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distinct.hh

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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, 2004
00008  *
00009  *  Last modified:
00010  *     $Date: 2009-10-12 17:36:53 +0200 (Mon, 12 Oct 2009) $ by $Author: schulte $
00011  *     $Revision: 9878 $
00012  *
00013  *  This file is part of Gecode, the generic constraint
00014  *  development environment:
00015  *     http://www.gecode.org
00016  *
00017  *  Permission is hereby granted, free of charge, to any person obtaining
00018  *  a copy of this software and associated documentation files (the
00019  *  "Software"), to deal in the Software without restriction, including
00020  *  without limitation the rights to use, copy, modify, merge, publish,
00021  *  distribute, sublicense, and/or sell copies of the Software, and to
00022  *  permit persons to whom the Software is furnished to do so, subject to
00023  *  the following conditions:
00024  *
00025  *  The above copyright notice and this permission notice shall be
00026  *  included in all copies or substantial portions of the Software.
00027  *
00028  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00029  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00030  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00031  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00032  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00033  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00034  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00035  *
00036  */
00037 
00038 #ifndef __GECODE_SET_ATMOSTONE_HH__
00039 #define __GECODE_SET_ATMOSTONE_HH__
00040 
00041 #include <gecode/set.hh>
00042 
00043 namespace Gecode { namespace Set { namespace Distinct {
00044 
00056   class AtmostOne : public NaryPropagator<SetView, PC_SET_ANY> {
00057   protected:
00059     unsigned int c;
00061     AtmostOne(Space& home, bool share,AtmostOne& p);
00063     AtmostOne(Home home,ViewArray<SetView>&,unsigned int);
00064   public:
00066     GECODE_SET_EXPORT virtual Actor*      copy(Space& home, bool);
00068     GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00070     static ExecStatus post(Home home,ViewArray<SetView> x,unsigned int c);
00071   };
00072 
00073 }}}
00074 
00075 #include <gecode/set/distinct/atmostOne.hpp>
00076 
00077 #endif
00078 
00079 // STATISTICS: set-prop