You can achieve the same effect by calling MatAssemblyBegin/End Il giorno lun 8 mag 2023 alle ore 15:54 Pichler, Franz < [email protected]> ha scritto:
> Hello, > i am using petsc in a single cpu setup where I have preassembled crs > matrices that I wrap via PetSC’s > > MatCreateSeqAIJWithArrays Functionality. > > > > Now I manipulate the values of these matrices (wohtout changing the > sparsity) without using petsc, > > > > When I now want to solve again I have to call > > PetscObjectStateIncrease((PetscObject)petsc_A); > > > > So that oetsc actually solves again (otherwise thinking nothing hs changed > , > > This means I have to include the private header > > #include <petsc/private/petscimpl.h> > > > > Which makes a seamingless implementation of petsc into a cmake process > more complicate (This guy has to be stated explicitly in the cmake process > at the moment) > > > > I would like to resolve that by “going” around the private header, > > My first intuition was to increase the state by hand > > ((PetscObject)petsc_A_aux[the_sys])->state++; > > This is the definition of petscstateincrease in the header. This throws me > an > > error: invalid use of incomplete type ‘struct _p_PetscObject’ > > > > compilation error. > > > > Is there any elegeant way around this? > > This is the first time I use the petsc mailing list so apologies for any > beginners mistake I did in formatting or anything else. > > > > Best regards > > > > Franz Pichler > > > -- Stefano
