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[Octave-bug-tracker] [bug #53612] gammainc fails one test with "upper" f

From: Michele Ginesi
Subject: [Octave-bug-tracker] [bug #53612] gammainc fails one test with "upper" flag and complex input
Date: Thu, 12 Apr 2018 03:47:52 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:59.0) Gecko/20100101 Firefox/59.0

Follow-up Comment #1, bug #53612 (project octave):

Dear Rik,

gammainc is quite inaccurate when x is a "large" negative and a is small.
Unfortunately I was not able to find an efficient numerical expansion for such
values. I put that test in the hope that someone will be able to fix it.


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