[petsc-users] Query regarding old PETSC version

[Satish Balay]

neither of these appear to be in petsc-2.3.2

balay at es^/sandbox/balay/tmp/petsc-2.3.2-p10 $ grep -ri true_residual .
balay at es^/sandbox/balay/tmp/petsc-2.3.2-p10 $ grep -ri KSPTrueResididual .
balay at es^/sandbox/balay/tmp/petsc-2.3.2-p10 $ 

Satish


On Wed, 16 Aug 2017, Matthew Knepley wrote:

> On Wed, Aug 16, 2017 at 10:01 AM, Rachit Prasad <rachitp at vt.edu> wrote:
> 
> > Hi,
> >
> > Due to legacy issues, I am working with tversion 2.3.2 of PETSc in
> > FORTRAN. I want to monitor the true residual and hence I tried to use the
> > function KSPTrueResididual(). However, I am unable to understand what kind
> > of pointer is the last input parameter, "*dummy" supposed to be. I could
> > not find an example on the website since this is an older implementation.
> > Any insight on how to proceed further will be greatly helpful.
> >
> 
> That is a very long time ago, but I think you can use PETSC_NULL_OBJECT (if
> it exists). Also
> -ksp_monitor_true_residual may work.
> 
>   Thanks,
> 
>      Matt
> 
> 
> > Regards,
> > Rachit
> >
> >
> 
> 
>