[fpc-pascal] math round vs banker's round

[Sven Barth]

Am 13.08.2013 23:48 schrieb "David Emerson" <dle3ab at angelbase.com>:
>
> Hi all,
>
> I have just discovered that the system.round function has this very odd
behavior of rounding towards an even number when the fractional part is .5
-- in the system.round documentation this is described as "banker's
rounding"
>
> I do not like this behavior. How can I use a more
mathematically-traditional round function, which always rounds .5 up, and
everything below .5 down?
>
> Do I need to write this function myself?

Take a look at SetRoundMode in unit Math:
http://www.freepascal.org/docs-html/rtl/math/setroundmode.html

Regards,
Sven
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