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int-base.hpp

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2006
00008  *
00009  *  Last modified:
00010  *     $Date: 2011-08-29 14:59:24 +0200 (Mon, 29 Aug 2011) $ by $Author: schulte $
00011  *     $Revision: 12359 $
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 namespace Gecode { namespace Int { namespace Count {
00039 
00040   template<class VX, class VY>
00041   forceinline
00042   IntBase<VX,VY>::IntBase(Home home,
00043                           ViewArray<VX>& x0, int n_s0, VY y0, int c0)
00044     : Propagator(home), x(x0), n_s(n_s0), y(y0), c(c0) {
00045     if (vtd(y) == VTD_INTSET)
00046       home.notice(*this,AP_DISPOSE);
00047     for (int i=n_s; i--; )
00048       x[i].subscribe(home,*this,PC_INT_DOM);
00049     subscribe(home,*this,y);
00050   }
00051 
00052   template<class VX, class VY>
00053   forceinline size_t
00054   IntBase<VX,VY>::dispose(Space& home) {
00055     if (vtd(y) == VTD_INTSET)
00056       home.ignore(*this,AP_DISPOSE);
00057     for (int i=n_s; i--; )
00058       x[i].cancel(home,*this,PC_INT_DOM);
00059     cancel(home,*this,y);
00060     (void) Propagator::dispose(home);
00061     return sizeof(*this);
00062   }
00063 
00064   template<class VX, class VY>
00065   forceinline
00066   IntBase<VX,VY>::IntBase(Space& home, bool share, IntBase<VX,VY>& p)
00067     : Propagator(home,share,p), n_s(p.n_s), c(p.c) {
00068     x.update(home,share,p.x);
00069     y.update(home,share,p.y);
00070   }
00071 
00072   template<class VX, class VY>
00073   PropCost
00074   IntBase<VX,VY>::cost(const Space&, const ModEventDelta&) const {
00075     return PropCost::linear(PropCost::LO,x.size());
00076   }
00077 
00078 }}}
00079 
00080 // STATISTICS: int-prop