I think I know what's going on.
If you install the Gap optional packages, then reset the
workspace you get the behavior I see. If you don't install
the optional packages you don't. Thus one of the packages
changes the print behavior of Gap.
Indeed, here it is:
gap> LoadPackage("hap");
Loading HAP 1.7.5gamma ...
true
gap> PolynomialRing(Rationals,2);
PolynomialRing(..., [ x, x_2 ])
My solution will be to slightly change gap.py, so it does *not*
autoload hap into the workspace, then change the doctests
back. Note: In the old gap.py, hap wasn't loaded into the
workspace automatically -- I thought this was a mistake, but
evidently the reason is because hap slightly modifies
how certain things work with gap polynomial rings. Annoying.
OK, I've pushed this out, so hg_sage.pull() will get you the
fixed version of gap.py.
William
On 10/21/07, Jaap Spies <[EMAIL PROTECTED]> wrote:
>
> William Stein wrote:
> > On 10/21/07, Jaap Spies <[EMAIL PROTECTED]> wrote:
>
> >> There seems to be some typos in the test of gap.py
> >
> > These are not typos. The behavior of gap-4.4.10 changed from that
> > of gap-4.4.9, and the doctests reflect that change. Evidently for
> > some reason your gap didn't get upgraded. Try
> >
> > sage: !gap
> >
>
> This is on a fresh install (but dito with the upgrade):
>
> GAP4, Version: 4.4.10 of 02-Oct-2007, i686-pc-linux-gnu-gcc
> gap>
>
> > to see what version of gap you now have.
> >
> > Also, you may need to do
> > sage: gap_reset_workspace()
>
> That does not help. Same test failures.
>
> Jaap
>
>
> >>
> >> [EMAIL PROTECTED] sage-2.8.8]$ ./sage -t
> >> devel/sage-main/sage/interfaces/gap.py
> >> sage -t devel/sage-main/sage/interfaces/gap.py
> >> **********************************************************************
> >> File "gap.py", line 69:
> >> sage: R = gap.PolynomialRing('Rationals', 2); R
> >> Expected:
> >> PolynomialRing(..., [ x, x_2 ])
> >> Got:
> >> PolynomialRing(..., [ x_1, x_2 ])
> >> **********************************************************************
> >> File "gap.py", line 71:
> >> sage: I = R.IndeterminatesOfPolynomialRing(); I
> >> Expected:
> >> [ x, x_2 ]
> >> Got:
> >> [ x_1, x_2 ]
> >> **********************************************************************
> >> File "gap.py", line 86:
> >> sage: f = gap(str(g)); f
> >> Expected:
> >> -x^5+x_2^2
> >> Got:
> >> -x_1^5+x_2^2
> >> **********************************************************************
> >> 1 items had failures:
> >> 3 of 22 in __main__.example_0
> >> ***Test Failed*** 3 failures.
> >> For whitespace errors, see the file .doctest_gap.py
> >> [2.4 s]
> >> exit code: 256
> >>
> >> ----------------------------------------------------------------------
> >> The following tests failed:
> >>
> >>
> >> sage -t devel/sage-main/sage/interfaces/gap.py
> >> Total time for all tests: 2.4 seconds
> >> [EMAIL PROTECTED] sage-2.8.8]$
> >>
> >>
> >
> >
>
>
> >
>
--
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org
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