BTW the 1e-6 fuzzy zero is because that is used in cdd, the backend for RDF 
polyhedra.

You can't really distinguish positive from non-negative in the nonexact 
case, so I'm fine with just providing it "as is".   



On Tuesday, October 13, 2015 at 3:30:24 PM UTC+2, Jan Keitel wrote:
>
> Hi Vincent,
>
> you were missing the crucial minus in the code: Instead of checking that 
> x>1e-6, it is checking whether x>-1e-6.
>
> Am Dienstag, 13. Oktober 2015 15:07:04 UTC+2 schrieb vdelecroix:
>>
>> Hi, 
>>
>>  > I don't know what you're checking, but the code in base_RDF.py says 
>>
>> The point 
>>
>>     (.5*v0 + .5*v1) - 1e-7*v2 
>>
>> is definitely not in the regular pentagon. But Sage answers that it is. 
>>
>> If you start taking barycenters, this is the kind of things you can run 
>> into. 
>>
>>  >> On 13/10/15 08:30, Jan Keitel wrote: 
>>  >>> that's actually not true, have you checked it? 
>>  >>> The code 
>>
>> What was actually not true in my initial statement? 
>>
>> Vincent 
>>
>

-- 
You received this message because you are subscribed to the Google Groups 
"sage-devel" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to sage-devel+unsubscr...@googlegroups.com.
To post to this group, send email to sage-devel@googlegroups.com.
Visit this group at http://groups.google.com/group/sage-devel.
For more options, visit https://groups.google.com/d/optout.

Reply via email to