On Jul 14, 2010, at 1:47 PM, codemaker wrote:
> Hi
>
> I compile the following code in metroworks codewarrior v9.3 and I get a wrong
> calculation.
>
> UInt32 tmpY = 0;
>
> tmpY = 2008 * 367;
>
> if (tmpY!=736936)
> InfoMSG("tmpY=%ld", tmpY);
>
>
> I get 16040 instead of 736936. Do you know why?
Integer constants are probably being treated as 16-bit. When you multiply two
16-bit integers the result is a 16-bit integer, and you are overflowing. Make
sure you use 32-bit integer constants:
tmpY = 2008L * 367L;
--
Dave Carrigan
d...@rudedog.org
Seattle, WA, USA
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