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individual.h
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individual.h
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/* individual.h
*
* This file is part of EALib.
*
* Copyright 2012 David B. Knoester.
*
* 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. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _EA_ANALYSIS_MAX_FIT_INDIVIDUAL_H_
#define _EA_ANALYSIS_MAX_FIT_INDIVIDUAL_H_
#include <iostream>
#include <ea/meta_data.h>
#include <ea/analysis/tool.h>
namespace ea {
namespace analysis {
/*! Retest an individual.
*/
template <typename EA>
void test_individual(EA& ea) {
typename EA::individual_type indi=individual_load(get<ANALYSIS_INPUT>(ea), ea);
recalculate_fitness(indi,ea);
individual_save(datafile(get<ANALYSIS_OUTPUT>(ea)), indi, ea);
}
// LIBEA_ANALYSIS_TOOL(test_individual, "test an individual")
template <typename EA>
typename EA::individual_type& find_most_fit_individual(EA& ea) {
typename EA::population_type& pop = ea.population();
typename EA::population_type::iterator mi=pop.begin();
for(typename EA::population_type::iterator i=pop.begin(); i!=pop.end(); ++i) {
if(ind(i,ea).fitness() > ind(mi,ea).fitness()) {
mi = i;
}
}
return ind(mi,ea);
}
/*! Retrieve an individual with the greatest fitness.
*/
template <typename EA>
void most_fit_individual(EA& ea) {
individual_save(datafile(get<ANALYSIS_OUTPUT>(ea)), find_most_fit_individual(ea), ea);
}
// LIBEA_ANALYSIS_TOOL(most_fit_individual, "select an individual with maximal fitness")
} // analysis
} // ea
#endif