3527   Mat             M, Msub, B = a->B;  in MatCreateSubMatrix_MPIAIJ_SameRowDist()  local
3547     PetscCall(PetscObjectQuery((PetscObject)*newmat, "SubMatrix", (PetscObject *)&Msub));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3548 …PetscCheck(Msub, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONGSTATE, "Submatrix passed in was not used befo…  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3550 …bMatrices_MPIAIJ_SingleIS_Local(mat, 1, &isrow, &iscol_sub, MAT_REUSE_MATRIX, PETSC_FALSE, &Msub));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3606 …Matrices_MPIAIJ_SingleIS_Local(mat, 1, &isrow, &iscol_sub, MAT_INITIAL_MATRIX, allcolumns, &Msub));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3610   aij = (Mat_SeqAIJ *)Msub->data;  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3619   PetscCall(MatGetSize(Msub, &m, NULL));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3695   PetscCall(MatSeqAIJGetArrayRead(Msub, (const PetscScalar **)&aa));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3704   PetscCall(MatSeqAIJRestoreArrayRead(Msub, (const PetscScalar **)&aa));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3715     PetscCall(PetscObjectCompose((PetscObject)*newmat, "SubMatrix", (PetscObject)Msub));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()
3716     PetscCall(MatDestroy(&Msub));  in MatCreateSubMatrix_MPIAIJ_SameRowDist()