values-ranges.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 Values {
template<class I>
class ToRanges : public Ranges::MinMax {
protected:
I i;
public:
ToRanges(void);
ToRanges(I& i);
void init(I& i);
void operator ++(void);
};
template<class I>
forceinline
ToRanges<I>::ToRanges(void) {}
template<class I>
forceinline void
ToRanges<I>::operator ++(void) {
if (!i()) {
finish(); return;
}
mi = i.val(); ma = i.val();
++i;
while (i() && (ma+1 >= i.val())) {
ma = i.val(); ++i;
}
}
template<class I>
forceinline
ToRanges<I>::ToRanges(I& i0)
: i(i0) {
operator ++();
}
template<class I>
forceinline void
ToRanges<I>::init(I& i0) {
i = i0;
operator ++();
}
}}}
// STATISTICS: iter-any
Gecode::Iter::Ranges::MinMax
Base for range iterators with explicit min and max.
Definition ranges-minmax.hpp:47
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::finish
void finish(void)
Set range such that iteration stops
Definition ranges-minmax.hpp:82
Gecode::Iter::Values::ToRanges::init
void init(I &i)
Initialize with value iterator i.
Definition values-ranges.hpp:94
Gecode::Iter::Values::ToRanges::operator++
void operator++(void)
Move iterator to next range (if possible).
Definition values-ranges.hpp:74
Gecode::Iter::Values::ToRanges::ToRanges
ToRanges(void)
Default constructor.
Definition values-ranges.hpp:70
Gecode::Iter::Values::ToRanges::i
I i
Value iterator used.
Definition values-ranges.hpp:49
Gecode::Iter::Values
Value iterators.
Definition iter.hh:45
Gecode::Iter
Range and value iterators.
Definition iter.hh:41
Gecode
Gecode toplevel namespace
forceinline
#define forceinline
Definition config.hpp:187