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cardinality.cc

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Gabor Szokoli <szokoli@gecode.org>
00005  *     Guido Tack <tack@gecode.org>
00006  *     Christian Schulte <schulte@gecode.org>
00007  *
00008  *  Copyright:
00009  *     Gabor Szokoli, 2004
00010  *     Guido Tack, 2004
00011  *     Christian Schulte, 2004
00012  *
00013  *  Last modified:
00014  *     $Date: 2008-02-28 14:12:40 +0100 (Thu, 28 Feb 2008) $ by $Author: tack $
00015  *     $Revision: 6344 $
00016  *
00017  *  This file is part of Gecode, the generic constraint
00018  *  development environment:
00019  *     http://www.gecode.org
00020  *
00021  *  Permission is hereby granted, free of charge, to any person obtaining
00022  *  a copy of this software and associated documentation files (the
00023  *  "Software"), to deal in the Software without restriction, including
00024  *  without limitation the rights to use, copy, modify, merge, publish,
00025  *  distribute, sublicense, and/or sell copies of the Software, and to
00026  *  permit persons to whom the Software is furnished to do so, subject to
00027  *  the following conditions:
00028  *
00029  *  The above copyright notice and this permission notice shall be
00030  *  included in all copies or substantial portions of the Software.
00031  *
00032  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00033  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00034  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00035  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00036  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00037  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00038  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00039  *
00040  */
00041 
00042 #include "gecode/set.hh"
00043 #include "gecode/set/int.hh"
00044 
00045 namespace Gecode {
00046 
00047   void
00048   cardinality(Space* home, SetVar x, unsigned int i, unsigned int j) {
00049     Set::Limits::check(i, "Set::cardinality");
00050     Set::Limits::check(j, "Set::cardinality");
00051     if (home->failed()) return;
00052     Set::SetView _x(x);
00053     GECODE_ME_FAIL(home,_x.cardMin(home, i));
00054     GECODE_ME_FAIL(home,_x.cardMax(home, j));
00055   }
00056 
00057   void
00058   cardinality(Space* home, SetVar s, IntVar x) {
00059     if (home->failed()) return;
00060     GECODE_ES_FAIL(home,Set::Int::Card<Set::SetView>::post(home,s, x));
00061   }
00062 
00063 }
00064 
00065 // STATISTICS: set-post