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[Octave-bug-tracker] [bug #51861] loglog() does not handle multiple nega


From: Markus Mützel
Subject: [Octave-bug-tracker] [bug #51861] loglog() does not handle multiple negative data properly
Date: Sun, 27 Aug 2017 04:22:05 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0

Follow-up Comment #4, bug #51861 (project octave):

This might be due to bug #43606. Plotting the 3 points intermittently sets the
xlim to [-1 -0] (invalid for a log axis). This messes up the axes to a state
from which it cannot recover. The following slightly reduced example also
triggers the bug for me:

>> loglog ([-1 0], 1)
error: out of memory or dimension too large for Octave's index type
error: called from
    __line__ at line 120 column 16
    line at line 56 column 8
    __plt__>__plt2vs__ at line 468 column 15
    __plt__>__plt2__ at line 246 column 14
    __plt__ at line 113 column 17
    loglog at line 60 column 10
error: set: "cameratarget" must be finite
>> get (gca, "xlim")
ans =
  -1  -0


I will try whether the patch in that bug report also prevents the issue here.

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