peternilsson42 <[EMAIL PROTECTED]> wrote: Thomas Hruska <[EMAIL
PROTECTED]> wrote:
> Mohan S N wrote:
> > > Ananth wrote:
> > > > Simple thumb of rule I've always followed:
> > > > (1) Cast all variables in a statement to same type
> >
> > why why why?
>
> Well, the the main reason do that is because it forces the
> compiler to do what the developer wants it to do not what the
> compiler thinks it should do.
That may be the main excuse, but it's not a good reason.
In general, there's no reason to use a cast to bring operands
to the same type. Both C and C++ have integral promotions and
usual arithmetic conversions for that.
If a compiler produces 0 instead of 0.5 for the expression 1/2
then there's a problem with the programmer, not the compiler.
There's only one cure for that... education.
--
Peter
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