xref: /petsc/src/mat/tests/ex220.c (revision ebead697dbf761eb322f829370bbe90b3bd93fa3)
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     PetscViewer         viewer;
9     Mat                 A;
10     char                filename[PETSC_MAX_PATH_LEN];
11     PetscBool           flg;
12 
13     PetscFunctionBeginUser;
14   PetscCall(PetscInitialize(&argc, &argv, (char*)0, help));
15     PetscCall(PetscOptionsGetString(NULL, NULL, "-f", filename, sizeof(filename), &flg));
16     PetscCheck(flg,PETSC_COMM_WORLD, PETSC_ERR_USER_INPUT, "Must indicate a filename for input with the -f option");
17 
18     PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, filename, FILE_MODE_READ, &viewer));
19     PetscCall(MatCreateDense(PETSC_COMM_WORLD, PETSC_DECIDE, PETSC_DECIDE, 36, 36, NULL, &A));
20     PetscCall(MatLoad(A, viewer));
21     PetscCall(PetscViewerDestroy(&viewer));
22     PetscCall(MatDestroy(&A));
23     PetscCall(PetscFinalize());
24     return 0;
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