ParadisEO: two_opt_next.cpp Source File

00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
00002 
00003 // "two_opt_next.cpp"
00004 
00005 // (c) OPAC Team, LIFL, January 2006
00006 
00007 /* This library is free software; you can redistribute it and/or
00008    modify it under the terms of the GNU Lesser General Public
00009    License as published by the Free Software Foundation; either
00010    version 2 of the License, or (at your option) any later version.
00011    
00012    This library is distributed in the hope that it will be useful,
00013    but WITHOUT ANY WARRANTY; without even the implied warranty of
00014    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015    Lesser General Public License for more details.
00016    
00017    You should have received a copy of the GNU Lesser General Public
00018    License along with this library; if not, write to the Free Software
00019    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00020    
00021    Contact: cahon@lifl.fr
00022 */
00023 
00024 #include "two_opt_next.h"
00025 #include "node.h"
00026 
00027 bool TwoOptNext :: operator () (TwoOpt & __move, const Route & __route) {
00028 
00029   if (__move.first == numNodes - 1 && __move.second == numNodes - 1)
00030     return false;
00031   
00032   else {
00033     
00034     __move.second ++;
00035     if (__move.second == numNodes) {
00036       
00037       __move.first ++;
00038       __move.second = __move.first;
00039     }
00040     return true ;
00041   }
00042 }