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[Octave-bug-tracker] [bug #55170] imagesc never ends on complex matrix d

From: Georg Wiora
Subject: [Octave-bug-tracker] [bug #55170] imagesc never ends on complex matrix display
Date: Thu, 6 Dec 2018 04:43:08 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:63.0) Gecko/20100101 Firefox/63.0


                 Summary: imagesc never ends on complex matrix display
                 Project: GNU Octave
            Submitted by: gwiora
            Submitted on: Thu 06 Dec 2018 10:43:05 AM CET
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Segfault, Bus Error, etc.
                  Status: None
             Assigned to: None
         Originator Name: gwiora
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.4.1
        Operating System: Microsoft Windows



When calling imagesc with a complex matrix the image is never displayed and
octave becomes unresponsive.

Test procedure:

a = zeros(3,3);
a(2,2) = 5;
a(1,1) = -1+3i;
figure('name','imagesc never ends');

This bug seems to have something in common with bug #36866 that existed in an
ancient version of.


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