/usr/share/octave/packages/3.2/miscellaneous-1.0.11/gameoflife.m is in octave-miscellaneous 1.0.11-1.
This file is owned by root:root, with mode 0o644.
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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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | ## Copyright (C) 2010 VZLU Prague, a.s.
##
## This program 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 3 of the License, or
## (at your option) any later version.
##
## This program 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.
##
## You should have received a copy of the GNU General Public License
## along with this program; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn{Function File} {B =} gameoflife (A, ngen, delay)
## Runs the Conways' game of life from a given initial state for a given
## number of generations and visualizes the process.
## If ngen is infinity, the process is run as long as A changes.
## Delay sets the pause between two frames. If zero, visualization is not done.
## @end deftypefn
function B = gameoflife (A, ngen, delay = 0.2)
B = A != 0;
igen = 0;
CSI = char ([27, 91]);
oldpso = page_screen_output (delay != 0);
unwind_protect
if (delay > 0)
puts (["\n", CSI, "s"]);
printf ("generation 0\n");
colorboard (! B);
pause (delay);
endif
while (igen < ngen)
C = conv2 (B, ones (3), "same") - B;
B1 = C == 3 | (B & C == 2);
igen++;
if (isinf (ngen) && all ((B1 == B)(:)))
break;
endif
B = B1;
if (delay > 0)
puts (["\n", CSI, "u"]);
printf ("generation %d\n", igen);
colorboard (! B);
pause (delay);
endif
endwhile
unwind_protect_cleanup
page_screen_output (oldpso);
end_unwind_protect
endfunction
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