These might not need to be deleted but could possibly be moved over ierr = PetscFunctionListDestroy(&((PetscObject)A)->qlist);CHKERRQ(ierr); ierr = PetscObjectListDestroy(&((PetscObject)A)->olist);CHKERRQ(ierr); ierr = PetscComposedQuantitiesDestroy((PetscObject)A);CHKERRQ(ierr);
also MatHeaderReplace() exists. I struggle to understand the exact differences and why both exist but I think there are some subtle reasons why there are both and don't know if they can be merged. > On Mar 1, 2022, at 2:47 PM, Junchao Zhang <junchao.zh...@gmail.com> wrote: > > I realized this problem but did not expect someone would run into it :) > Let me think again. > > --Junchao Zhang > > > On Tue, Mar 1, 2022 at 1:33 PM Mark Adams <mfad...@lbl.gov > <mailto:mfad...@lbl.gov>> wrote: > I have a container attached to my matrix and it seems to go away after a call > to MatSetPreallocationCOO. > Does that sound plausible?