140   Mat_IS   *matis;  in PCISSetUp()  local
147   matis = (Mat_IS *)pc->pmat->data;  in PCISSetUp()
160     PetscCall(PetscObjectReference((PetscObject)matis->rmapping));  in PCISSetUp()
162     pcis->mapping = matis->rmapping;  in PCISSetUp()
198     PetscCall(VecDuplicate(matis->x, &pcis->vec1_N));  in PCISSetUp()
271     PetscCall(MatGetBlockSize(matis->A, &bs));  in PCISSetUp()
272 …  PetscCall(MatCreateSubMatrix(matis->A, pcis->is_I_local, pcis->is_I_local, reuse, &pcis->pA_II));  in PCISSetUp()
283     PetscCall(MatCreateSubMatrix(matis->A, pcis->is_B_local, pcis->is_B_local, reuse, &pcis->A_BB));  in PCISSetUp()
284     PetscCall(PetscObjectTypeCompare((PetscObject)matis->A, MATSEQSBAIJ, &issbaij));  in PCISSetUp()
286 …   PetscCall(MatCreateSubMatrix(matis->A, pcis->is_I_local, pcis->is_B_local, reuse, &pcis->A_IB));  in PCISSetUp()
287 …   PetscCall(MatCreateSubMatrix(matis->A, pcis->is_B_local, pcis->is_I_local, reuse, &pcis->A_BI));  in PCISSetUp()
291       PetscCall(MatConvert(matis->A, MATSEQBAIJ, MAT_INITIAL_MATRIX, &newmat));  in PCISSetUp()
308       PetscCall(MatGetDiagonal(matis->A, pcis->vec1_N));  in PCISSetUp()
330     pcis->pure_neumann = matis->pure_neumann;  in PCISSetUp()
349     PetscCall(KSPSetOperators(pcis->ksp_N, matis->A, matis->A));  in PCISSetUp()
382           PetscCall(MatSetNullSpace(matis->A, nullsp));  in PCISSetUp()
393           PetscCall(MatSetNullSpace(matis->A, nullsp));  in PCISSetUp()