Actual source code: ex220.c

petsc-3.13.6 2020-09-29
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  2:  #include <petscmat.h>

  4: static char help[PETSC_MAX_PATH_LEN] = "Tests MatLoad() with MatCreateDense() for memory leak ";

  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;

 14:     PetscInitialize(&argc, &argv, (char*)0, help);if (ierr) return ierr;
 15:     PetscOptionsGetString(NULL, NULL, "-f", filename, sizeof(filename), &flg);
 16:     if (!flg) SETERRQ(PETSC_COMM_WORLD, 1, "Must indicate a filename for input with the -f option");

 18:     PetscViewerBinaryOpen(PETSC_COMM_WORLD, filename, FILE_MODE_READ, &viewer);
 19:     MatCreateDense(PETSC_COMM_WORLD, PETSC_DECIDE, PETSC_DECIDE, 36, 36, NULL, &A);
 20:     MatLoad(A, viewer);
 21:     PetscViewerDestroy(&viewer);
 22:     MatDestroy(&A);
 23:     PetscFinalize();
 24:     return ierr;
 25: }

 27: /*TEST

 29:      test:
 30:        requires: double !complex !define(PETSC_USE_64BIT_INDICES) datafilespath
 31:        args: -f ${DATAFILESPATH}/matrices/small

 33: TEST*/