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__ga_crossoverfcn__.m

## 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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