On Tue, Nov 10, 2015 at 3:27 AM, TAY wee-beng <[email protected]> wrote:
> Hi, > > Inside my subroutine, I need to access the DA variable cu_types_array > frequently. > > So I need to call DMDAVecGetArrayF90 and DMDAVecRestoreArrayF90 before and > after frequently. > > Is this necessary? Can I call DMDAVecGetArrayF90 at the start and only > call DMDAVecRestoreArrayF90 towards the end, where I don't need to modify > the values of cu_types_array anymore? > > Will this cause memory corruption? > You cannot use any other vector operations before you have called Restore. > Also, must the array be restored using DMDAVecRestoreArrayF90 before > calling DMLocalToLocalBegin,DMLocalToLocalEnd? Yes. Matt > > -- > Thank you. > > Yours sincerely, > > TAY wee-beng > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
