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Re: compiling with pgCC
- Subject: Re: compiling with pgCC
- Date: Wed, 31 May 2006 21:55:59 -0600
Hi Warren,
> > Actually, I was referring to a different error (an undefined
> > reference), not to the warning about change of sign. Although it is
> > valid C++ to store a signed quantity in an unsigned variable, the
> > Portland Group compiler is just being "extra helpful" in providing a
> > warning about this, because it may not be what was intended. The
> > warning may just be ignored in this case.
>
> I guess it would probably be good to find the cause of the warning and fix
> it.
> It is usually bad form to store signed values into unsigned typed variables.
Yes, you're right of course. In this case no other C++ compiler
produced the warning (even g++ with -Wall -pedantic).
But I think a cast would make the warning go away in all cases. If we
still have access to a local PG C++ compiler, I'll see if I can verify
that.
--Russ
