345     PetscCall(KSPCreate(PETSC_COMM_SELF, &pcis->ksp_N));  in PCISSetUp()
346     PetscCall(KSPSetNestLevel(pcis->ksp_N, pc->kspnestlevel));  in PCISSetUp()
347     PetscCall(KSPSetErrorIfNotConverged(pcis->ksp_N, pc->erroriffailure));  in PCISSetUp()
348     PetscCall(PetscObjectIncrementTabLevel((PetscObject)pcis->ksp_N, (PetscObject)pc, 1));  in PCISSetUp()
349     PetscCall(KSPSetOperators(pcis->ksp_N, matis->A, matis->A));  in PCISSetUp()
350     PetscCall(KSPSetOptionsPrefix(pcis->ksp_N, "is_localN_"));  in PCISSetUp()
351     PetscCall(KSPGetPC(pcis->ksp_N, &pc_ctx));  in PCISSetUp()
353     PetscCall(KSPSetType(pcis->ksp_N, KSPPREONLY));  in PCISSetUp()
354     PetscCall(KSPSetFromOptions(pcis->ksp_N));  in PCISSetUp()
399     PetscCall(KSPSetUp(pcis->ksp_N));  in PCISSetUp()
434   PetscCall(KSPDestroy(&pcis->ksp_N));  in PCISReset()
638   PetscCall(KSPSolve(pcis->ksp_N, vec1_N, vec2_N));  in PCISApplyInvSchur()
639   PetscCall(KSPCheckSolve(pcis->ksp_N, pc, vec2_N));  in PCISApplyInvSchur()