79 lines
2.1 KiB
C++
Executable file
79 lines
2.1 KiB
C++
Executable file
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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// "simul_anneal.cpp"
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// (c) OPAC Team, LIFL, 2003
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/* This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: cahon@lifl.fr
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*/
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#include <moSA.h>
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#include <moEasyCoolSched.h>
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#include <moGenSolContinue.h>
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#include "share/graph.h"
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#include "share/route.h"
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#include "share/route_eval.h"
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#include "share/route_init.h"
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#include "share/two_opt.h"
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#include "share/two_opt_rand.h"
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#include "share/two_opt_incr_eval.h"
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int main (int __argc, char * __argv []) {
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if (__argc != 2) {
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std :: cerr << "Usage : ./simul_anneal [instance]" << std :: endl ;
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return 1 ;
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}
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Graph :: load (__argv [1]) ; // Instance
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Route route ; // Solution
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RouteInit init ; // Sol. Random Init.
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init (route) ;
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RouteEval full_eval ; // Full. Eval.
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full_eval (route) ;
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std :: cout << "[From] " << route << std :: endl ;
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/* Tools for an efficient (? :-))
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local search ! */
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TwoOptRand two_opt_rand ; // Route Random. Gen.
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TwoOptIncrEval two_opt_incr_eval ; // Eff. eval.
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TwoOpt move ;
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moEasyCoolSched cool_sched (0.1, 0.98) ; // Cooling Schedule
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moGenSolContinue <Route> cont (1000) ; /* Temperature Descreasing
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will occur each 100
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iterations */
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moSA <TwoOpt> simul_anneal (two_opt_rand, two_opt_incr_eval, cont, 1000, cool_sched, full_eval) ;
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simul_anneal (route) ;
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std :: cout << "[To] " << route << std :: endl ;
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return 0 ;
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}
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