On Jun 28, 2010, at 3:13 PM, Xuan YU wrote: > > On Jun 28, 2010, at 3:47 PM, Barry Smith wrote: > >> >> Do you have a TSSetFromOptions() or a SNESSetFromOptions() or a >> KSPSetFromOptions() or a PCSetFromOptions(). If not then the option never >> gets processed and used. >> > I only have ierr = TSSetFromOptions(ts);CHKERRQ(ierr).
That is fine, that calls PCSetFromOptions() and should process your option. Perhaps you set a prefix for the TS that you need in setting the preconditioner type. Barry > > > >> Barry >> >> On Jun 28, 2010, at 2:24 PM, Xuan YU wrote: >> >>> Hi, >>> >>> I run my code by ./xxx -pc_type icc >>> >>> But it says: >>> >>> WARNING! There are options you set that were not used! >>> WARNING! could be spelling mistake, etc! >>> Option left: name:-pc_type value: icc >>> >>> Could you please tell me what happened? >>> >>> Xuan YU >>> xxy113 at psu.edu >>> >>> >>> >>> >> >> > > > > > >
