCall(CheckMat(A, A2, PETSC_TRUE, "MatConvert_XAIJ_IS MAT_REUSE_MATRIX"));
312: PetscCall(MatConvert(B2, MATIS, MAT_INPLACE_MATRIX, &B2));
313: PetscCall(CheckMat(A, B2, PETSC_TRUE, "MatConvert_XAIJ_IS MAT_INPLACE_MATRIX"));
314: PetscCall(MatDestroy(&A2));
315: PetscCall(MatDestroy(&B2));
316: PetscCall(PetscStrcmp(lmtype, MATSEQAIJ, &isaij));
317: if (size == 1 && isaij) { /* tests special code paths in MatConvert_IS_XAIJ */
318: 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};
319: ISLocalToGlobalMapping tcmap, trmap;
321: for (ri = 0; ri < 2; ri++) {
322: PetscInt *r;
324: r = (PetscInt *)(ri == 0 ? rr : rk);
325: for (ci = 0; ci < 2; ci++) {
326: PetscInt *c, rb, cb;
328: c = (PetscInt *)(ci == 0 ? cr : ck);
329: for (rb = 1; rb < 4; rb++) {
330: PetscCall(ISCreateBlock(PETSC_COMM_SELF, rb, 3, r, PETSC_COPY_VALUES, &is));
331: PetscCall(ISLocalToGlobalMappingCreateIS(is, &trmap));
332: PetscCall(ISDestroy(&is));
333: for (cb = 1; cb < 4; cb++) {
334: Mat T, lT, T2;
335: char testname[256];
337: PetscCall(PetscSNPrintf(testname, sizeof(testname), "MatConvert_IS_XAIJ special case (%" PetscInt_FMT " %" PetscInt_FMT ", bs %" PetscInt_FMT " %" PetscInt_FMT ")", ri, ci, rb, cb));
338: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test %s\n", testname));
340: PetscCall(ISCreateBlock(PETSC_COMM_SELF, cb, 4, c, PETSC_COPY_VALUES, &is));
341: PetscCall(ISLocalToGlobalMappingCreateIS(is, &tcmap));
342: PetscCall(ISDestroy(&is));
344: PetscCall(MatCreate(PETSC_COMM_SELF, &T));
345: PetscCall(MatSetSizes(T, PETSC_DECIDE, PETSC_DECIDE, rb * 3, cb * 4));
346: PetscCall(MatSetType(T, MATIS));
347: PetscCall(MatSetLocalToGlobalMapping(T, trmap, tcmap));
348: PetscCall(ISLocalToGlobalMappingDestroy(&tcmap));
349: PetscCall(MatISGetLocalMat(T, &lT));
350: PetscCall(MatSetType(lT, MATSEQAIJ));
351: PetscCall(MatSeqAIJSetPreallocation(lT, cb * 4, NULL));
352: PetscCall(MatSetRandom(lT, NULL));
353: PetscCall(MatConvert(lT, lmtype, MAT_INPLACE_MATRIX, &lT));
354: PetscCall(MatISRestoreLocalMat(T, &lT));
355: PetscCall(MatAssemblyBegin(T, MAT_FINAL_ASSEMBLY));
356: PetscCall(MatAssemblyEnd(T, MAT_FINAL_ASSEMBLY));
358: PetscCall(MatConvert(T, MATAIJ, MAT_INITIAL_MATRIX, &T2));
359: PetscCall(CheckMat(T, T2, PETSC_TRUE, "MAT_INITIAL_MATRIX"));
360: PetscCall(MatConvert(T, MATAIJ, MAT_REUSE_MATRIX, &T2));
361: PetscCall(CheckMat(T, T2, PETSC_TRUE, "MAT_REUSE_MATRIX"));
362: PetscCall(MatDestroy(&T2));
363: PetscCall(MatDuplicate(T, MAT_COPY_VALUES, &T2));
364: PetscCall(MatConvert(T2, MATAIJ, MAT_INPLACE_MATRIX, &T2));
365: PetscCall(CheckMat(T, T2, PETSC_TRUE, "MAT_INPLACE_MATRIX"));
366: PetscCall(MatDestroy(&T));
367: PetscCall(MatDestroy(&T2));
368: }
369: PetscCall(ISLocalToGlobalMappingDestroy(&trmap));
370: }
371: }
372: }
373: }
375: /* test MatDiagonalScale */
376: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatDiagonalScale\n"));
377: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
378: PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2));
379: PetscCall(MatCreateVecs(A, &x, &y));
380: PetscCall(VecSetRandom(x, NULL));
381: if (issymmetric) {
382: PetscCall(VecCopy(x, y));
383: } else {
384: PetscCall(VecSetRandom(y, NULL));
385: PetscCall(VecScale(y, 8.));
386: }
387: PetscCall(MatDiagonalScale(A2, y, x));
388: PetscCall(MatDiagonalScale(B2, y, x));
389: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatDiagonalScale"));
390: PetscCall(MatDestroy(&A2));
391: PetscCall(MatDestroy(&B2));
392: PetscCall(VecDestroy(&x));
393: PetscCall(VecDestroy(&y));
395: /* test MatPtAP (A IS and B AIJ) */
396: if (isaij && m == n) {
397: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatPtAP\n"));
398: /* There's a bug in MatCreateSubMatrices_MPIAIJ I cannot figure out */
399: if (!allow_repeated || !repmap || size == 1) {
400: PetscCall(MatISStoreL2L(A, PETSC_TRUE));
401: PetscCall(MatPtAP(A, B, MAT_INITIAL_MATRIX, PETSC_DETERMINE, &A2));
402: PetscCall(MatPtAP(B, B, MAT_INITIAL_MATRIX, PETSC_DETERMINE, &B2));
403: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatPtAP MAT_INITIAL_MATRIX"));
404: PetscCall(MatPtAP(A, B, MAT_REUSE_MATRIX, PETSC_DETERMINE, &A2));
405: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatPtAP MAT_REUSE_MATRIX"));
406: PetscCall(MatDestroy(&A2));
407: PetscCall(MatDestroy(&B2));
408: }
409: }
411: /* test MatGetLocalSubMatrix */
412: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatGetLocalSubMatrix\n"));
413: PetscCall(MatDuplicate(A, MAT_DO_NOT_COPY_VALUES, &A2));
414: PetscCall(ISCreateStride(PETSC_COMM_SELF, lm / 2 + lm % 2, 0, 2, &reven));
415: PetscCall(ISComplement(reven, 0, lm, &rodd));
416: PetscCall(ISCreateStride(PETSC_COMM_SELF, ln / 2 + ln % 2, 0, 2, &ceven));
417: PetscCall(ISComplement(ceven, 0, ln, &codd));
418: PetscCall(MatGetLocalSubMatrix(A2, reven, ceven, &Aee));
419: PetscCall(MatGetLocalSubMatrix(A2, reven, codd, &Aeo));
420: PetscCall(MatGetLocalSubMatrix(A2, rodd, ceven, &Aoe));
421: PetscCall(MatGetLocalSubMatrix(A2, rodd, codd, &Aoo));
422: for (i = 0; i < lm; i++) {
423: PetscInt j, je, jo, colse[3], colso[3];
424: PetscScalar ve[3], vo[3];
425: PetscScalar v[3];
426: PetscInt cols[3];
427: PetscInt row = i / 2;
429: cols[0] = (i - 1 + n) % n;
430: cols[1] = i % n;
431: cols[2] = (i + 1) % n;
432: v[0] = -1. * (symmetric ? PetscMin(i + 1, cols[0] + 1) : i + 1);
433: v[1] = 2. * (symmetric ? PetscMin(i + 1, cols[1] + 1) : i + 1);
434: v[2] = -1. * (symmetric ? PetscMin(i + 1, cols[2] + 1) : i + 1);
435: PetscCall(ISGlobalToLocalMappingApply(cmap, IS_GTOLM_MASK, 3, cols, NULL, cols));
436: for (j = 0, je = 0, jo = 0; j < 3; j++) {
437: if (cols[j] % 2) {
438: vo[jo] = v[j];
439: colso[jo++] = cols[j] / 2;
440: } else {
441: ve[je] = v[j];
442: colse[je++] = cols[j] / 2;
443: }
444: }
445: if (i % 2) {
446: PetscCall(MatSetValuesLocal(Aoe, 1, &row, je, colse, ve, ADD_VALUES));
447: PetscCall(MatSetValuesBlockedLocal(Aoo, 1, &row, jo, colso, vo, ADD_VALUES));
448: } else {
449: PetscCall(MatSetValuesLocal(Aee, 1, &row, je, colse, ve, ADD_VALUES));
450: PetscCall(MatSetValuesBlockedLocal(Aeo, 1, &row, jo, colso, vo, ADD_VALUES));
451: }
452: }
453: PetscCall(MatRestoreLocalSubMatrix(A2, reven, ceven, &Aee));
454: PetscCall(MatRestoreLocalSubMatrix(A2, reven, codd, &Aeo));
455: PetscCall(MatRestoreLocalSubMatrix(A2, rodd, ceven, &Aoe));
456: PetscCall(MatRestoreLocalSubMatrix(A2, rodd, codd, &Aoo));
457: PetscCall(ISDestroy(&reven));
458: PetscCall(ISDestroy(&ceven));
459: PetscCall(ISDestroy(&rodd));
460: PetscCall(ISDestroy(&codd));
461: PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY));
462: PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY));
463: PetscCall(MatAXPY(A2, -1., A, SAME_NONZERO_PATTERN));
464: PetscCall(CheckMat(A2, NULL, PETSC_FALSE, "MatGetLocalSubMatrix"));
465: PetscCall(MatDestroy(&A2));
467: /* test MatConvert_Nest_IS */
468: testT = PETSC_FALSE;
469: PetscCall(PetscOptionsGetBool(NULL, NULL, "-test_trans", &testT, NULL));
471: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatConvert_Nest_IS\n"));
472: nr = 2;
473: nc = 2;
474: PetscCall(PetscOptionsGetInt(NULL, NULL, "-nr", &nr, NULL));
475: PetscCall(PetscOptionsGetInt(NULL, NULL, "-nc", &nc, NULL));
476: if (testT) {
477: PetscCall(MatGetOwnershipRange(A, &cst, &cen));
478: PetscCall(MatGetOwnershipRangeColumn(A, &rst, &ren));
479: } else {
480: PetscCall(MatGetOwnershipRange(A, &rst, &ren));
481: PetscCall(MatGetOwnershipRangeColumn(A, &cst, &cen));
482: }
483: PetscCall(PetscMalloc3(nr, &rows, nc, &cols, 2 * nr * nc, &mats));
484: for (i = 0; i < nr * nc; i++) {
485: if (testT) {
486: PetscCall(MatCreateTranspose(A, &mats[i]));
487: PetscCall(MatTranspose(B, MAT_INITIAL_MATRIX, &mats[i + nr * nc]));
488: } else {
489: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &mats[i]));
490: PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &mats[i + nr * nc]));
491: }
492: }
493: for (i = 0; i < nr; i++) PetscCall(ISCreateStride(PETSC_COMM_WORLD, ren - rst, i + rst, nr, &rows[i]));
494: for (i = 0; i < nc; i++) PetscCall(ISCreateStride(PETSC_COMM_WORLD, cen - cst, i + cst, nc, &cols[i]));
495: PetscCall(MatCreateNest(PETSC_COMM_WORLD, nr, rows, nc, cols, mats, &A2));
496: PetscCall(MatCreateNest(PETSC_COMM_WORLD, nr, rows, nc, cols, mats + nr * nc, &B2));
497: for (i = 0; i < nr; i++) PetscCall(ISDestroy(&rows[i]));
498: for (i = 0; i < nc; i++) PetscCall(ISDestroy(&cols[i]));
499: for (i = 0; i < 2 * nr * nc; i++) PetscCall(MatDestroy(&mats[i]));
500: PetscCall(PetscFree3(rows, cols, mats));
501: PetscCall(MatConvert(B2, MATAIJ, MAT_INITIAL_MATRIX, &T));
502: PetscCall(MatDestroy(&B2));
503: PetscCall(MatConvert(A2, MATIS, MAT_INITIAL_MATRIX, &B2));
504: PetscCall(CheckMat(B2, T, PETSC_TRUE, "MatConvert_Nest_IS MAT_INITIAL_MATRIX"));
505: PetscCall(MatConvert(A2, MATIS, MAT_REUSE_MATRIX, &B2));
506: PetscCall(CheckMat(B2, T, PETSC_TRUE, "MatConvert_Nest_IS MAT_REUSE_MATRIX"));
507: PetscCall(MatDestroy(&B2));
508: PetscCall(MatConvert(A2, MATIS, MAT_INPLACE_MATRIX, &A2));
509: PetscCall(CheckMat(A2, T, PETSC_TRUE, "MatConvert_Nest_IS MAT_INPLACE_MATRIX"));
510: PetscCall(MatDestroy(&T));
511: PetscCall(MatDestroy(&A2));
513: /* test MatCreateSubMatrix */
514: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatCreateSubMatrix\n"));
515: if (rank == 0) {
516: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 1, 1, 1, &is));
517: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 2, 0, 1, &is2));
518: } else if (rank == 1) {
519: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 1, 0, 1, &is));
520: if (n > 3) {
521: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 1, 3, 1, &is2));
522: } else {
523: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is2));
524: }
525: } else if (rank == 2 && n > 4) {
526: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is));
527: PetscCall(ISCreateStride(PETSC_COMM_WORLD, n - 4, 4, 1, &is2));
528: } else {
529: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is));
530: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is2));
531: }
532: PetscCall(MatCreateSubMatrix(A, is, is, MAT_INITIAL_MATRIX, &A2));
533: PetscCall(MatCreateSubMatrix(B, is, is, MAT_INITIAL_MATRIX, &B2));
534: PetscCall(CheckMat(A2, B2, PETSC_TRUE, "first MatCreateSubMatrix"));
536: PetscCall(MatCreateSubMatrix(A, is, is, MAT_REUSE_MATRIX, &A2));
537: PetscCall(MatCreateSubMatrix(B, is, is, MAT_REUSE_MATRIX, &B2));
538: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "reuse MatCreateSubMatrix"));
539: PetscCall(MatDestroy(&A2));
540: PetscCall(MatDestroy(&B2));
542: if (!issymmetric) {
543: PetscCall(MatCreateSubMatrix(A, is, is2, MAT_INITIAL_MATRIX, &A2));
544: PetscCall(MatCreateSubMatrix(B, is, is2, MAT_INITIAL_MATRIX, &B2));
545: PetscCall(MatCreateSubMatrix(A, is, is2, MAT_REUSE_MATRIX, &A2));
546: PetscCall(MatCreateSubMatrix(B, is, is2, MAT_REUSE_MATRIX, &B2));
547: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "second MatCreateSubMatrix"));
548: }
550: PetscCall(MatDestroy(&A2));
551: PetscCall(MatDestroy(&B2));
552: PetscCall(ISDestroy(&is));
553: PetscCall(ISDestroy(&is2));
555: /* test MatCreateSubMatrices */
556: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatCreateSubMatrices\n"));
557: PetscCall(MatGetLayouts(A, &rlayout, &clayout));
558: PetscCall(PetscLayoutGetRanges(rlayout, &rrange));
559: PetscCall(PetscLayoutGetRanges(clayout, &crange));
560: lrank = (size + rank - 1) % size;
561: rrank = (rank + 1) % size;
562: PetscCall(ISCreateStride(PETSC_COMM_SELF, rrange[lrank + 1] - rrange[lrank], rrange[lrank], 1, &irow[0]));
563: PetscCall(ISCreateStride(PETSC_COMM_SELF, crange[rrank + 1] - crange[rrank], crange[rrank], 1, &icol[0]));
564: PetscCall(ISCreateStride(PETSC_COMM_SELF, rrange[rrank + 1] - rrange[rrank], rrange[rrank], 1, &irow[1]));
565: PetscCall(ISCreateStride(PETSC_COMM_SELF, crange[lrank + 1] - crange[lrank], crange[lrank], 1, &icol[1]));
566: PetscCall(MatCreateSubMatrices(A, 2, irow, icol, MAT_INITIAL_MATRIX, &Asub));
567: PetscCall(MatCreateSubMatrices(B, 2, irow, icol, MAT_INITIAL_MATRIX, &Bsub));
568: PetscCall(CheckMat(Asub[0], Bsub[0], PETSC_FALSE, "MatCreateSubMatrices[0]"));
569: PetscCall(CheckMat(Asub[1], Bsub[1], PETSC_FALSE, "MatCreateSubMatrices[1]"));
570: PetscCall(MatCreateSubMatrices(A, 2, irow, icol, MAT_REUSE_MATRIX, &Asub));
571: PetscCall(MatCreateSubMatrices(B, 2, irow, icol, MAT_REUSE_MATRIX, &Bsub));
572: PetscCall(CheckMat(Asub[0], Bsub[0], PETSC_FALSE, "MatCreateSubMatrices[0]"));
573: PetscCall(CheckMat(Asub[1], Bsub[1], PETSC_FALSE, "MatCreateSubMatrices[1]"));
574: PetscCall(MatDestroySubMatrices(2, &Asub));
575: PetscCall(MatDestroySubMatrices(2, &Bsub));
576: PetscCall(ISDestroy(&irow[0]));
577: PetscCall(ISDestroy(&irow[1]));
578: PetscCall(ISDestroy(&icol[0]));
579: PetscCall(ISDestroy(&icol[1]));
581: /* Create an IS required by MatZeroRows(): just rank zero provides the rows to be eliminated */
582: if (size > 1) {
583: if (rank == 0) {
584: PetscInt st, len;
586: st = (m + 1) / 2;
587: len = PetscMin(m / 2, PetscMax(m - (m + 1) / 2 - 1, 0));
588: PetscCall(ISCreateStride(PETSC_COMM_WORLD, len, st, 1, &is));
589: } else {
590: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 0, 0, 1, &is));
591: }
592: } else {
593: PetscCall(ISCreateStride(PETSC_COMM_WORLD, 1, 0, 1, &is));
594: }
595: /* local IS for local zero operations */
596: PetscCall(ISLocalToGlobalMappingGetSize(rmap, &lm));
597: PetscCall(ISCreateStride(PETSC_COMM_WORLD, lm ? 1 : 0, 0, 1, &lis));
599: if (squaretest) { /* tests for square matrices only, with same maps for rows and columns */
600: PetscInt *idx0, *idx1, n0, n1;
601: IS Ais[2], Bis[2];
603: /* test MatDiagonalSet */
604: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatDiagonalSet\n"));
605: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
606: PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2));
607: PetscCall(MatCreateVecs(A, NULL, &x));
608: PetscCall(VecSetRandom(x, NULL));
609: PetscCall(MatDiagonalSet(A2, x, allow_repeated ? ADD_VALUES : INSERT_VALUES));
610: PetscCall(MatDiagonalSet(B2, x, allow_repeated ? ADD_VALUES : INSERT_VALUES));
611: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatDiagonalSet"));
612: PetscCall(VecDestroy(&x));
613: PetscCall(MatDestroy(&A2));
614: PetscCall(MatDestroy(&B2));
616: /* test MatShift (MatShift_IS internally uses MatDiagonalSet_IS with ADD_VALUES) */
617: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatShift\n"));
618: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
619: PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2));
620: PetscCall(MatShift(A2, 2.0));
621: PetscCall(MatShift(B2, 2.0));
622: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatShift"));
623: PetscCall(MatDestroy(&A2));
624: PetscCall(MatDestroy(&B2));
626: /* nonzero diag value is supported for square matrices only */
627: PetscCall(TestMatZeroRows(A, B, PETSC_TRUE, is, diag, PETSC_FALSE));
628: PetscCall(TestMatZeroRows(A, B, PETSC_TRUE, lis, diag, PETSC_TRUE));
630: /* test MatIncreaseOverlap */
631: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatIncreaseOverlap\n"));
632: PetscCall(MatGetOwnershipRange(A, &rst, &ren));
633: n0 = (ren - rst) / 2;
634: n1 = (ren - rst) / 3;
635: PetscCall(PetscMalloc1(n0, &idx0));
636: PetscCall(PetscMalloc1(n1, &idx1));
637: for (i = 0; i < n0; i++) idx0[i] = ren - i - 1;
638: for (i = 0; i < n1; i++) idx1[i] = rst + i;
639: PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, n0, idx0, PETSC_OWN_POINTER, &Ais[0]));
640: PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, n1, idx1, PETSC_OWN_POINTER, &Ais[1]));
641: PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, n0, idx0, PETSC_COPY_VALUES, &Bis[0]));
642: PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, n1, idx1, PETSC_COPY_VALUES, &Bis[1]));
643: PetscCall(MatIncreaseOverlap(A, 2, Ais, 3));
644: PetscCall(MatIncreaseOverlap(B, 2, Bis, 3));
645: /* Non deterministic output! */
646: PetscCall(ISSort(Ais[0]));
647: PetscCall(ISSort(Ais[1]));
648: PetscCall(ISSort(Bis[0]));
649: PetscCall(ISSort(Bis[1]));
650: PetscCall(ISView(Ais[0], NULL));
651: PetscCall(ISView(Bis[0], NULL));
652: PetscCall(ISView(Ais[1], NULL));
653: PetscCall(ISView(Bis[1], NULL));
654: PetscCall(MatCreateSubMatrices(A, 2, Ais, Ais, MAT_INITIAL_MATRIX, &Asub));
655: PetscCall(MatCreateSubMatrices(B, 2, Bis, Ais, MAT_INITIAL_MATRIX, &Bsub));
656: PetscCall(CheckMat(Asub[0], Bsub[0], PETSC_FALSE, "MatIncreaseOverlap[0]"));
657: PetscCall(CheckMat(Asub[1], Bsub[1], PETSC_FALSE, "MatIncreaseOverlap[1]"));
658: PetscCall(MatDestroySubMatrices(2, &Asub));
659: PetscCall(MatDestroySubMatrices(2, &Bsub));
660: PetscCall(ISDestroy(&Ais[0]));
661: PetscCall(ISDestroy(&Ais[1]));
662: PetscCall(ISDestroy(&Bis[0]));
663: PetscCall(ISDestroy(&Bis[1]));
664: }
665: PetscCall(TestMatZeroRows(A, B, squaretest, is, 0.0, PETSC_FALSE));
666: PetscCall(TestMatZeroRows(A, B, squaretest, lis, 0.0, PETSC_TRUE));
667: PetscCall(ISDestroy(&is));
668: PetscCall(ISDestroy(&lis));
670: /* test MatTranspose */
671: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatTranspose\n"));
672: PetscCall(MatTranspose(A, MAT_INITIAL_MATRIX, &A2));
673: PetscCall(MatTranspose(B, MAT_INITIAL_MATRIX, &B2));
674: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "initial matrix MatTranspose"));
676: PetscCall(MatTranspose(A, MAT_REUSE_MATRIX, &A2));
677: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "reuse matrix (not in place) MatTranspose"));
678: PetscCall(MatDestroy(&A2));
680: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
681: PetscCall(MatTranspose(A2, MAT_INPLACE_MATRIX, &A2));
682: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "reuse matrix (in place) MatTranspose"));
683: PetscCall(MatDestroy(&A2));
685: PetscCall(MatTranspose(A, MAT_INITIAL_MATRIX, &A2));
686: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "reuse matrix (different type) MatTranspose"));
687: PetscCall(MatDestroy(&A2));
688: PetscCall(MatDestroy(&B2));
690: /* test MatISFixLocalEmpty */
691: if (isaij) {
692: PetscInt r[2];
694: r[0] = 0;
695: r[1] = PetscMin(m, n) - 1;
696: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatISFixLocalEmpty\n"));
697: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
699: PetscCall(MatISFixLocalEmpty(A2, PETSC_TRUE));
700: PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY));
701: PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY));
702: PetscCall(CheckMat(A2, B, PETSC_FALSE, "MatISFixLocalEmpty (null)"));
704: PetscCall(MatZeroRows(A2, 2, r, 0.0, NULL, NULL));
705: PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view"));
706: PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2));
707: PetscCall(MatZeroRows(B2, 2, r, 0.0, NULL, NULL));
708: PetscCall(MatISFixLocalEmpty(A2, PETSC_TRUE));
709: PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY));
710: PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY));
711: PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view"));
712: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatISFixLocalEmpty (rows)"));
713: PetscCall(MatDestroy(&A2));
715: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
716: PetscCall(MatZeroRows(A2, 2, r, 0.0, NULL, NULL));
717: PetscCall(MatTranspose(A2, MAT_INPLACE_MATRIX, &A2));
718: PetscCall(MatTranspose(B2, MAT_INPLACE_MATRIX, &B2));
719: PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view"));
720: PetscCall(MatISFixLocalEmpty(A2, PETSC_TRUE));
721: PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY));
722: PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY));
723: PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view"));
724: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatISFixLocalEmpty (cols)"));
726: PetscCall(MatDestroy(&A2));
727: PetscCall(MatDestroy(&B2));
729: if (squaretest) {
730: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
731: PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2));
732: PetscCall(MatZeroRowsColumns(A2, 2, r, 0.0, NULL, NULL));
733: PetscCall(MatZeroRowsColumns(B2, 2, r, 0.0, NULL, NULL));
734: PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view"));
735: PetscCall(MatISFixLocalEmpty(A2, PETSC_TRUE));
736: PetscCall(MatAssemblyBegin(A2, MAT_FINAL_ASSEMBLY));
737: PetscCall(MatAssemblyEnd(A2, MAT_FINAL_ASSEMBLY));
738: PetscCall(MatViewFromOptions(A2, NULL, "-fixempty_view"));
739: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatISFixLocalEmpty (rows+cols)"));
740: PetscCall(MatDestroy(&A2));
741: PetscCall(MatDestroy(&B2));
742: }
743: }
745: /* test MatInvertBlockDiagonal
746: special cases for block-diagonal matrices */
747: if (m == n) {
748: ISLocalToGlobalMapping map;
749: Mat Abd, Bbd;
750: IS is, bis;
751: const PetscScalar *isbd, *aijbd;
752: const PetscInt *sts, *idxs;
753: PetscInt *idxs2, diff, perm, nl, bs, st, en, in;
754: PetscBool ok;
756: for (diff = 0; diff < 3; diff++) {
757: for (perm = 0; perm < 3; perm++) {
758: for (bs = 1; bs < 4; bs++) {
759: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatInvertBlockDiagonal blockdiag %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT " %" PetscInt_FMT "\n", n, diff, perm, bs));
760: PetscCall(PetscMalloc1(bs * bs, &vals));
761: PetscCall(MatGetOwnershipRanges(A, &sts));
762: switch (diff) {
763: case 1: /* inverted layout by processes */
764: in = 1;
765: st = sts[size - rank - 1];
766: en = sts[size - rank];
767: nl = en - st;
768: break;
769: case 2: /* round-robin layout */
770: in = size;
771: st = rank;
772: nl = n / size;
773: if (rank < n % size) nl++;
774: break;
775: default: /* same layout */
776: in = 1;
777: st = sts[rank];
778: en = sts[rank + 1];
779: nl = en - st;
780: break;
781: }
782: PetscCall(ISCreateStride(PETSC_COMM_WORLD, nl, st, in, &is));
783: PetscCall(ISGetLocalSize(is, &nl));
784: PetscCall(ISGetIndices(is, &idxs));
785: PetscCall(PetscMalloc1(nl, &idxs2));
786: for (i = 0; i < nl; i++) {
787: switch (perm) { /* invert some of the indices */
788: case 2:
789: idxs2[i] = rank % 2 ? idxs[i] : idxs[nl - i - 1];
790: break;
791: case 1:
792: idxs2[i] = rank % 2 ? idxs[nl - i - 1] : idxs[i];
793: break;
794: default:
795: idxs2[i] = idxs[i];
796: break;
797: }
798: }
799: PetscCall(ISRestoreIndices(is, &idxs));
800: PetscCall(ISCreateBlock(PETSC_COMM_WORLD, bs, nl, idxs2, PETSC_OWN_POINTER, &bis));
801: PetscCall(ISLocalToGlobalMappingCreateIS(bis, &map));
802: PetscCall(MatCreateIS(PETSC_COMM_WORLD, bs, PETSC_DECIDE, PETSC_DECIDE, bs * n, bs * n, map, map, &Abd));
803: PetscCall(ISLocalToGlobalMappingDestroy(&map));
804: PetscCall(MatISSetPreallocation(Abd, bs, NULL, 0, NULL));
805: for (i = 0; i < nl; i++) {
806: for (PetscInt b1 = 0; b1 < bs; b1++)
807: for (PetscInt b2 = 0; b2 < bs; b2++) vals[b1 * bs + b2] = i * bs * bs + b1 * bs + b2 + 1 + (b1 == b2 ? 1.0 : 0);
808: PetscCall(MatSetValuesBlockedLocal(Abd, 1, &i, 1, &i, vals, INSERT_VALUES));
809: }
810: PetscCall(MatAssemblyBegin(Abd, MAT_FINAL_ASSEMBLY));
811: PetscCall(MatAssemblyEnd(Abd, MAT_FINAL_ASSEMBLY));
812: PetscCall(MatConvert(Abd, MATAIJ, MAT_INITIAL_MATRIX, &Bbd));
813: PetscCall(MatInvertBlockDiagonal(Abd, &isbd));
814: PetscCall(MatInvertBlockDiagonal(Bbd, &aijbd));
815: PetscCall(MatGetLocalSize(Bbd, &nl, NULL));
816: ok = PETSC_TRUE;
817: for (i = 0; i < nl / bs; i++) {
818: for (PetscInt b1 = 0; b1 < bs; b1++) {
819: for (PetscInt b2 = 0; b2 < bs; b2++) {
820: if (PetscAbsScalar(isbd[i * bs * bs + b1 * bs + b2] - aijbd[i * bs * bs + b1 * bs + b2]) > PETSC_SMALL) ok = PETSC_FALSE;
821: if (!ok) {
822: 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])));
823: break;
824: }
825: }
826: if (!ok) break;
827: }
828: if (!ok) break;
829: }
830: PetscCall(MatDestroy(&Abd));
831: PetscCall(MatDestroy(&Bbd));
832: PetscCall(PetscFree(vals));
833: PetscCall(ISDestroy(&is));
834: PetscCall(ISDestroy(&bis));
835: }
836: }
837: }
838: }
840: /* test MatGetDiagonalBlock */
841: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatGetDiagonalBlock\n"));
842: PetscCall(MatGetDiagonalBlock(A, &A2));
843: PetscCall(MatGetDiagonalBlock(B, &B2));
844: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatGetDiagonalBlock"));
845: PetscCall(MatScale(A, 2.0));
846: PetscCall(MatScale(B, 2.0));
847: PetscCall(MatGetDiagonalBlock(A, &A2));
848: PetscCall(MatGetDiagonalBlock(B, &B2));
849: PetscCall(CheckMat(A2, B2, PETSC_FALSE, "MatGetDiagonalBlock"));
851: /* test MatISSetAllowRepeated on a MATIS */
852: PetscCall(MatISSetAllowRepeated(A, allow_repeated));
853: if (allow_repeated) { /* original MATIS maybe with repeated entries, test assembling of local matrices */
854: Mat lA, lA2;
856: for (PetscInt i = 0; i < 1; i++) { /* TODO: make MatScatter inherit from MATSHELL and support MatProducts */
857: PetscBool usemult = PETSC_FALSE;
859: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
860: if (i) {
861: Mat tA;
863: usemult = PETSC_TRUE;
864: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatISSetAllowRepeated(false) with possibly repeated entries and local shell matrices\n"));
865: PetscCall(MatISGetLocalMat(A2, &lA2));
866: PetscCall(MatConvert(lA2, MATSHELL, MAT_INITIAL_MATRIX, &tA));
867: PetscCall(MatISRestoreLocalMat(A2, &lA2));
868: PetscCall(MatISSetLocalMat(A2, tA));
869: PetscCall(MatDestroy(&tA));
870: } else {
871: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatISSetAllowRepeated(false) with possibly repeated entries\n"));
872: }
873: PetscCall(MatISSetAllowRepeated(A2, PETSC_FALSE));
874: PetscCall(MatISGetLocalMat(A, &lA));
875: PetscCall(MatISGetLocalMat(A2, &lA2));
876: if (!repmap) PetscCall(CheckMat(lA, lA2, usemult, "MatISSetAllowRepeated(false) with non-repeated entries"));
877: PetscCall(MatISRestoreLocalMat(A, &lA));
878: PetscCall(MatISRestoreLocalMat(A2, &lA2));
879: if (repmap) PetscCall(CheckMat(A2, B, usemult, "MatISSetAllowRepeated(false) with repeated entries"));
880: else PetscCall(CheckMat(A2, B, usemult, "MatISSetAllowRepeated(false) with non-repeated entries"));
881: PetscCall(MatDestroy(&A2));
882: }
883: } else { /* original matis with non-repeated entries, this should only recreate the local matrices */
884: Mat lA;
885: PetscBool flg;
887: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatISSetAllowRepeated(true) with non repeated entries\n"));
888: PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &A2));
889: PetscCall(MatISSetAllowRepeated(A2, PETSC_TRUE));
890: PetscCall(MatISGetLocalMat(A2, &lA));
891: PetscCall(MatAssembled(lA, &flg));
892: PetscCheck(!flg, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Local mat should be unassembled");
893: PetscCall(MatISRestoreLocalMat(A2, &lA));
894: PetscCall(MatDestroy(&A2));
895: }
897: /* Test MatZeroEntries */
898: PetscCall(MatZeroEntries(A));
899: PetscCall(MatZeroEntries(B));
900: PetscCall(CheckMat(A, B, PETSC_FALSE, "MatZeroEntries"));
902: /* Test MatSetValues and MatSetValuesBlocked */
903: if (test_setvalues) {
904: PetscCall(PetscMalloc1(lm * ln, &vals));
905: for (i = 0; i < lm * ln; i++) vals[i] = i + 1.0;
906: PetscCall(MatGetLocalSize(A, NULL, &ln));
907: PetscCall(MatISSetPreallocation(A, ln, NULL, n - ln, NULL));
908: PetscCall(MatSeqAIJSetPreallocation(B, ln, NULL));
909: PetscCall(MatMPIAIJSetPreallocation(B, ln, NULL, n - ln, NULL));
910: PetscCall(ISLocalToGlobalMappingGetSize(rmap, &lm));
911: PetscCall(ISLocalToGlobalMappingGetSize(cmap, &ln));
913: PetscCall(ISLocalToGlobalMappingGetIndices(rmap, &idxs1));
914: PetscCall(ISLocalToGlobalMappingGetIndices(cmap, &idxs2));
915: PetscCall(MatSetValues(A, lm, idxs1, ln, idxs2, vals, ADD_VALUES));
916: PetscCall(MatSetValues(B, lm, idxs1, ln, idxs2, vals, ADD_VALUES));
917: PetscCall(ISLocalToGlobalMappingRestoreIndices(rmap, &idxs1));
918: PetscCall(ISLocalToGlobalMappingRestoreIndices(cmap, &idxs2));
919: PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY));
920: PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY));
921: PetscCall(MatAssemblyBegin(B, MAT_FINAL_ASSEMBLY));
922: PetscCall(MatAssemblyEnd(B, MAT_FINAL_ASSEMBLY));
923: PetscCall(CheckMat(A, B, PETSC_FALSE, "MatSetValues"));
925: PetscCall(ISLocalToGlobalMappingGetBlockIndices(rmap, &idxs1));
926: PetscCall(ISLocalToGlobalMappingGetBlockIndices(cmap, &idxs2));
927: PetscCall(MatSetValuesBlocked(A, lm / rbs, idxs1, ln / cbs, idxs2, vals, ADD_VALUES));
928: PetscCall(MatSetValuesBlocked(B, lm / rbs, idxs1, ln / cbs, idxs2, vals, ADD_VALUES));
929: PetscCall(ISLocalToGlobalMappingRestoreBlockIndices(rmap, &idxs1));
930: PetscCall(ISLocalToGlobalMappingRestoreBlockIndices(cmap, &idxs2));
931: PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY));
932: PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY));
933: PetscCall(MatAssemblyBegin(B, MAT_FINAL_ASSEMBLY));
934: PetscCall(MatAssemblyEnd(B, MAT_FINAL_ASSEMBLY));
935: PetscCall(CheckMat(A, B, PETSC_FALSE, "MatSetValuesBlocked"));
936: PetscCall(PetscFree(vals));
937: }
939: /* free testing matrices */
940: PetscCall(ISLocalToGlobalMappingDestroy(&cmap));
941: PetscCall(ISLocalToGlobalMappingDestroy(&rmap));
942: PetscCall(MatDestroy(&A));
943: PetscCall(MatDestroy(&B));
944: PetscCall(PetscFinalize());
945: return 0;
946: }
948: PetscErrorCode CheckMat(Mat A, Mat B, PetscBool usemult, const char *func)
949: {
950: Mat Bcheck;
951: PetscReal error;
953: PetscFunctionBeginUser;
954: if (!usemult && B) {
955: PetscBool hasnorm;
957: PetscCall(MatHasOperation(B, MATOP_NORM, &hasnorm));
958: if (!hasnorm) usemult = PETSC_TRUE;
959: }
960: if (!usemult) {
961: if (B) {
962: MatType Btype;
964: PetscCall(MatGetType(B, &Btype));
965: PetscCall(MatConvert(A, Btype, MAT_INITIAL_MATRIX, &Bcheck));
966: } else {
967: PetscCall(MatConvert(A, MATAIJ, MAT_INITIAL_MATRIX, &Bcheck));
968: }
969: if (B) { /* if B is present, subtract it */
970: PetscCall(MatAXPY(Bcheck, -1., B, DIFFERENT_NONZERO_PATTERN));
971: }
972: PetscCall(MatNorm(Bcheck, NORM_INFINITY, &error));
973: if (error > PETSC_SQRT_MACHINE_EPSILON) {
974: ISLocalToGlobalMapping rl2g, cl2g;
976: PetscCall(PetscObjectSetName((PetscObject)Bcheck, "Bcheck"));
977: PetscCall(MatView(Bcheck, NULL));
978: if (B) {
979: PetscCall(PetscObjectSetName((PetscObject)B, "B"));
980: PetscCall(MatView(B, NULL));
981: PetscCall(MatDestroy(&Bcheck));
982: PetscCall(MatConvert(A, MATAIJ, MAT_INITIAL_MATRIX, &Bcheck));
983: PetscCall(PetscObjectSetName((PetscObject)Bcheck, "Assembled A"));
984: PetscCall(MatView(Bcheck, NULL));
985: }
986: PetscCall(MatDestroy(&Bcheck));
987: PetscCall(PetscObjectSetName((PetscObject)A, "A"));
988: PetscCall(MatView(A, NULL));
989: PetscCall(MatGetLocalToGlobalMapping(A, &rl2g, &cl2g));
990: if (rl2g) PetscCall(ISLocalToGlobalMappingView(rl2g, NULL));
991: if (cl2g) PetscCall(ISLocalToGlobalMappingView(cl2g, NULL));
992: SETERRQ(PetscObjectComm((PetscObject)A), PETSC_ERR_PLIB, "ERROR ON %s: %g", func, (double)error);
993: }
994: PetscCall(MatDestroy(&Bcheck));
995: } else {
996: PetscBool ok, okt;
998: PetscCall(MatMultEqual(A, B, 3, &ok));
999: PetscCall(MatMultTransposeEqual(A, B, 3, &okt));
1000: PetscCheck(ok && okt, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "ERROR ON %s: mult ok ? %d, multtranspose ok ? %d", func, ok, okt);
1001: }
1002: PetscFunctionReturn(PETSC_SUCCESS);
1003: }
1005: PetscErrorCode CheckVariableBlockSizes(Mat A)
1006: {
1007: Mat lA;
1008: const PetscInt *bsizes;
1009: PetscInt m, nblocks, sum = 0;
1011: PetscFunctionBeginUser;
1012: PetscCall(MatISGetLocalMat(A, &lA));
1013: PetscCall(MatGetLocalSize(lA, &m, NULL));
1014: PetscCall(MatGetVariableBlockSizes(lA, &nblocks, &bsizes));
1015: for (PetscInt i = 0; i < nblocks; i++) sum += bsizes[i];
1016: PetscCheck(sum == m && (!m || nblocks), PETSC_COMM_SELF, PETSC_ERR_PLIB, "Invalid variable block sizes on loaded local matrix");
1017: PetscCall(MatISRestoreLocalMat(A, &lA));
1018: PetscFunctionReturn(PETSC_SUCCESS);
1019: }
1021: PetscErrorCode TestMatZeroRows(Mat A, Mat Afull, PetscBool squaretest, IS is, PetscScalar diag, PetscBool local)
1022: {
1023: Mat B, Bcheck, B2 = NULL, lB;
1024: Vec x = NULL, b = NULL, b2 = NULL;
1025: ISLocalToGlobalMapping l2gr, l2gc;
1026: PetscReal error;
1027: char diagstr[16];
1028: const PetscInt *idxs;
1029: PetscInt i, n, N;
1030: PetscBool haszerorows;
1031: IS gis;
1033: PetscFunctionBeginUser;
1034: if (diag == 0.) {
1035: PetscCall(PetscStrncpy(diagstr, "zero", sizeof(diagstr)));
1036: } else {
1037: PetscCall(PetscStrncpy(diagstr, "nonzero", sizeof(diagstr)));
1038: }
1039: PetscCall(ISView(is, NULL));
1040: PetscCall(MatGetLocalToGlobalMapping(A, &l2gr, &l2gc));
1041: /* tests MatDuplicate and MatCopy */
1042: if (diag == 0.) PetscCall(MatDuplicate(A, MAT_COPY_VALUES, &B));
1043: else {
1044: PetscCall(MatDuplicate(A, MAT_DO_NOT_COPY_VALUES, &B));
1045: PetscCall(MatCopy(A, B, SAME_NONZERO_PATTERN));
1046: }
1047: PetscCall(MatISGetLocalMat(B, &lB));
1048: PetscCall(MatHasOperation(lB, MATOP_ZERO_ROWS, &haszerorows));
1049: if (squaretest && haszerorows) {
1050: PetscCall(MatCreateVecs(B, &x, &b));
1051: PetscCall(MatDuplicate(B, MAT_COPY_VALUES, &B2));
1052: PetscCall(VecSetLocalToGlobalMapping(b, l2gr));
1053: PetscCall(VecSetLocalToGlobalMapping(x, l2gc));
1054: PetscCall(VecSetRandom(x, NULL));
1055: PetscCall(VecSetRandom(b, NULL));
1056: /* mimic b[is] = x[is] */
1057: PetscCall(VecDuplicate(b, &b2));
1058: PetscCall(VecSetLocalToGlobalMapping(b2, l2gr));
1059: PetscCall(VecCopy(b, b2));
1060: if (local) {
1061: PetscCall(ISL2GMapNoNeg(l2gr, is, &gis));
1062: PetscCall(ISGetLocalSize(gis, &n));
1063: PetscCall(ISGetIndices(gis, &idxs));
1064: } else {
1065: PetscCall(ISGetLocalSize(is, &n));
1066: PetscCall(ISGetIndices(is, &idxs));
1067: }
1068: PetscCall(VecGetSize(x, &N));
1069: for (i = 0; i < n; i++) {
1070: if (0 <= idxs[i] && idxs[i] < N) {
1071: PetscCall(VecSetValue(b2, idxs[i], diag, INSERT_VALUES));
1072: PetscCall(VecSetValue(x, idxs[i], 1., INSERT_VALUES));
1073: }
1074: }
1075: if (local) {
1076: PetscCall(ISRestoreIndices(gis, &idxs));
1077: PetscCall(ISDestroy(&gis));
1078: } else {
1079: PetscCall(ISRestoreIndices(is, &idxs));
1080: }
1081: PetscCall(VecAssemblyBegin(b2));
1082: PetscCall(VecAssemblyEnd(b2));
1083: PetscCall(VecAssemblyBegin(x));
1084: PetscCall(VecAssemblyEnd(x));
1085: /* test ZeroRows on MATIS */
1086: if (local) {
1087: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRowsLocal (diag %s)\n", diagstr));
1088: PetscCall(MatZeroRowsLocalIS(B, is, diag, x, b));
1089: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRowsColumnsLocal (diag %s)\n", diagstr));
1090: PetscCall(MatZeroRowsColumnsLocalIS(B2, is, diag, NULL, NULL));
1091: } else {
1092: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRows (diag %s)\n", diagstr));
1093: PetscCall(MatZeroRowsIS(B, is, diag, x, b));
1094: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRowsColumns (diag %s)\n", diagstr));
1095: PetscCall(MatZeroRowsColumnsIS(B2, is, diag, NULL, NULL));
1096: }
1097: } else if (haszerorows) {
1098: /* test ZeroRows on MATIS */
1099: if (local) {
1100: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRowsLocal (diag %s)\n", diagstr));
1101: PetscCall(MatZeroRowsLocalIS(B, is, diag, NULL, NULL));
1102: } else {
1103: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Test MatZeroRows (diag %s)\n", diagstr));
1104: PetscCall(MatZeroRowsIS(B, is, diag, NULL, NULL));
1105: }
1106: b = b2 = x = NULL;
1107: } else {
1108: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Skipping MatZeroRows (diag %s)\n", diagstr));
1109: b = b2 = x = NULL;
1110: }
1112: if (squaretest && haszerorows) {
1113: PetscCall(VecAXPY(b2, -1., b));
1114: PetscCall(VecNorm(b2, NORM_INFINITY, &error));
1115: PetscCheck(error <= PETSC_SQRT_MACHINE_EPSILON, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "ERROR IN ZEROROWS ON B %g (diag %s)", (double)error, diagstr);
1116: }
1117: PetscCall(VecDestroy(&x));
1118: PetscCall(VecDestroy(&b));
1119: PetscCall(VecDestroy(&b2));
1121: /* check the result of ZeroRows with that from MPIAIJ routines
1122: assuming that MatConvert_IS_XAIJ and MatZeroRows_MPIAIJ work fine */
1123: if (haszerorows) {
1124: PetscCall(MatDuplicate(Afull, MAT_COPY_VALUES, &Bcheck));
1125: PetscCall(MatSetOption(Bcheck, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE));
1126: if (local) {
1127: PetscCall(ISL2GMapNoNeg(l2gr, is, &gis));
1128: PetscCall(MatZeroRowsIS(Bcheck, gis, diag, NULL, NULL));
1129: PetscCall(ISDestroy(&gis));
1130: } else {
1131: PetscCall(MatZeroRowsIS(Bcheck, is, diag, NULL, NULL));
1132: }
1133: PetscCall(CheckMat(B, Bcheck, PETSC_FALSE, "Zerorows"));
1134: PetscCall(MatDestroy(&Bcheck));
1135: }
1136: PetscCall(MatDestroy(&B));
1138: if (B2) { /* test MatZeroRowsColumns */
1139: PetscCall(MatDuplicate(Afull, MAT_COPY_VALUES, &B));
1140: PetscCall(MatSetOption(B, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE));
1141: if (local) {
1142: PetscCall(ISL2GMapNoNeg(l2gr, is, &gis));
1143: PetscCall(MatZeroRowsColumnsIS(B, gis, diag, NULL, NULL));
1144: PetscCall(ISDestroy(&gis));
1145: } else {
1146: PetscCall(MatZeroRowsColumnsIS(B, is, diag, NULL, NULL));
1147: }
1148: PetscCall(CheckMat(B2, B, PETSC_FALSE, "MatZeroRowsColumns"));
1149: PetscCall(MatDestroy(&B));
1150: PetscCall(MatDestroy(&B2));
1151: }
1152: PetscFunctionReturn(PETSC_SUCCESS);
1153: }
1155: PetscErrorCode ISL2GMapNoNeg(ISLocalToGlobalMapping mapping, IS is, IS *newis)
1156: {
1157: PetscInt n, *idxout, nn = 0;
1158: const PetscInt *idxin;
1160: PetscFunctionBegin;
1161: PetscCall(ISGetLocalSize(is, &n));
1162: PetscCall(ISGetIndices(is, &idxin));
1163: PetscCall(PetscMalloc1(n, &idxout));
1164: PetscCall(ISLocalToGlobalMappingApply(mapping, n, idxin, idxout));
1165: PetscCall(ISRestoreIndices(is, &idxin));
1166: for (PetscInt i = 0; i < n; i++)
1167: if (idxout[i] > -1) idxout[nn++] = idxout[i];
1168: PetscCall(ISCreateGeneral(PetscObjectComm((PetscObject)is), nn, idxout, PETSC_OWN_POINTER, newis));
1169: PetscFunctionReturn(PETSC_SUCCESS);
1170: }
1172: /*TEST
1174: test:
1175: requires: !complex
1176: args: -test_matlab -test_trans
1178: test:
1179: suffix: 2
1180: nsize: 4
1181: args: -mat_is_convert_local_nest -nr 3 -nc 4
1183: test:
1184: suffix: 3
1185: nsize: 5
1186: args: -m 11 -n 10 -mat_is_convert_local_nest -nr 2 -nc 1 -cbs 2
1188: test:
1189: suffix: 4
1190: nsize: 6
1191: args: -m 9 -n 12 -test_trans -nr 2 -nc 7
1193: test:
1194: suffix: 5
1195: nsize: 6
1196: args: -m 12 -n 12 -test_trans -nr 3 -nc 1 -rbs 2 -test_variableblocksizes -mat_is_view_variableblocksizes
1198: test:
1199: suffix: 6
1200: args: -m 12 -n 12 -test_trans -nr 2 -nc 3 -diffmap -rbs 6 -cbs 3
1202: test:
1203: suffix: 7
1204: args: -m 12 -n 12 -test_trans -nr 2 -nc 3 -diffmap -permmap
1206: test:
1207: suffix: 8
1208: args: -m 12 -n 17 -test_trans -nr 2 -nc 3 -permmap
1210: test:
1211: suffix: 9
1212: nsize: 5
1213: args: -m 12 -n 12 -test_trans -nr 2 -nc 3 -diffmap
1215: test:
1216: suffix: 10
1217: nsize: 5
1218: args: -m 12 -n 12 -test_trans -nr 2 -nc 3 -diffmap -permmap
1220: test:
1221: suffix: vscat_default
1222: nsize: 5
1223: args: -m 12 -n 17 -test_trans -nr 2 -nc 3 -permmap
1224: output_file: output/ex23_11.out
1226: test:
1227: suffix: 12
1228: nsize: 3
1229: args: -m 12 -n 12 -symmetric -mat_is_localmat_type sbaij -test_trans -nr 2 -nc 3 -test_setvalues 0
1231: testset:
1232: output_file: output/ex23_13.out
1233: nsize: 3
1234: args: -m 12 -n 17 -test_trans -nr 2 -nc 3 -diffmap -permmap
1235: filter: grep -v "type:" | grep -v "not using I-node routines"
1236: test:
1237: suffix: baij
1238: args: -mat_is_localmat_type baij
1239: test:
1240: requires: viennacl
1241: suffix: viennacl
1242: args: -mat_is_localmat_type aijviennacl
1243: test:
1244: requires: cuda
1245: suffix: cusparse
1246: args: -mat_is_localmat_type aijcusparse
1247: test:
1248: requires: kokkos_kernels
1249: suffix: kokkos
1250: args: -mat_is_localmat_type aijkokkos
1252: test:
1253: suffix: negrep
1254: nsize: {{1 3}separate output}
1255: 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} -allow_repeated 0
1257: test:
1258: suffix: negrep_allowrep
1259: nsize: {{1 3}separate output}
1260: 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} -allow_repeated
1262: TEST*/