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