I assume you mean doctests in sage. If you're referring to a doctest
in SymPy, please point it out to us, as to our knowledge there are
none in the release.
And let us know if it's necessary to patch SymPy, so we can fix it upstream.
Oh, and I happen to know that Sage uses symbols(each_char=False)
somewhere in the code. each_char is now False by default, and there
is no need to set it to that. We originally removed this option, but
added it back in as a deprecated feature when I noticed that Sage uses
it. If you want each_char=True, you should replace it with separating
symbols by spaces or commas, like symbols('x y z'). And if you have
any bare symbols('xyz') in the code, with multiple characters and no
each_char, you will need to change that. Also, if you run with python
-Wd, you will see a DeprecationWarning for this.
Aaron Meurer
On Thu, Jun 30, 2011 at 4:12 PM, François
<[email protected]> wrote:
> I had a quick look at it. I think it goes down better than sympy-0.6.7,
> there are a few minor doctests to fix (some answers are now x+2 instead of
> 2+x) but some code in sage needs adjusting before we ship:
> File "/usr/share/sage/devel/sage-main/sage/calculus/test_sympy.py", line
> 294, in __main__.example_0
> Failed example:
> f = e.series(x, Integer(0), Integer(10)); f###line 111:_sage_ >>> f =
> e.series(x, 0, 10); f
> Exception raised:
> Traceback (most recent call last):
> File "/usr/bin/ncadoctest.py", line 1231, in run_one_test
> self.run_one_example(test, example, filename, compileflags)
> File "/usr/bin/sagedoctest.py", line 38, in run_one_example
> OrigDocTestRunner.run_one_example(self, test, example, filename,
> compileflags)
> File "/usr/bin/ncadoctest.py", line 1172, in run_one_example
> compileflags, 1) in test.globs
> File "<doctest __main__.example_0[43]>", line 1, in <module>
> f = e.series(x, Integer(0), Integer(10)); f###line 111:_sage_ >>>
> f = e.series(x, 0, 10); f
> File "/usr/lib64/python2.7/site-packages/sympy/core/expr.py", line
> 1517, in series
> if x0 in [S.Infinity, S.NegativeInfinity]:
> File "integer.pyx", line 850, in
> sage.rings.integer.Integer.__richcmp__ (sage/rings/integer.c:7498)
> File "element.pyx", line 832, in
> sage.structure.element.Element._richcmp (sage/structure/element.c:6598)
> File "coerce.pyx", line 889, in
> sage.structure.coerce.CoercionModel_cache_maps.canonical_coercion
> (sage/structure/coerce.c:8193)
> File "/usr/lib64/python2.7/site-packages/sympy/core/numbers.py", line
> 892, in _sage_
> return sage.Integer(self.p)/sage.Integer(self.q)
> File "element.pyx", line 1555, in
> sage.structure.element.RingElement.__div__ (sage/structure/element.c:12011)
> File "integer.pyx", line 1662, in sage.rings.integer.Integer._div_
> (sage/rings/integer.c:11470)
> File "integer_ring.pyx", line 286, in
> sage.rings.integer_ring.IntegerRing_class._div
> (sage/rings/integer_ring.c:5167)
> ZeroDivisionError: Rational division by zero
> That's the only major problem I detected.
> Francois
>
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