Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / ga-0.10.0 / __ga_crossoverfcn__.m

diff --git a/octave_packages/ga-0.10.0/__ga_crossoverfcn__.m b/octave_packages/ga-0.10.0/__ga_crossoverfcn__.m
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+## Copyright (C) 2008 Luca Favatella <slackydeb@gmail.com>
+##
+## 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 2 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; If not, see <http://www.gnu.org/licenses/>.
+
+## Author: Luca Favatella <slackydeb@gmail.com>
+## Version: 1.3.3
+
+function xoverKids = __ga_crossoverfcn__ (parents, options, nvars, FitnessFcn,
+                                          unused,
+                                          thisPopulation)
+
+  ## preconditions
+  nc_parents = columns (parents);
+  if (rem (nc_parents, 2) != 0)
+    error ("'parents' must have an even number of columns");
+  endif
+
+  xoverKids(1:(nc_parents / 2), 1:nvars) = options.CrossoverFcn \
+      (parents(1, 1:nc_parents), options, nvars, FitnessFcn,
+       unused,
+       thisPopulation(:, 1:nvars));
+endfunction
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