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3.2 kB · 123 lines
C++
at develop
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124/* -*- 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 {
/** * \brief Range iterator for pointwise offset (by some constant) * * \ingroup FuncIterRanges */ template<class I> class Offset { protected: /// Input range I i; /// Offset for ranges int c; public: /// \name Constructors and initialization //@{ /// Default constructor Offset(void); /// Initialize with ranges from \a i and offset \a c Offset(I& i, int c); /// Initialize with ranges from \a i and offset \a c void init(I& i, int c); //@}
/// \name Iteration control //@{ /// Test whether iterator is still at a range or done bool operator ()(void) const; /// Move iterator to next range (if possible) void operator ++(void); //@}
/// \name Range access //@{ /// Return smallest value of range int min(void) const; /// Return largest value of range int max(void) const; /// Return width of range (distance between minimum and maximum) 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