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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2008 - Yann COLLETTE <yann.collette@renault.com>
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
function [Crossed_Indiv1, Crossed_Indiv2] = crossover_ga_default(Indiv1,Indiv2,param)
if ~isdef('param','local') then
param = [];
end
// We deal with some parameters to take into account the boundary of the domain and the neighborhood size
[Beta,err] = get_param(param,'beta',0);
[MinBounds,err] = get_param(param,'minbound',-2*ones(size(Indiv1,1),size(Indiv1,2)));
[MaxBounds,err] = get_param(param,'maxbound',2*ones(size(Indiv1,1),size(Indiv1,2)));
mix = (1 + 2*Beta)*rand(1,1) - Beta;
Crossed_Indiv1 = mix*Indiv1 + (1-mix)*Indiv2;
Crossed_Indiv2 = (1-mix)*Indiv1 + mix*Indiv2;
Crossed_Indiv1 = max(min(Crossed_Indiv1, MaxBounds),MinBounds);
Crossed_Indiv2 = max(min(Crossed_Indiv2, MaxBounds),MinBounds);
endfunction
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