#17468: Strange integration error/hang with log(abs(sin(x)))
-------------------------------------------------+-------------------------
Reporter: kcrisman | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.5
Component: calculus | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: Fixed upstream, but not in a | Work issues:
stable release. | Commit:
Branch: | Stopgaps:
Dependencies: |
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Comment (by pbruin):
For the first example, with Maxima 5.35.1 (see #17514), I get the
following error after a very long time (maybe 20 minutes):
{{{
sage: maxima_calculus('integrate(log(abs(2*sin(u))), u, 0, %pi/3)')
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
<ipython-input-1-48dbe48094c9> in <module>()
----> 1 maxima_calculus('integrate(log(abs(2*sin(u))), u, 0, %pi/3)')
/home/bruinpj/src/sage/local/lib/python2.7/site-
packages/sage/misc/lazy_import.so in
sage.misc.lazy_import.LazyImport.__call__
(build/cythonized/sage/misc/lazy_import.c:3230)()
/home/bruinpj/src/sage/local/lib/python2.7/site-
packages/sage/interfaces/interface.pyc in __call__(self, x, name)
197
198 if isinstance(x, basestring):
--> 199 return cls(self, x, name=name)
200 try:
201 return self._coerce_from_special_method(x)
/home/bruinpj/src/sage/local/lib/python2.7/site-
packages/sage/interfaces/interface.pyc in __init__(self, parent, value,
is_name, name)
624 self._name = parent._create(value, name=name)
625 except (TypeError, RuntimeError, ValueError) as x:
--> 626 raise TypeError(x)
627
628 def _latex_(self):
TypeError: ECL says: CALL-ARGUMENTS-LIMIT exceeded
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/17468#comment:5>
Sage <http://www.sagemath.org>
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