Re: Is this a numerical problem?

[Jaroslav Hajek]

On Thu, Aug 19, 2010 at 10:39 AM, Lukas Reichlin
<address@hidden> wrote:
> Dear Octave community
>
> I'm using Octave 3.2.4 from MacPorts on MacOSX 10.6.4 running on an Intel 
> Core 2 Duo. I noticed a behaviour which seems strange to me. Does someone 
> have a good explanation for the results below?
>
> octave:60> a = (10 * rem (-12/5, 1))
> a = -4.00000000000000  # a < -4


Stop right there and ask yourself where you did that # a < -4 from.
Surely you've tested it, right? :D

-- 
RNDr. Jaroslav Hajek, PhD
computing expert & GNU Octave developer
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz