neither of these appear to be in petsc-2.3.2 balay@es^/sandbox/balay/tmp/petsc-2.3.2-p10 $ grep -ri true_residual . balay@es^/sandbox/balay/tmp/petsc-2.3.2-p10 $ grep -ri KSPTrueResididual . balay@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 <rach...@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 > > > > > > >
