ranges-offset.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2004
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
namespace Gecode { namespace Iter { namespace Ranges {
template<class I>
class Offset {
protected:
I i;
int c;
public:
Offset(void);
Offset(I& i, int c);
void init(I& i, int c);
bool operator ()(void) const;
void operator ++(void);
int min(void) const;
int max(void) const;
unsigned int width(void) const;
};
template<class I>
forceinline
Offset<I>::Offset(void) {}
template<class I>
inline void
Offset<I>::init(I& i0, int c0) {
i = i0; c = c0;
}
template<class I>
inline
Offset<I>::Offset(I& i0, int c0) : i(i0), c(c0) {}
template<class I>
forceinline void
Offset<I>::operator ++(void) {
++i;
}
template<class I>
forceinline bool
Offset<I>::operator ()(void) const {
return i();
}
template<class I>
forceinline int
Offset<I>::min(void) const {
return i.min()+c;
}
template<class I>
forceinline int
Offset<I>::max(void) const {
return i.max()+c;
}
template<class I>
forceinline unsigned int
Offset<I>::width(void) const {
return i.width();
}
}}}
// STATISTICS: iter-any
Gecode::Iter::Ranges::Offset::i
I i
Input range.
Definition ranges-offset.hpp:45
Gecode::Iter::Ranges::Offset::max
int max(void) const
Return largest value of range.
Definition ranges-offset.hpp:111
Gecode::Iter::Ranges::Offset::operator()
bool operator()(void) const
Test whether iterator is still at a range or done.
Definition ranges-offset.hpp:100
Gecode::Iter::Ranges::Offset::c
int c
Offset for ranges.
Definition ranges-offset.hpp:47
Gecode::Iter::Ranges::Offset::width
unsigned int width(void) const
Return width of range (distance between minimum and maximum).
Definition ranges-offset.hpp:116
Gecode::Iter::Ranges::Offset::min
int min(void) const
Return smallest value of range.
Definition ranges-offset.hpp:106
Gecode::Iter::Ranges::Offset::init
void init(I &i, int c)
Initialize with ranges from i and offset c.
Definition ranges-offset.hpp:85
Gecode::Iter::Ranges::Offset::Offset
Offset(void)
Default constructor.
Definition ranges-offset.hpp:81
Gecode::Iter::Ranges::Offset::operator++
void operator++(void)
Move iterator to next range (if possible).
Definition ranges-offset.hpp:95
Gecode::Iter::Ranges
Range iterators.
Definition iter.hh:43
Gecode::Iter
Range and value iterators.
Definition iter.hh:41
Gecode
Gecode toplevel namespace
forceinline
#define forceinline
Definition config.hpp:187