Hi Øyvind
Thanks a lot! Indeed that's a dirty hack, but it produces the desired
result :)
I'd be interested in actually fixing this. So maybe if I take some
time to understand how sympy expressions are parsed and how exactly
your printing works I could help in finding a good solution for this.
Act
Well, what does a print statement before the failing line give? I
saw something like this once where a test was converting sets to
lists, then comparing them, assuming that the ordering would be
canonical, at least across runs, but it turned out that it wasn't even
that. Actually, did we ever fi
On Thu, Nov 11, 2010 at 2:40 AM, Omar Awile wrote:
> Hi Øyvind
>
> Thanks a lot! Indeed that's a dirty hack, but it produces the desired
> result :)
> I'd be interested in actually fixing this. So maybe if I take some
> time to understand how sympy expressions are parsed and how exactly
> your pri
I have to guesses:
1. hashing (like Aaron already mentioned)
2. caching
Both are related and responsible for inconsistent results of sympy.
Did you try to disable the cache to see if the test passes then?
Also, IIRC some tests fail if not executed in correct order (this is
bad and why I implemen
Hi all,
Running 'python bin/sympy_time.py', I realised that importing sympy
pulls in a lot of stuff that are irrelevant to an end user, like pdb,
doctest or py.test. Fixing this simply requires removing the imports of
runtests and pytest from sympy/utilities/__init.py and importing those
modules e
On Thu, Nov 11, 2010 at 11:59 AM, Ronan Lamy wrote:
> Hi all,
>
> Running 'python bin/sympy_time.py', I realised that importing sympy
> pulls in a lot of stuff that are irrelevant to an end user, like pdb,
> doctest or py.test. Fixing this simply requires removing the imports of
> runtests and pyt
How difficult would it be to provide a model like Maple, where the
common functions are imported by default, but if you want more
advanced things you have to import the module? The difficulty, the
common functions and more advanced ones might be in the same file.
So, for example, you might want to
Also, I think we could probably stop importing stuff from utilities by
default, if that helps.
Aaron Meurer
On Thu, Nov 11, 2010 at 2:08 PM, Aaron Meurer wrote:
> How difficult would it be to provide a model like Maple, where the
> common functions are imported by default, but if you want more
>
On Thu, Nov 11, 2010 at 1:08 PM, Aaron Meurer wrote:
> How difficult would it be to provide a model like Maple, where the
> common functions are imported by default, but if you want more
> advanced things you have to import the module? The difficulty, the
> common functions and more advanced ones
On Thu, Nov 11, 2010 at 2:44 PM, Ondrej Certik wrote:
> On Thu, Nov 11, 2010 at 1:08 PM, Aaron Meurer wrote:
>> How difficult would it be to provide a model like Maple, where the
>> common functions are imported by default, but if you want more
>> advanced things you have to import the module? T
Le jeudi 11 novembre 2010 à 12:08 -0800, Ondrej Certik a écrit :
> On Thu, Nov 11, 2010 at 11:59 AM, Ronan Lamy wrote:
> > Hi all,
> >
> > Running 'python bin/sympy_time.py', I realised that importing sympy
> > pulls in a lot of stuff that are irrelevant to an end user, like pdb,
> > doctest or py
I've been discussing a problem with someone on the tutor list. It has
to do with computing the sum of the proper divisors of a number. I
suggested that he check out the sympy ntheory module. He did and is
getting dismal results that are very different from mine. Does anyone
have an idea what the pr
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