Re: Rounding of OS match percentages differs between architectures

["DePriest, Jason R." <jrdepriest () gmail com>]

On Wed, Nov 19, 2008 at 7:26 PM, David Fifield <david () bamsoftware com> wrote:
> Hey, thanks, that works! I guess I assumed that ((int) d) and floor(d)
> would have the same result when d is positive. Apparently floor has
> extra logic to know when its argument is less than but very close to an
> integer.
>
> (To see what I mean by "very close to," run python and type in "0.98". I
> see "0.97999999999999998" as output.)
>
> I wonder if this is really caused by the C library? Can anyone else
> reproduce the "97% 98%" output from the test program I posted?
>
> David Fifield

32-bit Windows compiled with cygwin's gcc 3.4.4
$ ./test
97% 98%

32-bit Debian Linux with Debian's gcc 4.3.2 package
$ ./test
97% 98%

I have a 64-bit processor but I am running 32-bit OSes.

-Jason

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