[petsc-dev] checking sanity of user evaluations

Jed Brown jedbrown at mcs.anl.gov
Thu Jun 14 15:05:16 CDT 2012

In the case of a matrix, shouldn't these checks go the first place we
encounter them (MatSetValues)?

Running with -fp_trap is really good at finding these kind of mistakes.

On Wed, Jun 13, 2012 at 8:50 AM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>   On return from user FormFunction and FormJacobian in debug mode should
> we check if all user output is sane? That is numerical values in the matrix
> and vector are sane, no 1.e-307 or 1.e85 and stuff like that?
>   Barry
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