Actual source code: ex100.c
2: static char help[] = "Tests various routines in MatMAIJ format.\n";
4: #include <petscmat.h>
5: #define IMAX 15
6: int main(int argc, char **args)
7: {
8: Mat A, B, MA;
9: PetscViewer fd;
10: char file[PETSC_MAX_PATH_LEN];
11: PetscInt m, n, M, N, dof = 1;
12: PetscMPIInt rank, size;
13: PetscBool flg;
15: PetscFunctionBeginUser;
16: PetscCall(PetscInitialize(&argc, &args, (char *)0, help));
17: PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank));
18: PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size));
20: /* Load aij matrix A */
21: PetscCall(PetscOptionsGetString(NULL, NULL, "-f", file, sizeof(file), &flg));
22: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_USER, "Must indicate binary file with the -f option");
23: PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file, FILE_MODE_READ, &fd));
24: PetscCall(MatCreate(PETSC_COMM_WORLD, &A));
25: PetscCall(MatLoad(A, fd));
26: PetscCall(PetscViewerDestroy(&fd));
28: /* Get dof, then create maij matrix MA */
29: PetscCall(PetscOptionsGetInt(NULL, NULL, "-dof", &dof, NULL));
30: PetscCall(MatCreateMAIJ(A, dof, &MA));
31: PetscCall(MatGetLocalSize(MA, &m, &n));
32: PetscCall(MatGetSize(MA, &M, &N));
34: if (size == 1) {
35: PetscCall(MatConvert(MA, MATSEQAIJ, MAT_INITIAL_MATRIX, &B));
36: } else {
37: PetscCall(MatConvert(MA, MATMPIAIJ, MAT_INITIAL_MATRIX, &B));
38: }
40: /* Test MatMult() */
41: PetscCall(MatMultEqual(MA, B, 10, &flg));
42: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_CONV_FAILED, "Error: MatMul() for MAIJ matrix");
43: /* Test MatMultAdd() */
44: PetscCall(MatMultAddEqual(MA, B, 10, &flg));
45: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_CONV_FAILED, "Error: MatMulAdd() for MAIJ matrix");
47: /* Test MatMultTranspose() */
48: PetscCall(MatMultTransposeEqual(MA, B, 10, &flg));
49: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_CONV_FAILED, "Error: MatMulAdd() for MAIJ matrix");
51: /* Test MatMultTransposeAdd() */
52: PetscCall(MatMultTransposeAddEqual(MA, B, 10, &flg));
53: PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_CONV_FAILED, "Error: MatMulTransposeAdd() for MAIJ matrix");
55: PetscCall(MatDestroy(&MA));
56: PetscCall(MatDestroy(&A));
57: PetscCall(MatDestroy(&B));
58: PetscCall(PetscFinalize());
59: return 0;
60: }
62: /*TEST
64: build:
65: requires: !complex
67: test:
68: nsize: {{1 3}}
69: requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
70: args: -f ${DATAFILESPATH}/matrices/arco1 -dof {{1 2 3 4 5 6 8 9 16}} -viewer_binary_skip_info
72: TEST*/