41 …MatStencil lower, MatStencil upper, MPI_Comm commz, DM *dmz, PeOp PetscSF *sfz, PeOp PetscSF *sfzr)  in DMPatchZoom()  argument
56   if (!sfz) halo = 0;  in DMPatchZoom()
143   if (sfz) {  in DMPatchZoom()
172     PetscCall(PetscSFCreate(PetscObjectComm((PetscObject)dm), sfz));  in DMPatchZoom()
173     PetscCall(PetscObjectSetName((PetscObject)*sfz, "Buffered Map"));  in DMPatchZoom()
174 …PetscCall(PetscSFSetGraph(*sfz, M * N * P, q, localPoints, PETSC_COPY_VALUES, remotePoints, PETSC_…  in DMPatchZoom()
191   PetscSF     sfz, sfzr;  in DMPatchSolve()  local
272         PetscCall(DMPatchZoom(dmc, lower, upper, commp, &dmz, &sfz, &sfzr));  in DMPatchSolve()
278         PetscCall(PetscSFView(sfz, PETSC_VIEWER_STDOUT_(comm)));  in DMPatchSolve()
284         PetscCall(PetscSFBcastBegin(sfz, MPIU_SCALAR, xcarray, xzarray, MPI_REPLACE));  in DMPatchSolve()
285         PetscCall(PetscSFBcastEnd(sfz, MPIU_SCALAR, xcarray, xzarray, MPI_REPLACE));  in DMPatchSolve()
308         PetscCall(PetscSFDestroy(&sfz));  in DMPatchSolve()