[petsc-users] Compiler Warning

[Jed Brown]

[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.

Jed
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