#12521: evaluate log gamma for complex input
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Reporter: kcrisman | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-5.0
Component: basic arithmetic | Keywords: lgamma log_gamma
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by zimmerma):
I cannot reproduce some examples from the description with Sage 4.8:
{{{
sage: from sage.misc.citation import get_systems
sage: get_systems('log_gamma(-21/10).n()')
['MPFR']
sage: log_gamma(CC(-2.1))
NaN
}}}
Do you use a different version? Did you apply some patches?
Paul
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12521#comment:1>
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