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1 /***************************************************************************
2  *   Copyright (C) 2006 by Michael Andreen                                 *
3  *   andreen@student.chalmers.se                                           *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program; if not, write to the                         *
17  *   Free Software Foundation, Inc.,                                       *
18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA          *
19  ***************************************************************************/
20
21 #include "genesorter.h"
22
23 #include "geneorder.h"
24 #include "sortaction.h"
25 #include "reverseaction.h"
26
27 #include "genealgorithms.h"
28
29 #include <queue>
30 using namespace std;
31
32 GeneSorter::ActionList GeneSorter::sort(const GeneOrder& go){
33         ActionList al;
34         GeneOrder temp(go);
35         while(inversionDistance(go) > 0){
36                 ActionList safe = safeActions(go);
37                 if (safe.size() > 0){
38                         safe[0](temp);
39                         al.push_back(safe[0]);
40                 }else
41                         return ActionList(); //TODO: Need to handle hurdles.
42         }
43         return al;
44 }
45
46 GeneSorter::ActionList GeneSorter::safeActions(const GeneOrder& go){
47         if (countCycles(go) == go.size() - 1)
48                 return ActionList();
49         ActionList al;
50         //al.push_back(SortAction(new ReverseAction(2,3)));
51         return al;
52 }