1 /*-----------------------------------------------------------------------------+
2 Interval Container Library
3 Author: Joachim Faulhaber
4 Copyright (c) 2007-2009: Joachim Faulhaber
5 Copyright (c) 1999-2006: Cortex Software GmbH, Kantstrasse 57, Berlin
6 +------------------------------------------------------------------------------+
7 Distributed under the Boost Software License, Version 1.0.
8 (See accompanying file LICENCE.txt or copy at
9 http://www.boost.org/LICENSE_1_0.txt)
10 +-----------------------------------------------------------------------------*/
11 /** Example interval_container.cpp \file interval_container.cpp
12
13 \brief Demonstrates basic characteristics of interval container objects.
14
15 \include interval_container_/interval_container.cpp
16 */
17 //[example_interval_container
18 #include <iostream>
19 #include <boost/icl/interval_set.hpp>
20 #include <boost/icl/separate_interval_set.hpp>
21 #include <boost/icl/split_interval_set.hpp>
22 #include <boost/icl/split_interval_map.hpp>
23 #include "../toytime.hpp"
24
25 using namespace std;
26 using namespace boost::icl;
27
interval_container_basics()28 void interval_container_basics()
29 {
30 interval<Time>::type night_and_day(Time(monday, 20,00), Time(tuesday, 20,00));
31 interval<Time>::type day_and_night(Time(tuesday, 7,00), Time(wednesday, 7,00));
32 interval<Time>::type next_morning(Time(wednesday, 7,00), Time(wednesday,10,00));
33 interval<Time>::type next_evening(Time(wednesday,18,00), Time(wednesday,21,00));
34
35 // An interval set of type interval_set joins intervals that that overlap or touch each other.
36 interval_set<Time> joinedTimes;
37 joinedTimes.insert(night_and_day);
38 joinedTimes.insert(day_and_night); //overlapping in 'day' [07:00, 20.00)
39 joinedTimes.insert(next_morning); //touching
40 joinedTimes.insert(next_evening); //disjoint
41
42 cout << "Joined times :" << joinedTimes << endl;
43
44 // A separate interval set of type separate_interval_set joins intervals that that
45 // overlap but it preserves interval borders that just touch each other. You may
46 // represent time grids like the months of a year as a split_interval_set.
47 separate_interval_set<Time> separateTimes;
48 separateTimes.insert(night_and_day);
49 separateTimes.insert(day_and_night); //overlapping in 'day' [07:00, 20.00)
50 separateTimes.insert(next_morning); //touching
51 separateTimes.insert(next_evening); //disjoint
52
53 cout << "Separate times:" << separateTimes << endl;
54
55 // A split interval set of type split_interval_set preserves all interval
56 // borders. On insertion of overlapping intervals the intervals in the
57 // set are split up at the interval borders of the inserted interval.
58 split_interval_set<Time> splitTimes;
59 splitTimes += night_and_day;
60 splitTimes += day_and_night; //overlapping in 'day' [07:00, 20:00)
61 splitTimes += next_morning; //touching
62 splitTimes += next_evening; //disjoint
63
64 cout << "Split times :\n" << splitTimes << endl;
65
66 // A split interval map splits up inserted intervals on overlap and aggregates the
67 // associated quantities via the operator +=
68 split_interval_map<Time, int> overlapCounter;
69 overlapCounter += make_pair(night_and_day,1);
70 overlapCounter += make_pair(day_and_night,1); //overlapping in 'day' [07:00, 20.00)
71 overlapCounter += make_pair(next_morning, 1); //touching
72 overlapCounter += make_pair(next_evening, 1); //disjoint
73
74 cout << "Split times overlap counted:\n" << overlapCounter << endl;
75
76 // An interval map joins touching intervals, if associated values are equal
77 interval_map<Time, int> joiningOverlapCounter;
78 joiningOverlapCounter = overlapCounter;
79 cout << "Times overlap counted:\n" << joiningOverlapCounter << endl;
80 }
81
main()82 int main()
83 {
84 cout << ">>Interval Container Library: Sample interval_container.cpp <<\n";
85 cout << "--------------------------------------------------------------\n";
86 interval_container_basics();
87 return 0;
88 }
89
90
91 // Program output:
92 /* ----------------------------------------------------------------------------
93 >>Interval Container Library: Sample interval_container.cpp <<
94 --------------------------------------------------------------
95 Joined times :[mon:20:00,wed:10:00)[wed:18:00,wed:21:00)
96 Separate times:[mon:20:00,wed:07:00)[wed:07:00,wed:10:00)[wed:18:00,wed:21:00)
97 Split times :
98 [mon:20:00,tue:07:00)[tue:07:00,tue:20:00)[tue:20:00,wed:07:00)
99 [wed:07:00,wed:10:00)[wed:18:00,wed:21:00)
100 Split times overlap counted:
101 {([mon:20:00,tue:07:00)->1)([tue:07:00,tue:20:00)->2)([tue:20:00,wed:07:00)->1)
102 ([wed:07:00,wed:10:00)->1)([wed:18:00,wed:21:00)->1)}
103 Times overlap counted:
104 {([mon:20:00,tue:07:00)->1)([tue:07:00,tue:20:00)->2)([tue:20:00,wed:10:00)->1)
105 ([wed:18:00,wed:21:00)->1)}
106 -----------------------------------------------------------------------------*/
107 //]
108