On Wed, Jan 14, 2009 at 3:15 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> > From the PETSc developers guide > > Do not use {\em if (rank == 0)} or {\em if (v == PETSC\_NULL)} or {\em if > (flg == PETSC\_TRUE)} or {\em if (flg == PETSC\_FALSE)} > instead use {\em if (!rank)} or {\em if (!v)} or {\em if (flg)} or {\em if > (!flg)}. > > There was a flag == PETSC_TRUE in PETSc 3.0.0 that wasted a lot of several > peoples time finding it. Come on folks, we have better things to do with our > time. Please avoid this incorrect usage. I am fine with 1 and 3. 4 should not matter, but I am somewhat worried about 2. I thought there was no guarantee that NULL was actually 0, so I always check NULL. Matt > > Barry > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20090114/10019824/attachment.html>