source: src/Helpers/Range.hpp@ 23761b

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Last change on this file since 23761b was 23761b, checked in by Tillmann Crueger <crueger@…>, 14 years ago

Added a small struct that allows specifying arbitrary ranges
  • Property mode set to 100644
File size: 1.4 KB
Line 
1/*
2 * Range.hpp
3 *
4 * Created on: Jul 22, 2010
5 * Author: crueger
6 */
7
8#ifndef RANGE_HPP_
9#define RANGE_HPP_
10template <class T>
11struct range {
12 range(const T&,const T&);
13 bool isInRange(const T&) const;
14 bool isBefore(const T&) const;
15 bool isBeyond(const T&) const;
16
17 T first;
18 T last;
19};
20
21template <class T>
22range<T>::range(const T &_first,const T &_last) :
23first(_first),last(_last)
24{}
25
26template <class T>
27bool range<T>::isInRange(const T &value) const{
28 return first <= value && value < last;
29}
30
31template <class T>
32bool range<T>::isBefore(const T &value) const{
33 return value < first;
34}
35
36template <class T>
37bool range<T>::isBeyond(const T &value) const{
38 return last <= value;
39}
40
41template <class T>
42range<T> makeRange(const T&first, const T&last){
43 return range<T>(first,last);
44}
45
46template <class T>
47bool operator<(const range <T> &x, const range<T> &y){
48 return (x.first!=y.first)?x.first<y.first:x.last<y.last;
49}
50
51template <class T>
52bool operator==(const range<T> &x,const range<T> &y){
53 return x.first==y.first && x.last==y.last;
54}
55
56template <class T>
57bool operator!= (const range<T>& x, const range<T>& y) { return !(x==y); }
58template <class T>
59bool operator> (const range<T>& x, const range<T>& y) { return y<x; }
60template <class T>
61bool operator<=(const range<T>& x, const range<T>& y) { return !(y<x); }
62template <class T>
63bool operator>= (const range<T>& x, const range<T>& y) { return !(x<y); }
64
65
66#endif /* RANGE_HPP_ */
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