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[Octave-bug-tracker] [bug #62321] Wrong result for Airy function


From: Rik
Subject: [Octave-bug-tracker] [bug #62321] Wrong result for Airy function
Date: Mon, 18 Apr 2022 16:48:19 -0400 (EDT)

Follow-up Comment #26, bug #62321 (project octave):

Reviewing BIST tests in besselj.cc, I don't see that there are specific tests
for bug #48316 or for the specific bug report from the Octave Maintainer's
list in 2003


y = besseli (0,700)


I just tested the code above in both Octave and Matlab and the results agree
to the last decimal point so Matlab is presumably also using AMOS libraries
and scaling.

I also tried code that jwe had specified in 2003


x = 79.5:0.0001:80;
y = besseli (0, x);


I tried this in Octave and Matlab with and without the third additional
scaling parameter and results agree.

I added two more BIST tests in this changeset
http://hg.savannah.gnu.org/hgweb/octave/rev/e0aabe59c1aa.

Is there anything more to do on this bug report or can it be closed?



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