Actual source code: ex232.c
2: /* tests MatSeqSBAIJSetPreallocationCSR() and MatMPISBAIJSetPreallocationCSR() */
4: #include <petsc.h>
6: int main(int argc, char **args)
7: {
8: PetscInt ia[3] = {0, 2, 4};
9: PetscInt ja[4] = {0, 1, 0, 1};
10: PetscScalar c[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
11: Mat ssbaij;
12: Mat msbaij;
14: PetscFunctionBeginUser;
15: PetscCall(PetscInitialize(&argc, &args, (char *)0, (char *)0));
17: PetscCall(MatCreate(PETSC_COMM_SELF, &ssbaij));
18: PetscCall(MatCreate(PETSC_COMM_SELF, &msbaij));
19: PetscCall(MatSetType(ssbaij, MATSEQSBAIJ));
20: PetscCall(MatSetType(msbaij, MATMPISBAIJ));
21: PetscCall(MatSetBlockSize(ssbaij, 2));
22: PetscCall(MatSetSizes(ssbaij, 4, 4, 4, 4));
23: PetscCall(MatSetBlockSize(msbaij, 2));
24: PetscCall(MatSetSizes(msbaij, 4, 4, 4, 4));
25: PetscCall(MatSeqSBAIJSetPreallocationCSR(ssbaij, 2, ia, ja, c));
26: PetscCall(MatMPISBAIJSetPreallocationCSR(msbaij, 2, ia, ja, c));
27: PetscCall(MatView(ssbaij, PETSC_VIEWER_STDOUT_(PETSC_COMM_SELF)));
28: PetscCall(MatView(msbaij, PETSC_VIEWER_STDOUT_(PETSC_COMM_SELF)));
29: PetscCall(MatDestroy(&ssbaij));
30: PetscCall(MatDestroy(&msbaij));
31: PetscCall(PetscFinalize());
32: return 0;
33: }
35: /*TEST
37: test:
38: filter: sed "s?\.??g"
40: TEST*/