xref: /petsc/src/mat/tests/ex220.c (revision 40badf4fbc550ac1f60bd080eaff6de6d55b946d)
1 
2 #include <petscmat.h>
3 
4 static char help[PETSC_MAX_PATH_LEN] = "Tests MatLoad() with MatCreateDense() for memory leak ";
5 
6 int main(int argc, char **argv)
7 {
8     PetscErrorCode      ierr;
9     PetscViewer         viewer;
10     Mat                 A;
11     char                filename[PETSC_MAX_PATH_LEN];
12     PetscBool           flg;
13 
14     ierr = PetscInitialize(&argc, &argv, (char*)0, help);if (ierr) return ierr;
15     CHKERRQ(PetscOptionsGetString(NULL, NULL, "-f", filename, sizeof(filename), &flg));
16     PetscCheckFalse(!flg,PETSC_COMM_WORLD, PETSC_ERR_USER_INPUT, "Must indicate a filename for input with the -f option");
17 
18     CHKERRQ(PetscViewerBinaryOpen(PETSC_COMM_WORLD, filename, FILE_MODE_READ, &viewer));
19     CHKERRQ(MatCreateDense(PETSC_COMM_WORLD, PETSC_DECIDE, PETSC_DECIDE, 36, 36, NULL, &A));
20     CHKERRQ(MatLoad(A, viewer));
21     CHKERRQ(PetscViewerDestroy(&viewer));
22     CHKERRQ(MatDestroy(&A));
23     ierr = PetscFinalize();
24     return ierr;
25 }
26 
27 /*TEST
28 
29      test:
30        requires: double !complex !defined(PETSC_USE_64BIT_INDICES) datafilespath
31        args: -f ${DATAFILESPATH}/matrices/small
32 
33 TEST*/
34