ranges-add.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, 2005
*
* 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.
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namespace Gecode { namespace Iter { namespace Ranges {
template<class I>
class AddRange : public MinMax {
protected:
I i;
int r_min;
int r_max;
public:
AddRange(void);
AddRange(I& i, int min, int max);
void init(I& i, int min, int max);
void operator ++(void);
};
template<class I>
class SubRange : public AddRange<I> {
public:
SubRange(void);
SubRange(I& i, int min, int max);
void init(I& i, int min, int max);
};
template<class I>
forceinline
AddRange<I>::AddRange(void) {}
template<class I>
forceinline void
AddRange<I>::operator ++(void) {
if (i()) {
mi = r_min + i.min();
ma = r_max + i.max();
++i;
while (i() && (ma+1 >= r_min+i.min())) {
ma = r_max + i.max(); ++i;
}
} else {
finish();
}
}
template<class I>
forceinline
AddRange<I>::AddRange(I& i0, int r_min0, int r_max0)
: i(i0), r_min(r_min0), r_max(r_max0) {
operator ++();
}
template<class I>
forceinline void
AddRange<I>::init(I& i0, int r_min0, int r_max0) {
i = i0; r_min = r_min0; r_max = r_max0;
operator ++();
}
template<class I>
forceinline
SubRange<I>::SubRange(void) {}
template<class I>
forceinline
SubRange<I>::SubRange(I& i, int r_min, int r_max)
: AddRange<I>(i,-r_max,-r_min) {}
template<class I>
forceinline void
SubRange<I>::init(I& i, int r_min, int r_max) {
AddRange<I>::init(i,-r_max,-r_min);
}
}}}
// STATISTICS: iter-any
Gecode::Iter::Ranges::AddRange::i
I i
Iterator to which the range is to be added.
Definition ranges-add.hpp:45
Gecode::Iter::Ranges::AddRange::r_max
int r_max
Maximum of range to be added.
Definition ranges-add.hpp:49
Gecode::Iter::Ranges::AddRange::AddRange
AddRange(void)
Default constructor.
Definition ranges-add.hpp:90
Gecode::Iter::Ranges::AddRange::r_min
int r_min
Minimum of range to be added.
Definition ranges-add.hpp:47
Gecode::Iter::Ranges::AddRange::operator++
void operator++(void)
Move iterator to next range (if possible).
Definition ranges-add.hpp:94
Gecode::Iter::Ranges::AddRange::init
void init(I &i, int min, int max)
Initialize with ranges i and range min to max.
Definition ranges-add.hpp:116
Gecode::Iter::Ranges::MinMax::ma
int ma
Maximum of current range.
Definition ranges-minmax.hpp:52
Gecode::Iter::Ranges::MinMax::mi
int mi
Minimum of current range.
Definition ranges-minmax.hpp:50
Gecode::Iter::Ranges::MinMax::min
int min(void) const
Return smallest value of range.
Definition ranges-minmax.hpp:99
Gecode::Iter::Ranges::MinMax::MinMax
MinMax(void)
Default constructor.
Definition ranges-minmax.hpp:87
Gecode::Iter::Ranges::MinMax::max
int max(void) const
Return largest value of range.
Definition ranges-minmax.hpp:103
Gecode::Iter::Ranges::MinMax::finish
void finish(void)
Set range such that iteration stops
Definition ranges-minmax.hpp:82
Gecode::Iter::Ranges::SubRange::SubRange
SubRange(void)
Default constructor.
Definition ranges-add.hpp:124
Gecode::Iter::Ranges::SubRange::init
void init(I &i, int min, int max)
Initialize with ranges i and range min to max.
Definition ranges-add.hpp:133
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