60   PC                    pc;  in main()  local
390   PetscCall(KSPGetPC(ksp, &pc));  in main()
393     PetscCall(PCSetType(pc, PCMG));  in main()
396     PetscCall(PCMGSetLevels(pc, num_levels, NULL));  in main()
401       PetscCall(PCMGGetSmoother(pc, i, &smoother));  in main()
412         PetscCall(PCMGSetX(pc, i, X[i]));  in main()
418         PetscCall(PCMGSetInterpolation(pc, i, mat_pr[i]));  in main()
424       PetscCall(PCMGGetCoarseSolve(pc, &coarse));  in main()
438     PetscCall(PCMGSetType(pc, PC_MG_MULTIPLICATIVE));  in main()
439     PetscCall(PCMGSetNumberSmooth(pc, 3));  in main()
440     PetscCall(PCMGSetCycleType(pc, pcmg_cycle_type));  in main()
486     PetscCall(PCMGGetType(pc, &pcmg_type));  in main()