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

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legrand 2006-12-12 14:44:59 +00:00
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trunk/paradiseo-mo/examples/tsp/share/two_opt.cpp Executable file
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
// "two_opt.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 "two_opt.h"
TwoOpt TwoOpt :: operator ! () const {
TwoOpt move = * this ;
std :: swap (move.first, move.second) ;
return move ;
}
void TwoOpt :: operator () (Route & __route) {
std :: vector <unsigned> seq_cities ;
for (unsigned i = second ; i > first ; i --)
seq_cities.push_back (__route [i]) ;
unsigned j = 0 ;
for (unsigned i = first + 1 ; i < second + 1 ; i ++)
__route [i] = seq_cities [j ++] ;
}
void TwoOpt :: readFrom (std :: istream & __is) {
__is >> first >> second ;
}
void TwoOpt :: printOn (std :: ostream & __os) const {
__os << first << ' ' << second ;
}