61   IS        isg[2];                        /* index sets of split "0" and "1" */  member
105   PetscCall(PCFieldSplitSetIS(pc, "0", s->isg[0]));  in StokesSetupPC()
106   PetscCall(PCFieldSplitSetIS(pc, "1", s->isg[1]));  in StokesSetupPC()
147   PetscCall(MatNestGetISs(s->A, s->isg, NULL));  in StokesSetupIndexSets()
189   PetscCall(VecGetSubVector(s->y, s->isg[0], &y0));  in StokesExactSolution()
202   PetscCall(VecRestoreSubVector(s->y, s->isg[0], &y0));  in StokesExactSolution()
205   PetscCall(VecGetSubVector(s->y, s->isg[1], &y1));  in StokesExactSolution()
214   PetscCall(VecRestoreSubVector(s->y, s->isg[1], &y1));  in StokesExactSolution()
226   PetscCall(VecGetSubVector(s->b, s->isg[0], &b0));  in StokesRhs()
237   PetscCall(VecRestoreSubVector(s->b, s->isg[0], &b0));  in StokesRhs()
240   PetscCall(VecGetSubVector(s->b, s->isg[1], &b1));  in StokesRhs()
248   PetscCall(VecRestoreSubVector(s->b, s->isg[1], &b1));  in StokesRhs()
665   PetscCall(VecGetSubVector(s->b, s->isg[0], &b0));  in StokesCalcResidual()
668   PetscCall(VecRestoreSubVector(s->b, s->isg[0], &b0));  in StokesCalcResidual()
671   PetscCall(VecGetSubVector(s->b, s->isg[1], &b1));  in StokesCalcResidual()
674   PetscCall(VecRestoreSubVector(s->b, s->isg[1], &b1));  in StokesCalcResidual()
693   PetscCall(VecGetSubVector(s->y, s->isg[0], &y0));  in StokesCalcError()
696   PetscCall(VecRestoreSubVector(s->y, s->isg[0], &y0));  in StokesCalcError()
699   PetscCall(VecGetSubVector(s->y, s->isg[1], &y1));  in StokesCalcError()
702   PetscCall(VecRestoreSubVector(s->y, s->isg[1], &y1));  in StokesCalcError()