224   PetscSection unionSection, unionConeSection, parentSection;  in DMPlexCreateReferenceTree_Union()  local
235   PetscCall(PetscSectionCreate(comm, &unionSection));  in DMPlexCreateReferenceTree_Union()
236   PetscCall(PetscSectionSetChart(unionSection, 0, (pEnd - pStart) + (pRefEnd - pRefStart)));  in DMPlexCreateReferenceTree_Union()
238   for (p = pStart; p < pEnd; p++) PetscCall(PetscSectionSetDof(unionSection, p - pStart, 1));  in DMPlexCreateReferenceTree_Union()
243     if (qSize > 1) PetscCall(PetscSectionSetDof(unionSection, p - pRefStart + (pEnd - pStart), 1));  in DMPlexCreateReferenceTree_Union()
258   PetscCall(PetscSectionSetPermutation(unionSection, perm));  in DMPlexCreateReferenceTree_Union()
259   PetscCall(PetscSectionSetUp(unionSection));  in DMPlexCreateReferenceTree_Union()
260   PetscCall(PetscSectionGetStorageSize(unionSection, &numUnionPoints));  in DMPlexCreateReferenceTree_Union()
266     PetscCall(PetscSectionGetOffset(unionSection, cStart - pStart, &cOff));  in DMPlexCreateReferenceTree_Union()
269       PetscCall(PetscSectionGetOffset(unionSection, cStart - pStart, &cOff2));  in DMPlexCreateReferenceTree_Union()
282     PetscCall(PetscSectionGetOffset(unionSection, p - pStart, &uOff));  in DMPlexCreateReferenceTree_Union()
290     PetscCall(PetscSectionGetDof(unionSection, p - pRefStart + (pEnd - pStart), &uDof));  in DMPlexCreateReferenceTree_Union()
291     PetscCall(PetscSectionGetOffset(unionSection, p - pRefStart + (pEnd - pStart), &uOff));  in DMPlexCreateReferenceTree_Union()
308     PetscCall(PetscSectionGetOffset(unionSection, p - pStart, &uOff));  in DMPlexCreateReferenceTree_Union()
313       PetscCall(PetscSectionGetOffset(unionSection, e - pStart, &eOff));  in DMPlexCreateReferenceTree_Union()
325     PetscCall(PetscSectionGetDof(unionSection, p - pRefStart + (pEnd - pStart), &uDof));  in DMPlexCreateReferenceTree_Union()
326     PetscCall(PetscSectionGetOffset(unionSection, p - pRefStart + (pEnd - pStart), &uOff));  in DMPlexCreateReferenceTree_Union()
333         PetscCall(PetscSectionGetDof(unionSection, e - pRefStart + (pEnd - pStart), &eDof));  in DMPlexCreateReferenceTree_Union()
335           PetscCall(PetscSectionGetOffset(unionSection, e - pRefStart + (pEnd - pStart), &eOff));  in DMPlexCreateReferenceTree_Union()
338           PetscCall(PetscSectionGetOffset(unionSection, e - pStart, &eOff));  in DMPlexCreateReferenceTree_Union()
363       PetscCall(PetscSectionGetOffset(unionSection, v - pStart, &vOff));  in DMPlexCreateReferenceTree_Union()
370       PetscCall(PetscSectionGetDof(unionSection, v - pRefStart + (pEnd - pStart), &vDof));  in DMPlexCreateReferenceTree_Union()
371       PetscCall(PetscSectionGetOffset(unionSection, v - pRefStart + (pEnd - pStart), &vOff));  in DMPlexCreateReferenceTree_Union()
389     PetscCall(PetscSectionGetDof(unionSection, p - pRefStart + (pEnd - pStart), &uDof));  in DMPlexCreateReferenceTree_Union()
390     PetscCall(PetscSectionGetOffset(unionSection, p - pRefStart + (pEnd - pStart), &uOff));  in DMPlexCreateReferenceTree_Union()
399     PetscCall(PetscSectionGetDof(unionSection, p - pRefStart + (pEnd - pStart), &uDof));  in DMPlexCreateReferenceTree_Union()
400     PetscCall(PetscSectionGetOffset(unionSection, p - pRefStart + (pEnd - pStart), &uOff));  in DMPlexCreateReferenceTree_Union()
405       PetscCall(PetscSectionGetOffset(unionSection, parent - pStart, &parentU));  in DMPlexCreateReferenceTree_Union()
415   PetscCall(PetscSectionDestroy(&unionSection));  in DMPlexCreateReferenceTree_Union()