/* * * Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007 * (C) OPAC Team, LIFL, 2002-2007 * * Sébastien Cahon, Jean-Charles Boisson * * This software is governed by the CeCILL license under French law and * abiding by the rules of distribution of free software. You can use, * modify and/ or redistribute the software under the terms of the CeCILL * license as circulated by CEA, CNRS and INRIA at the following URL * "http://www.cecill.info". * * As a counterpart to the access to the source code and rights to copy, * modify and redistribute granted by the license, users are provided only * with a limited warranty and the software's author, the holder of the * economic rights, and the successive licensors have only limited liability. * * In this respect, the user's attention is drawn to the risks associated * with loading, using, modifying and/or developing or reproducing the * software by the user in light of its specific status of free software, * that may mean that it is complicated to manipulate, and that also * therefore means that it is reserved for developers and experienced * professionals having in-depth computer knowledge. Users are therefore * encouraged to load and test the software's suitability as regards their * requirements in conditions enabling the security of their systems and/or * data to be ensured and, more generally, to use and operate it in the * same conditions as regards security. * The fact that you are presently reading this means that you have had * knowledge of the CeCILL license and that you accept its terms. * * ParadisEO WebSite : http://paradiseo.gforge.inria.fr * Contact: paradiseo-help@lists.gforge.inria.fr * */ #include #include int main (int __argc, char * __argv []) { if (__argc != 2) { std :: cerr << "Usage : ./simulated_annealing [instance]" << std :: endl ; return 1 ; } Graph :: load (__argv [1]) ; // Instance Route route ; // Solution RouteInit init ; // Sol. Random Init. init (route) ; RouteEval full_eval ; // Full. Eval. full_eval (route) ; std :: cout << "[From] " << route << std :: endl ; /* Tools for an efficient (? :-)) local search ! */ TwoOptRand two_opt_rand ; // Route Random. Gen. TwoOptIncrEval two_opt_incr_eval ; // Eff. eval. TwoOpt move ; moExponentialCoolingSchedule cool_sched (0.1, 0.98) ; // Exponential Cooling Schedule //moLinearCoolingSchedule cool_sched (0.1, 0.5) ; // Linear Cooling Schedule moGenSolContinue cont (1000) ; /* Temperature Descreasing will occur each 1000 iterations */ moSA simulated_annealing (two_opt_rand, two_opt_incr_eval, cont, 1000, cool_sched, full_eval) ; simulated_annealing (route) ; std :: cout << "[To] " << route << std :: endl ; return 0 ; }