[Octave-bug-tracker] [bug #41128] In fltk backend, subplot(M, N, n) does not work in condition 4<M.

[Daisuke TAKAGO]

URL:
  <http://savannah.gnu.org/bugs/?41128>

                 Summary: In fltk backend, subplot(M,N,n) does not work in
condition 4<M.
                 Project: GNU Octave
            Submitted by: takago
            Submitted on: 2014年01月07日 06時09分20秒
                Category: Plotting with OpenGL
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Daisuke TAKAGO
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.0
        Operating System: GNU/Linux

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Details:

I found subplot(M,N,n) does not work in condition 4<M.
I confirmed this problem in both version 3.7.7+ and 3.8.0.
(this occurs only on fltk backend)

# EXAMPLE(work well)
close all; M=1; N=1; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=2; N=1; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=3; N=1; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=4; N=1; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=4; N=2; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=4; N=3; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=4; N=4; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=4; N=5; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=4; N=6; for n=1:N*M;subplot(M,N,n); plot(1:100); end

# EXAMPLE(Not work well)
close all; M=5; N=1; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=6; N=1; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=7; N=1; for n=1:N*M;subplot(M,N,n); plot(1:100); end

# EXAMPLE(Not work well)
close all; M=5; N=1; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=5; N=2; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=5; N=3; for n=1:N*M;subplot(M,N,n); plot(1:100); end
close all; M=5; N=4; for n=1:N*M;subplot(M,N,n); plot(1:100); end





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