Actual source code: ex100.c
1: static char help[] = "Tests various routines in MatMAIJ format.\n";
3: #include <petscmat.h>
4: #define IMAX 15
5: int main(int argc, char **args)
6: {
7: Mat A, B, MA;
8: PetscViewer fd;
9: char file[PETSC_MAX_PATH_LEN];
10: PetscInt m, n, M, N, dof = 1;
11: PetscMPIInt rank, size;
12: PetscBool flg;
14: PetscFunctionBeginUser;
15: PetscCall(PetscInitialize(&argc, &args, NULL, help));
16: PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank));
17: PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size));
19: /* Load aij matrix A */
20: PetscCall(PetscOptionsGetString(NULL, NULL, "-f", file, sizeof(file), &flg));
21: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_USER, "Must indicate binary file with the -f option");
22: PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file, FILE_MODE_READ, &fd));
23: PetscCall(MatCreate(PETSC_COMM_WORLD, &A));
24: PetscCall(MatLoad(A, fd));
25: PetscCall(PetscViewerDestroy(&fd));
27: /* Get dof, then create maij matrix MA */
28: PetscCall(PetscOptionsGetInt(NULL, NULL, "-dof", &dof, NULL));
29: PetscCall(MatCreateMAIJ(A, dof, &MA));
30: PetscCall(MatGetLocalSize(MA, &m, &n));
31: PetscCall(MatGetSize(MA, &M, &N));
33: if (size == 1) {
34: PetscCall(MatConvert(MA, MATSEQAIJ, MAT_INITIAL_MATRIX, &B));
35: } else {
36: PetscCall(MatConvert(MA, MATMPIAIJ, MAT_INITIAL_MATRIX, &B));
37: }
39: /* Test MatMult() */
40: PetscCall(MatMultEqual(MA, B, 10, &flg));
41: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_CONV_FAILED, "Error: MatMul() for MAIJ matrix");
42: /* Test MatMultAdd() */
43: PetscCall(MatMultAddEqual(MA, B, 10, &flg));
44: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_CONV_FAILED, "Error: MatMulAdd() for MAIJ matrix");
46: /* Test MatMultTranspose() */
47: PetscCall(MatMultTransposeEqual(MA, B, 10, &flg));
48: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_CONV_FAILED, "Error: MatMulAdd() for MAIJ matrix");
50: /* Test MatMultTransposeAdd() */
51: PetscCall(MatMultTransposeAddEqual(MA, B, 10, &flg));
52: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_CONV_FAILED, "Error: MatMulTransposeAdd() for MAIJ matrix");
54: PetscCall(MatDestroy(&MA));
55: PetscCall(MatDestroy(&A));
56: PetscCall(MatDestroy(&B));
57: PetscCall(PetscFinalize());
58: return 0;
59: }
61: /*TEST
63: build:
64: requires: !complex
66: test:
67: nsize: {{1 3}}
68: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
69: args: -f ${DATAFILESPATH}/matrices/arco1 -dof {{1 2 3 4 5 6 8 9 16}} -viewer_binary_skip_info
71: TEST*/