[fpc-pascal] Sin function
ivo_steinmann at gmx.net
Wed Dec 29 13:23:41 CET 2010
0.0 and -0.0 is the same number ;) it's just a quirk of the IEEE
floating point format, that there exists a positiv and negative zero
(because they use a sign bit).
Am 29.12.2010 12:17, schrieb Ingemar Ragnemalm:
> faber <bor400 at gmail.com> wrote:
>> according to docs/reference sin function should print 0.0 when
>> Writeln (Sin(Pi):0:1);
>> but, with fpc 2.4.0 and 2.4.2 (x86) I've get "-0.0", such a result is
>> not entirely correct.
>> This is a bug (in sin func.) or something wrong with the formatting ?
>> best regards
> If I were you I would print it with more digits so you see if there is
> any significant difference at all.
> fpc-pascal maillist - fpc-pascal at lists.freepascal.org
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