#4333: [with patch, needs review] bernoulli_python doesn't work, remove it
---------------------------+------------------------------------------------
Reporter: mhampton | Owner: mhampton
Type: defect | Status: new
Priority: major | Milestone: sage-3.2
Component: number theory | Resolution:
Keywords: bernoulli |
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Changes (by mhampton):
* summary: bernoulli_python doesn't work => [with patch, needs review]
bernoulli_python doesn't work, remove it
Comment:
The patch removes the file bernoulli.py entirely, since it is broken and
redundant, and removes the corresponding option from the bernoulli
function in rings/arith.py.
I also added some long tests. I noticed, but did not fix, a problem with
the GAP version of bernoulli, that affects computations of B_{2256} and
higher:
{{{
sage: bernoulli(2256, algorithm = 'gap')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/mh/sagetest-notebook/worksheets/admin/65/code/18.py", line
7, in <module>
bernoulli(_sage_const_2256 , algorithm = \u0027gap\u0027)
File "/Volumes/D/sage-3.1.3/local/lib/python2.5/site-
packages/SQLAlchemy-0.4.6-py2.5.egg/", line 1, in <module>
File "/Volumes/D/sage-3.1.3/local/lib/python2.5/site-
packages/sage/rings/arith.py", line 212, in bernoulli
return Rational(x)
File "rational.pyx", line 189, in sage.rings.rational.Rational.__init__
(sage/rings/rational.c:4035)
File "rational.pyx", line 284, in
sage.rings.rational.Rational.__set_value (sage/rings/rational.c:4742)
File "/Volumes/D/sage-3.1.3/local/lib/python2.5/site-
packages/sage/interfaces/expect.py", line 1533, in _rational_
return sage.rings.all.Rational(repr(self))
File "rational.pyx", line 189, in sage.rings.rational.Rational.__init__
(sage/rings/rational.c:4035)
File "rational.pyx", line 280, in
sage.rings.rational.Rational.__set_value (sage/rings/rational.c:4708)
TypeError: unable to convert <<an integer too large to be
printed>>/14828319870 to a rational
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4333#comment:2>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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