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nicer with size_t for cycles, they can't be negative anyway
[germs.git] / src / genealgorithms.h
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  *
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12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
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19  ***************************************************************************/
20
21 #ifndef __GENEALGORITHMS_H__
22 #define __GENEALGORITHMS_H__
23
24 #include <vector>
25
26 class GeneOrder;
27
28 struct Component{
29         Component(int b,int e,int s):begin(b),end(e),sign(s){}
30         bool operator==(const Component& c){
31                 return begin == c.begin && end == c.end && sign == c.sign;
32         }
33         int begin;
34         int end;
35         int sign;
36 };
37 typedef std::pair<size_t,size_t> Interval;
38
39 /**
40  * Returns the length of the longest increasing sequence and the longest
41  * decreasing sequence.
42  */
43 std::pair<int,int> longestSequences(const GeneOrder& go);
44
45 /**
46  */
47 std::vector<std::vector<int> > robinsonSchensted(const GeneOrder& go);
48
49 /**
50  * Counts the number of cycles in the gene order.
51  */
52 size_t countCycles(const GeneOrder& go);
53
54 /**
55  * Finds the components in the gene order.
56  */
57 std::vector<Component> findComponents(const GeneOrder& go);
58
59 /**
60  * Find intervals.
61  */
62 std::vector<Interval> findIntervals(const GeneOrder& go);
63
64 /**
65  * Creates a list with the intervals at each point.
66  */
67 std::vector<Interval> findIntervalsAtPoints(const std::vector<Interval>& intervals);
68
69 #endif
70