On 11 March 2016 at 18:11, anton <po...@uni-mainz.de> wrote: > Hi team, > > I'm implementing staggered grid in a PETSc-canonical way, trying to build > a custom DM object, attach it to SNES, that should later transfered it > further to KSP and PC. > > Yet, the Galerking coarsening for staggered grid is non-symmetric. The > question is how possible is it that DMShellSetCreateRestriction can be > implemented and included in 3.7 release? >
It's a little more work than just adding a new method within the DM and a new APIs for DMCreateRestriction() and DMShellSetCreateRestriction(). PCMG needs to be modified to call DMCreateRestriction(). > > Please, please. > > Thanks, > Anton > > >
