1 2 #include "../src/mat/impls/aij/mpi/mpiaij.h" 3 4 EXTERN_C_BEGIN 5 #undef __FUNCT__ 6 #define __FUNCT__ "MatGetDiagonalBlock_MPIAIJ" 7 PetscErrorCode MatGetDiagonalBlock_MPIAIJ(Mat A,PetscBool *iscopy,MatReuse reuse,Mat *a) 8 { 9 PetscFunctionBegin; 10 *a = ((Mat_MPIAIJ *)A->data)->A; 11 *iscopy = PETSC_FALSE; 12 PetscFunctionReturn(0); 13 } 14 EXTERN_C_END 15