Actual source code: ex232.c
1: /* tests MatSeqSBAIJSetPreallocationCSR() and MatMPISBAIJSetPreallocationCSR() */
3: #include <petsc.h>
5: int main(int argc, char **args)
6: {
7: PetscInt ia[3] = {0, 2, 4};
8: PetscInt ja[4] = {0, 1, 0, 1};
9: PetscScalar c[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
10: Mat ssbaij, msbaij;
11: PetscBool v2 = PETSC_FALSE;
13: PetscFunctionBeginUser;
14: PetscCall(PetscInitialize(&argc, &args, (char *)0, (char *)0));
15: PetscCall(PetscOptionsGetBool(NULL, NULL, "-v2", &v2, NULL));
17: PetscCall(MatCreate(PETSC_COMM_SELF, &ssbaij));
18: PetscCall(MatCreate(PETSC_COMM_SELF, &msbaij));
19: if (!v2) {
20: PetscCall(MatSetType(ssbaij, MATSEQSBAIJ));
21: PetscCall(MatSetType(msbaij, MATMPISBAIJ));
22: }
23: PetscCall(MatSetBlockSize(ssbaij, 2));
24: PetscCall(MatSetSizes(ssbaij, 4, 4, 4, 4));
25: PetscCall(MatSetBlockSize(msbaij, 2));
26: PetscCall(MatSetSizes(msbaij, 4, 4, 4, 4));
27: if (v2) {
28: PetscCall(MatSetUp(ssbaij));
29: PetscCall(MatSetUp(msbaij));
30: PetscCall(MatSetType(ssbaij, MATSEQSBAIJ));
31: PetscCall(MatSetType(msbaij, MATMPISBAIJ));
32: }
33: PetscCall(MatSeqSBAIJSetPreallocationCSR(ssbaij, 2, ia, ja, c));
34: PetscCall(MatMPISBAIJSetPreallocationCSR(msbaij, 2, ia, ja, c));
35: PetscCall(MatView(ssbaij, PETSC_VIEWER_STDOUT_(PETSC_COMM_SELF)));
36: PetscCall(MatView(msbaij, PETSC_VIEWER_STDOUT_(PETSC_COMM_SELF)));
37: PetscCall(MatDestroy(&ssbaij));
38: PetscCall(MatDestroy(&msbaij));
39: PetscCall(PetscFinalize());
40: return 0;
41: }
43: /*TEST
45: test:
46: filter: sed "s?\.??g"
48: test:
49: suffix: 2
50: filter: sed "s?\.??g"
51: args : -v2
52: output_file: output/ex232_1.out
54: TEST*/