Jip J. Dekker
1d9faf38de
git-subtree-dir: software/gecode git-subtree-split: 313e87646da4fc2752a70e83df16d993121a8e40
103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2004
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace Gecode { namespace Iter { namespace Ranges {
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/**
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* \brief %Range iterator cache
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*
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* Allows to iterate the ranges as defined by the input iterator
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* several times provided the Cache is %reset by the reset member
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* function.
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*
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* \ingroup FuncIterRanges
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*/
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class Cache : public RangeListIter {
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public:
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/// \name Constructors and initialization
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//@{
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/// Default constructor
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Cache(void);
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/// Copy constructor
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Cache(const Cache& m);
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/// Initialize with ranges from \a i
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template<class I>
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Cache(Region& r, I& i);
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/// Initialize with ranges from \a i
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template<class I>
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void init(Region& r, I& i);
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/// Assignment operator (both caches must be allocated from the same region)
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Cache& operator =(const Cache& m);
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//@}
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};
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forceinline
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Cache::Cache(void) {}
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forceinline
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Cache::Cache(const Cache& m)
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: RangeListIter(m) {}
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template<class I>
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void
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Cache::init(Region& r, I& i) {
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RangeListIter::init(r);
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RangeList* h = nullptr;
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RangeList** p = &h;
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for (; i(); ++i) {
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RangeList* t = new (*rlio) RangeList;
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*p = t; p = &t->next;
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t->min = i.min();
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t->max = i.max();
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}
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*p = nullptr;
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RangeListIter::set(h);
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}
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template<class I>
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forceinline
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Cache::Cache(Region& r, I& i) {
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init(r,i);
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}
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forceinline Cache&
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Cache::operator =(const Cache& m) {
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return static_cast<Cache&>(RangeListIter::operator =(m));
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}
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}}}
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// STATISTICS: iter-any
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