On Wed, Oct 17, 2012 at 1:45 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> > Paul, > > With this type of problem you need to get a handle on exactly where > the floating point exception appeared. This is done by running the debug > version of the code in a debugger and asking the debugger to catch floating > point exceptions (how to do this depends on the debugger). Once you see > exactly where the floating point except ion comes from (for example a > divide by zero, square root of a negative number etc) that can lead to > seeing how to avoid it. > > Note to developers, we should have an answer for this in PETSc FAQ. > https://bitbucket.org/petsc/petsc-dev/changeset/6e2912899260e1c94b78c60754198048af02ca85 Can one of you Mac users figure out how to make -fp_trap work there? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20121020/24c42497/attachment.html>
