61c0424eed
git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@512 331e1502-861f-0410-8da2-ba01fb791d7f
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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// "simulated_annealing.cpp"
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// (c) OPAC Team, LIFL, 2003-2006
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/* LICENCE TEXT
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Contact: paradiseo-help@lists.gforge.inria.fr
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*/
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#include <mo.h>
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#include <graph.h>
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#include <route.h>
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#include <route_eval.h>
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#include <route_init.h>
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#include <two_opt.h>
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#include <two_opt_rand.h>
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#include <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 : ./simulated_annealing [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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moExponentialCoolingSchedule cool_sched (0.1, 0.98) ; // Exponential Cooling Schedule
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//moLinearCoolingSchedule cool_sched (0.1, 0.5) ; // Linear Cooling Schedule
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moGenSolContinue <Route> cont (1000) ; /* Temperature Descreasing
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will occur each 1000
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iterations */
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moSA <TwoOpt> simulated_annealing (two_opt_rand, two_opt_incr_eval, cont, 1000, cool_sched, full_eval) ;
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simulated_annealing (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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