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ranges-minus.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 *
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7 * Christian Schulte, 2004
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33
34namespace Gecode { namespace Iter { namespace Ranges {
35
47 class Minus : public RangeListIter {
48 public:
50
51
52 Minus(void);
54 Minus(const Minus& m);
56 template<class I>
57 Minus(Region& r, I& i);
59 template<class I>
60 void init(Region& r, I& i);
62 Minus& operator =(const Minus& m);
64 };
65
66
68 Minus::Minus(void) {}
69
72 : RangeListIter(m) {}
73
74 template<class I>
75 void
78 RangeList* p = NULL;
79 for (; i(); ++i) {
80 RangeList* t = new (*rlio) RangeList;
81 t->next = p;
82 t->min = -i.max();
83 t->max = -i.min();
84 p = t;
85 }
87 }
88
89 template<class I>
92 init(r,i);
93 }
94
97 return static_cast<Minus&>(RangeListIter::operator =(m));
98 }
99
100}}}
101
102// STATISTICS: iter-any
103
Range iterator for pointwise minus of a range iterator.
Minus(void)
Default constructor.
Minus & operator=(const Minus &m)
Assignment operator (both iterators must be allocated from the same region)
void init(Region &r, I &i)
Initialize with ranges from i.
int min
Minimum and maximum of a range.
void init(Region &r)
Initialize.
RangeListIter(void)
Default constructor.
RangeListIter & operator=(const RangeListIter &i)
Assignment operator.
void set(RangeList *l)
Set range lists.
Handle to region.
Definition region.hpp:55
Range iterators.
Definition iter.hh:43
Range and value iterators.
Definition iter.hh:41
Gecode toplevel namespace
Post propagator for SetVar SetOpType SetVar SetRelType r
Definition set.hh:773
#define forceinline
Definition config.hpp:194