[petsc-users] KSPSetOperators(ksp, A, A, SAME_NONZERO_PATTERN) does not work any more

[Hong]

   - KSPSetOperators() no longer has the MatStructure argument. The Mat
   objects now track that information themselves. Use
   KPS/PCSetReusePreconditioner() to prevent the recomputation of the
   preconditioner if the operator changed in the way that
   SAME_PRECONDITIONER did with KSPSetOperators()

see http://www.mcs.anl.gov/petsc/documentation/changes/35.html

Hong

On Sun, Aug 7, 2016 at 2:59 AM, 丁老师 <ztdepyahoo at 163.com> wrote:

> Dear friends:
>      I just update to 3.6.3, but the command "
> KSPSetOperators(ksp,A,A,SAME_NONZERO_PATTERN)" does not work any more.
> could you please give me some suggestions
> Regards
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