Salut Vincent,
On Thu, Nov 14, 2013 at 10:43:19PM -0500, Vincent Delecroix wrote:
> For me it is a bug: the behavior of cartesian_product (not
> CartesianProduct) is not symmetric...
> {{{
> sage: C1 = cartesian_product([FiniteEnumeratedSet('abc'),ZZ])
> The cartesian product of ({'a', 'b', 'c'}, Integer Ring)
> sage: C1
> sage: C1.an_element()
> ('a', 1)
> }}}
> but
> {{{
> sage: cartesian_product([ZZ,FiniteEnumeratedSet('abc')])
> Traceback (most recent call last):
> ...
> AttributeError: type object
> 'sage.rings.integer_ring.IntegerRing_class' has no attribute
> 'CartesianProduct'
> }}}
> And by the way, why CartesianProduct still exist ?
Thanks for the report!
> I would be happy to fix that if I know what to do.
I just created #15425 for this, with pointers towards what should be
done. Please add there any further bug/feature of cartesian products I
may have missed.
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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