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ranges-minmax.hpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  *
6  * Copyright:
7  * Christian Schulte, 2004
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9  * Last modified:
10  * $Date: 2008-12-06 02:43:57 +1100 (Sat, 06 Dec 2008) $ by $Author: schulte $
11  * $Revision: 7989 $
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37 
38 namespace Gecode { namespace Iter { namespace Ranges {
39 
51  class MinMax {
52  protected:
54  int mi;
56  int ma;
58  void finish(void);
59  public:
61 
62 
63  MinMax(void);
65  MinMax(int min, int max);
67 
69 
70 
71  bool operator ()(void) const;
73 
75 
76 
77  int min(void) const;
79  int max(void) const;
81  unsigned int width(void) const;
83  };
84 
85  forceinline void
87  mi = 1; ma = 0;
88  }
89 
91  MinMax::MinMax(void) {}
92 
95  : mi(min), ma(max) {}
96 
97  forceinline bool
98  MinMax::operator ()(void) const {
99  return mi <= ma;
100  }
101 
102  forceinline int
103  MinMax::min(void) const {
104  return mi;
105  }
106  forceinline int
107  MinMax::max(void) const {
108  return ma;
109  }
110  forceinline unsigned int
111  MinMax::width(void) const {
112  return static_cast<unsigned int>(ma-mi)+1;
113  }
114 
115 }}}
116 
117 // STATISTICS: iter-any
118