> On Jul 6, 2016, at 12:17 PM, Xiangdong wrote:
>
> Hello everyone,
>
> I am using snes_type aspin, which is actually newtonls + npc (nasm). After
> each newton iteration, if I call SNESGetFunction, the preconditioned residual
> is obtained. However, if I use SNESComputeFunction, I get the t
Hello everyone,
I am using snes_type aspin, which is actually newtonls + npc (nasm). After
each newton iteration, if I call SNESGetFunction, the preconditioned
residual is obtained. However, if I use SNESComputeFunction, I get the
true (unpreconditioned) residual.
If I want to know the precondit
