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[Octave-bug-tracker] [bug #54550] inaccurate result of gammainc

From: Michele Ginesi
Subject: [Octave-bug-tracker] [bug #54550] inaccurate result of gammainc
Date: Mon, 27 Aug 2018 02:51:28 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:61.0) Gecko/20100101 Firefox/61.0

Follow-up Comment #3, bug #54550 (project octave):

Actually, the modification done by Marco solves also another problem: now it

octave-default:1> gammainc(1000,2)
ans = 0

with the modification

octave-cli:1> gammainc(1000,2)
ans =  1

which is correct... I don't remember why I put a < 5 in the first place, I
think it is actually a refuse from some test I did during GSoC...

I attach a modified version of the .diff of Marco, which add some tests for
these values and fixes a comment.

(file #44874)

Additional Item Attachment:

File name: gammainc.diff                  Size:1 KB


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