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values-unique.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, 2007
8 *
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33
34namespace Gecode { namespace Iter { namespace Values {
35
45 template<class I>
46 class Unique {
47 protected:
49 I i;
50 public:
52
53
54 Unique(void);
56 Unique(I& i);
58 void init(I& i);
60
62
63
64 bool operator ()(void) const;
66 void operator ++(void);
68
70
71
72 int val(void) const;
74 };
75
76 template<class I>
79
80 template<class I>
83 : i(i0) {}
84
85 template<class I>
86 forceinline void
88 i = i0;
89 }
90
91 template<class I>
92 forceinline void
94 int n=i;
95 do {
96 ++i;
97 } while (i() && (i.val() == n));
98 }
99 template<class I>
100 forceinline bool
102 return i();
103 }
104
105 template<class I>
106 forceinline int
107 Unique<I>::val(void) const {
108 return i.val();
109 }
110
111}}}
112
113// STATISTICS: iter-any
114
void operator++(void)
Move iterator to next unique value (if possible)
bool operator()(void) const
Test whether iterator is still at a value or done.
Unique(void)
Default constructor.
int val(void) const
Return current value.
I i
Value iterator used.
void init(I &i)
Initialize with value iterator i.
Value iterators.
Definition iter.hh:45
Range and value iterators.
Definition iter.hh:41
Gecode toplevel namespace
#define forceinline
Definition config.hpp:194