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ranges-rangelist.hpp

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Guido Tack <tack@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Guido Tack, 2011
00008  *
00009  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  *  Permission is hereby granted, free of charge, to any person obtaining
00014  *  a copy of this software and associated documentation files (the
00015  *  "Software"), to deal in the Software without restriction, including
00016  *  without limitation the rights to use, copy, modify, merge, publish,
00017  *  distribute, sublicense, and/or sell copies of the Software, and to
00018  *  permit persons to whom the Software is furnished to do so, subject to
00019  *  the following conditions:
00020  *
00021  *  The above copyright notice and this permission notice shall be
00022  *  included in all copies or substantial portions of the Software.
00023  *
00024  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 namespace Gecode { namespace Iter { namespace Ranges {
00035 
00044   class RangeList  {
00045   protected:
00047     const Gecode::RangeList* c;
00048   public:
00050 
00051 
00052     RangeList(void);
00054     RangeList(const Gecode::RangeList* s);
00056     void init(const Gecode::RangeList* s);
00058 
00060 
00061 
00062     bool operator ()(void) const;
00064     void operator ++(void);
00066 
00068 
00069 
00070     int min(void) const;
00072     int max(void) const;
00074     unsigned int width(void) const;
00076   };
00077 
00078 
00079   forceinline
00080   RangeList::RangeList(void) {}
00081 
00082   forceinline
00083   RangeList::RangeList(const Gecode::RangeList* s) : c(s) {}
00084 
00085   forceinline void
00086   RangeList::init(const Gecode::RangeList* s) { c = s; }
00087 
00088   forceinline bool
00089   RangeList::operator ()(void) const { return c != NULL; }
00090 
00091   forceinline void
00092   RangeList::operator ++(void) {
00093     c = c->next();
00094   }
00095 
00096   forceinline int
00097   RangeList::min(void) const {
00098     return c->min();
00099   }
00100   forceinline int
00101   RangeList::max(void) const {
00102     return c->max();
00103   }
00104   forceinline unsigned int
00105   RangeList::width(void) const {
00106     return c->width();
00107   }
00108 
00109 }}}
00110 
00111 // STATISTICS: iter-any