[petsc-dev] preallocation checks

[Barry Smith]

  I have pushed an update so that converting from seqdense to seqaij does correct preallocation.  So this problem should be gone for you.  Please let me know if the problem does not resolve.

   Barry

On Jan 20, 2012, at 10:25 AM, Stefano Zampini wrote:

> I pulled the latest tip and recompiling my application I got this error when converting from SEQDENSE to SEQAIJ
> 
> [0]PETSC ERROR: ------------------------------------------------------------------------
> [0]PETSC ERROR: MatSetValues_SeqAIJ() line 331 in src/mat/impls/aij/seq/aij.c
> [0]PETSC ERROR: MatSetValues() line 1119 in src/mat/interface/matrix.c
> [0]PETSC ERROR: MatConvert_Basic() line 37 in src/mat/utils/convert.c
> [0]PETSC ERROR: MatConvert() line 3859 in src/mat/interface/matrix.c
> 
> Is there a way to disable from command line new nonzeros errors?
> 
> 2012/1/16 Lisandro Dalcin <dalcinl at gmail.com>
> On 16 January 2012 17:58, Lisandro Dalcin <dalcinl at gmail.com> wrote:
> > On 15 January 2012 23:30, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> >> On Wed, Jan 11, 2012 at 22:10, Barry Smith <bsmith at mcs.anl.gov> wrote:
> >>>
> >>>  That is not a concern, better to stop early with a useful message than
> >>> take tons of extra time on a huge job and make PETSc look extra bad at huge
> >>> problems.
> >>
> >>
> >> Done, I'll check the nightlies tomorrow to see which examples broke.
> >>
> >> http://petsc.cs.iit.edu/petsc/petsc-dev/rev/631dbd3be1c5
> >
> > I've got this regression in petsc4py converting CRL -> AIJ. Of course
> > I can fix the test, but perhaps this should be handled in PETSc?
> >
> 
> More regressions:
> 
> [0] MatShift() line 166 in /home/devel/petsc/dev/src/mat/utils/axpy.c
> [0] MatSetValues() line 1119 in /home/devel/petsc/dev/src/mat/interface/matrix.c
> [0] MatSetValues_SeqAIJ() line 331 in
> /home/devel/petsc/dev/src/mat/impls/aij/seq/aij.c
> [0] Argument out of range
> [0] New nonzero at (0,0) caused a malloc
> 
> 
> 
> --
> Lisandro Dalcin
> ---------------
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> 
> 
> 
> -- 
> Stefano