Update of the paradiseo-mo tree

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@427 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-mo/tutorial/Lesson3/src/simulated_annealing.cpp

@@ -0,0 +1,66 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+// "simulated_annealing.cpp"
+
+// (c) OPAC Team, LIFL, 2003-2006
+
+/* LICENCE TEXT
+
+   Contact:  paradiseo-help@lists.gforge.inria.fr
+*/
+
+#include <mo.h>
+
+#include <graph.h>
+#include <route.h>
+#include <route_eval.h>
+#include <route_init.h>
+
+#include <two_opt.h>
+#include <two_opt_rand.h>
+#include <two_opt_incr_eval.h>
+
+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 <Route> cont (1000) ; /* Temperature Descreasing
+					    will occur each 1000
+					    iterations */ 
+  
+  moSA <TwoOpt> 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 ;
+}
+