[petsc-dev] [petsc-users] Compiler Warning

Jed Brown jed at 59A2.org
Wed Nov 3 11:39:09 CDT 2010

[moving to petsc-dev]

On Wed, Nov 3, 2010 at 10:54, Barry Smith <bsmith at mcs.anl.gov> wrote:

> Right, this is very bad. We set the r2 and r3 up front so the compiler
> won't complain about possible not set values?

I don't know, you wrote that code.  I stripped it out of a local build and I
don't get any warnings in optimized mode (with gcc or clang).  I think those
warnings were a compiler bug, unless you only saw them with-errorchecking=0.

 I guess we need to not use PetscMallocN() for structs and values in the
> structs.

Maybe, but only if we really need to set r2 up front.

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