git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@34 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-mo/examples/tsp/share/route_init.cpp

@@ -0,0 +1,46 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+// "route_init.cpp"
+
+// (c) OPAC Team, LIFL, 2003
+
+/* This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+   
+   Contact: cahon@lifl.fr
+*/
+
+#include <utils/eoRNG.h>
+
+#include "route_init.h"
+#include "graph.h"
+
+void RouteInit :: operator () (Route & __route) {
+
+  // Init.
+  __route.clear () ;
+  for (unsigned i = 0 ; i < Graph :: size () ; i ++)
+    __route.push_back (i) ;
+  
+  // Swap. cities
+
+  for (unsigned i = 0 ; i < Graph :: size () ; i ++) {
+    //unsigned j = rng.random (Graph :: size ()) ;
+    
+    unsigned j = (unsigned) (Graph :: size () * (rand () / (RAND_MAX + 1.0))) ;
+    unsigned city = __route [i] ;
+    __route [i] = __route [j] ;
+    __route [j] = city ;
+  }   
+}