1: #define PETSCMAT_DLL
2: #include src/mat/impls/aij/mpi/mpiaij.h
7: PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat A,PetscTruth *iscopy,MatReuse reuse,Mat *a)
8: {
10: *a = ((Mat_MPIAIJ *)A->data)->A;
11: *iscopy = PETSC_FALSE;
12: return(0);
13: }