On Fri, Jun 26, 2009 at 4:14 PM, maxthemouse<adamwebb_...@yahoo.com> wrote:
>
> I am have been looking into the many errors reported in trac #6318
> (http://trac.sagemath.org/sage_trac/ticket/6318). Most seem to be due
> to only one problem, namely passing Sage symbolic expressions. This
> has been mentioned elsewhere: 
> http://groups.google.com/group/sage-devel/browse_thread/thread/7e3b729d6bb58a36#
>
>
> A fricas specific thing seems to cause two errors. The returned type
> is different in fricas than from axiom in some cases.
>
> example 1:
> sage: a = axiom('Fraction Integer')
> sage: print a
> Fraction Integer
>
> sage: b = fricas('Fraction Integer')
> sage: print b
> Fraction(Integer)
>
> When the type is one word like 'Integer' they give the same string.
>
> example 2:
> sage: two = fricas(2)
> sage: two.comma(3)
> [2,3]
> sage: two.comma(3,4)
> [2,3,4]
> sage: _.type()
> Tuple(PositiveInteger)   <========    expected result is Tuple
> PositiveInteger
>
> There is a specific line in the type() method of
> axiom.PanAxiomElement that evaluates self.name() and receives a string
> from axiom or fricas which contains the type information. I am
> guessing that it is also used to make the print string. The change
> breaks the tests. Is the change intentional or accidental? Someone
> from fricas will have to say.

Then you should join the fricas-devel mailing list and send this
message there too:

"fricas-devel" <fricas-de...@googlegroups.com>,

I would, but it's important that you see the response, of course.

>
> I hope this helps.
>
> Cheers,
> Adam
> >
>



-- 
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org

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