From:	horst DOT kraemer AT t-online DOT de (Horst Kraemer)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: oh, + casts to int?
Date:	Thu, 30 Dec 1999 11:16:45 GMT
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On Wed, 29 Dec 1999 18:49:08 -0500, "Rob McCrea"
<r_mccrea AT hotmail DOT com> wrote:

> Stroustrup, tc++pl pp. 122: "operands smaller than int are converted
> to int before the operator is allied"
> 
> while ((s+1) > s) s++; //not right.
> while ((static_cast<short>(s+1)) > s) s++; //is right for short s.
> 
> Well, thanks for listening I'm still a little curious why some
> compilers needed the cast and some don't.
 
Only those compiler where short and int have the same size. i.e. where
short and int is "the same" - typically 16-bit compilers whith 16 bit
short and int - won't need the cast. If short is 16 bit and int is 32
bit you _will_ need it.


Regards
Horst

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