/usr/share/plplot_octave/support/__plt2mm__.m is in octave-plplot 5.9.9-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | ## Copyright (C) 1996 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
## Author: jwe
## Modified: jc
function __plt2mm__ (x, y, fmt)
if (nargin < 2 || nargin > 3)
msg = sprintf ("__plt2mm__ (x, y)\n");
msg = sprintf ("%s __plt2mm__ (x, y, fmt)", msg);
usage (msg);
elseif (nargin == 2)
fmt = "";
endif
[x_nr, x_nc] = size (x);
[y_nr, y_nc] = size (y);
## if (x_nr == y_nr && x_nc == y_nc)
if (x_nc > 0)
__pl_store(x, y, fmt);
else
error ("__plt2mm__: arguments must be a matrices");
endif
## else
## error ("__plt2mm__: matrix dimensions must match");
## endif
endfunction
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