Actual source code: ex53.c
2: static char help[] = "Tests various routines in MatMPIBAIJ format.\n";
4: #include <petscmat.h>
5: #define IMAX 15
6: int main(int argc, char **args)
7: {
8: Mat A, B, C, At, Bt;
9: PetscViewer fd;
10: char file[PETSC_MAX_PATH_LEN];
11: PetscRandom rand;
12: Vec xx, yy, s1, s2;
13: PetscReal s1norm, s2norm, rnorm, tol = 1.e-10;
14: PetscInt rstart, rend, rows[2], cols[2], m, n, i, j, M, N, ct, row, ncols1, ncols2, bs;
15: PetscMPIInt rank, size;
16: const PetscInt *cols1, *cols2;
17: PetscScalar vals1[4], vals2[4], v;
18: const PetscScalar *v1, *v2;
19: PetscBool flg;
22: PetscInitialize(&argc, &args, (char *)0, help);
23: MPI_Comm_rank(PETSC_COMM_WORLD, &rank);
24: MPI_Comm_size(PETSC_COMM_WORLD, &size);
26: /* Check out if MatLoad() works */
27: PetscOptionsGetString(NULL, NULL, "-f", file, sizeof(file), &flg);
29: PetscViewerBinaryOpen(PETSC_COMM_WORLD, file, FILE_MODE_READ, &fd);
30: MatCreate(PETSC_COMM_WORLD, &A);
31: MatSetType(A, MATBAIJ);
32: MatLoad(A, fd);
34: MatConvert(A, MATAIJ, MAT_INITIAL_MATRIX, &B);
35: PetscViewerDestroy(&fd);
37: PetscRandomCreate(PETSC_COMM_WORLD, &rand);
38: PetscRandomSetFromOptions(rand);
39: MatGetLocalSize(A, &m, &n);
40: VecCreate(PETSC_COMM_WORLD, &xx);
41: VecSetSizes(xx, m, PETSC_DECIDE);
42: VecSetFromOptions(xx);
43: VecDuplicate(xx, &s1);
44: VecDuplicate(xx, &s2);
45: VecDuplicate(xx, &yy);
46: MatGetBlockSize(A, &bs);
48: /* Test MatNorm() */
49: MatNorm(A, NORM_FROBENIUS, &s1norm);
50: MatNorm(B, NORM_FROBENIUS, &s2norm);
51: rnorm = PetscAbsScalar(s2norm - s1norm) / s2norm;
52: if (rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error: MatNorm_FROBENIUS()- NormA=%16.14e NormB=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)s1norm, (double)s2norm, bs);
53: MatNorm(A, NORM_INFINITY, &s1norm);
54: MatNorm(B, NORM_INFINITY, &s2norm);
55: rnorm = PetscAbsScalar(s2norm - s1norm) / s2norm;
56: if (rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error: MatNorm_INFINITY()- NormA=%16.14e NormB=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)s1norm, (double)s2norm, bs);
57: MatNorm(A, NORM_1, &s1norm);
58: MatNorm(B, NORM_1, &s2norm);
59: rnorm = PetscAbsScalar(s2norm - s1norm) / s2norm;
60: if (rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error: MatNorm_NORM_1()- NormA=%16.14e NormB=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)s1norm, (double)s2norm, bs);
62: /* Test MatMult() */
63: for (i = 0; i < IMAX; i++) {
64: VecSetRandom(xx, rand);
65: MatMult(A, xx, s1);
66: MatMult(B, xx, s2);
67: VecAXPY(s2, -1.0, s1);
68: VecNorm(s2, NORM_2, &rnorm);
69: if (rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error: MatMult - Norm2=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)rnorm, bs);
70: }
72: /* test MatMultAdd() */
73: for (i = 0; i < IMAX; i++) {
74: VecSetRandom(xx, rand);
75: VecSetRandom(yy, rand);
76: MatMultAdd(A, xx, yy, s1);
77: MatMultAdd(B, xx, yy, s2);
78: VecAXPY(s2, -1.0, s1);
79: VecNorm(s2, NORM_2, &rnorm);
80: if (rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error: MatMultAdd - Norm2=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)rnorm, bs);
81: }
83: /* Test MatMultTranspose() */
84: for (i = 0; i < IMAX; i++) {
85: VecSetRandom(xx, rand);
86: MatMultTranspose(A, xx, s1);
87: MatMultTranspose(B, xx, s2);
88: VecNorm(s1, NORM_2, &s1norm);
89: VecNorm(s2, NORM_2, &s2norm);
90: rnorm = s2norm - s1norm;
91: if (rnorm < -tol || rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error: MatMultTranspose - Norm1=%16.14e Norm2=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)s1norm, (double)s2norm, bs);
92: }
93: /* Test MatMultTransposeAdd() */
94: for (i = 0; i < IMAX; i++) {
95: VecSetRandom(xx, rand);
96: VecSetRandom(yy, rand);
97: MatMultTransposeAdd(A, xx, yy, s1);
98: MatMultTransposeAdd(B, xx, yy, s2);
99: VecNorm(s1, NORM_2, &s1norm);
100: VecNorm(s2, NORM_2, &s2norm);
101: rnorm = s2norm - s1norm;
102: if (rnorm < -tol || rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error: MatMultTransposeAdd - Norm1=%16.14e Norm2=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)s1norm, (double)s2norm, bs);
103: }
105: /* Check MatGetValues() */
106: MatGetOwnershipRange(A, &rstart, &rend);
107: MatGetSize(A, &M, &N);
109: for (i = 0; i < IMAX; i++) {
110: /* Create random row numbers ad col numbers */
111: PetscRandomGetValue(rand, &v);
112: cols[0] = (int)(PetscRealPart(v) * N);
113: PetscRandomGetValue(rand, &v);
114: cols[1] = (int)(PetscRealPart(v) * N);
115: PetscRandomGetValue(rand, &v);
116: rows[0] = rstart + (int)(PetscRealPart(v) * m);
117: PetscRandomGetValue(rand, &v);
118: rows[1] = rstart + (int)(PetscRealPart(v) * m);
120: MatGetValues(A, 2, rows, 2, cols, vals1);
121: MatGetValues(B, 2, rows, 2, cols, vals2);
123: for (j = 0; j < 4; j++) {
124: if (vals1[j] != vals2[j]) {
125: PetscPrintf(PETSC_COMM_SELF, "[%d]: Error: MatGetValues rstart = %2" PetscInt_FMT " row = %2" PetscInt_FMT " col = %2" PetscInt_FMT " val1 = %e val2 = %e bs = %" PetscInt_FMT "\n", rank, rstart, rows[j / 2], cols[j % 2], (double)PetscRealPart(vals1[j]), (double)PetscRealPart(vals2[j]), bs);
126: }
127: }
128: }
130: /* Test MatGetRow()/ MatRestoreRow() */
131: for (ct = 0; ct < 100; ct++) {
132: PetscRandomGetValue(rand, &v);
133: row = rstart + (PetscInt)(PetscRealPart(v) * m);
134: MatGetRow(A, row, &ncols1, &cols1, &v1);
135: MatGetRow(B, row, &ncols2, &cols2, &v2);
137: for (i = 0, j = 0; i < ncols1 && j < ncols2; j++) {
138: while (cols2[j] != cols1[i]) i++;
140: }
143: MatRestoreRow(A, row, &ncols1, &cols1, &v1);
144: MatRestoreRow(B, row, &ncols2, &cols2, &v2);
145: }
147: /* Test MatConvert() */
148: MatConvert(A, MATSAME, MAT_INITIAL_MATRIX, &C);
150: /* See if MatMult Says both are same */
151: for (i = 0; i < IMAX; i++) {
152: VecSetRandom(xx, rand);
153: MatMult(A, xx, s1);
154: MatMult(C, xx, s2);
155: VecNorm(s1, NORM_2, &s1norm);
156: VecNorm(s2, NORM_2, &s2norm);
157: rnorm = s2norm - s1norm;
158: if (rnorm < -tol || rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error in MatConvert: MatMult - Norm1=%16.14e Norm2=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)s1norm, (double)s2norm, bs);
159: }
160: MatDestroy(&C);
162: /* Test MatTranspose() */
163: MatTranspose(A, MAT_INITIAL_MATRIX, &At);
164: MatTranspose(B, MAT_INITIAL_MATRIX, &Bt);
165: for (i = 0; i < IMAX; i++) {
166: VecSetRandom(xx, rand);
167: MatMult(At, xx, s1);
168: MatMult(Bt, xx, s2);
169: VecNorm(s1, NORM_2, &s1norm);
170: VecNorm(s2, NORM_2, &s2norm);
171: rnorm = s2norm - s1norm;
172: if (rnorm < -tol || rnorm > tol) PetscPrintf(PETSC_COMM_SELF, "[%d] Error in MatConvert:MatMult - Norm1=%16.14e Norm2=%16.14e bs = %" PetscInt_FMT "\n", rank, (double)s1norm, (double)s2norm, bs);
173: }
174: MatDestroy(&At);
175: MatDestroy(&Bt);
177: MatDestroy(&A);
178: MatDestroy(&B);
179: VecDestroy(&xx);
180: VecDestroy(&yy);
181: VecDestroy(&s1);
182: VecDestroy(&s2);
183: PetscRandomDestroy(&rand);
184: PetscFinalize();
185: return 0;
186: }
188: /*TEST
190: build:
191: requires: !complex
193: test:
194: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
195: nsize: 3
196: args: -matload_block_size 1 -f ${DATAFILESPATH}/matrices/small
198: test:
199: suffix: 2
200: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
201: nsize: 3
202: args: -matload_block_size 2 -f ${DATAFILESPATH}/matrices/small
203: output_file: output/ex53_1.out
205: test:
206: suffix: 3
207: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
208: nsize: 3
209: args: -matload_block_size 4 -f ${DATAFILESPATH}/matrices/small
210: output_file: output/ex53_1.out
212: test:
213: TODO: Matrix row/column sizes are not compatible with block size
214: suffix: 4
215: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
216: nsize: 3
217: args: -matload_block_size 5 -f ${DATAFILESPATH}/matrices/small
218: output_file: output/ex53_1.out
220: test:
221: suffix: 5
222: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
223: nsize: 3
224: args: -matload_block_size 6 -f ${DATAFILESPATH}/matrices/small
225: output_file: output/ex53_1.out
227: test:
228: TODO: Matrix row/column sizes are not compatible with block size
229: suffix: 6
230: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
231: nsize: 3
232: args: -matload_block_size 7 -f ${DATAFILESPATH}/matrices/small
233: output_file: output/ex53_1.out
235: test:
236: TODO: Matrix row/column sizes are not compatible with block size
237: suffix: 7
238: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
239: nsize: 3
240: args: -matload_block_size 8 -f ${DATAFILESPATH}/matrices/small
241: output_file: output/ex53_1.out
243: test:
244: suffix: 8
245: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
246: nsize: 4
247: args: -matload_block_size 3 -f ${DATAFILESPATH}/matrices/small
248: output_file: output/ex53_1.out
250: TEST*/