136   DM       base, preForest, postForest;  in main()  local
228   PetscCall(DMCreate(comm, &preForest));  in main()
229   PetscCall(DMSetType(preForest, (dim == 2) ? DMP4EST : DMP8EST));  in main()
230   PetscCall(DMCopyDisc(base, preForest));  in main()
231   PetscCall(DMForestSetBaseDM(preForest, base));  in main()
232   PetscCall(DMForestSetMinimumRefinement(preForest, 0));  in main()
233   PetscCall(DMForestSetInitialRefinement(preForest, 1));  in main()
234   PetscCall(DMSetFromOptions(preForest));  in main()
235   PetscCall(DMSetUp(preForest));  in main()
236   PetscCall(DMViewFromOptions(preForest, NULL, "-dm_pre_view"));  in main()
239   PetscCall(DMCreateGlobalVector(preForest, &preVec));  in main()
240   PetscCall(DMProjectFunction(preForest, 0., funcs, ctxs, INSERT_VALUES, preVec));  in main()
252     PetscCall(DMGetGlobalVector(preForest, &baseVecMapped));  in main()
253     PetscCall(DMForestTransferVecFromBase(preForest, baseVec, baseVecMapped));  in main()
269     PetscCall(DMRestoreGlobalVector(preForest, &baseVecMapped));  in main()
273 … if (!transfer_from_base[1]) PetscCall(PetscObjectGetReference((PetscObject)preForest, &preCount));  in main()
276     PetscCall(CreateAdaptivityLabel(preForest, &adaptLabel));  in main()
277     PetscCall(DMForestTemplate(preForest, comm, &postForest));  in main()
285     PetscCall(DMForestTransferVec(preForest, preVec, postForest, postVecTransfer, PETSC_TRUE, 0.0));  in main()
310       PetscCall(PetscObjectGetReference((PetscObject)preForest, &postCount));  in main()
324     PetscCall(DMDestroy(&preForest));  in main()
327     preForest = postForest;  in main()
339     PetscCall(DMGetGlobalVector(preForest, &baseVecMapped));  in main()
340     PetscCall(DMForestTransferVecFromBase(preForest, baseVec, baseVecMapped));  in main()
356     PetscCall(DMRestoreGlobalVector(preForest, &baseVecMapped));  in main()
361   PetscCall(DMDestroy(&preForest));  in main()