1: static char help[] = "Tests MatLoad() with blocksize set in in program\n\n";

  3: #include <petscmat.h>

  7: PetscInt main(PetscInt argc,char **args)
  8: {
  9:   Mat            A;
 10:   PetscViewer    fd;
 11:   char           file[PETSC_MAX_PATH_LEN];
 13:   PetscBool      flg;

 15:   PetscInitialize(&argc,&args,(char*)0,help);

 17:   /* Determine files from which we read the matrix */
 18:   PetscOptionsGetString(NULL,"-f",file,PETSC_MAX_PATH_LEN,&flg);
 19:   if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_USER,"Must indicate binary file with the -f");

 21:   /* Load matrices */
 22:   PetscViewerBinaryOpen(PETSC_COMM_WORLD,file,FILE_MODE_READ,&fd);
 23:   MatCreate(PETSC_COMM_WORLD,&A);
 24:   MatSetType(A,MATSBAIJ);
 25:   MatSetFromOptions(A);
 26:   MatSetBlockSize(A,2);
 27:   MatLoad(A,fd);
 28:   PetscViewerDestroy(&fd);
 29:   MatDestroy(&A);
 30:   PetscFinalize();
 31:   return 0;
 32: }