#11143: define symbolic functions for exponential integrals
-------------------------------------------------------------+--------------
Reporter: kcrisman | Owner:
benjaminfjones
Type: defect | Status:
needs_work
Priority: major | Milestone:
sage-5.3
Component: symbolics | Resolution:
Keywords: ei Ei special function maxima sd32 sd40.5 | Work issues:
Report Upstream: N/A | Reviewers:
Burcin Erocal, Karl-Dieter Crisman, William Stein
Authors: Benjamin Jones, Volker Braun | Merged in:
Dependencies: #13109 | Stopgaps:
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Changes (by jdemeyer):
* status: positive_review => needs_work
Comment:
There is a trivial doctest failure on 32-bit i386 systems (possibly other
systems too):
{{{
sage -t --long -force_lib devel/sage/sage/functions/exp_integral.py
**********************************************************************
File
"/var/lib/buildbot/build/sage/arando-1/arando_full/build/sage-5.3.beta1/devel
/sage-main/sage/functions/exp_integral.py", line 1297:
sage: w = exponential_integral_1(2,4); w
Expected:
[0.04890051070806112, 0.0037793524098489067, 0.00036008245216265873,
3.7665622843924751e-05]
Got:
[0.04890051070806112, 0.0037793524098489067, 0.00036008245216265873,
3.766562284392475e-05]
**********************************************************************
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11143#comment:88>
Sage <http://www.sagemath.org>
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