base.icc

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: 2008-01-29 13:37:51 +0100 (Tue, 29 Jan 2008) $ by $Author: tack $
00011  *     $Revision: 5993 $
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 Channel {
00039 
00040   template <class Info, PropCond pc>
00041   forceinline
00042   Base<Info,pc>::Base(Space* home, int n0, Info* xy0)
00043     : Propagator(home), n(n0), n_na(2*n), xy(xy0) {
00044     for (int i=2*n; i--; )
00045       xy[i].view.subscribe(home,this,pc);
00046   }
00047 
00048   template <class Info, PropCond pc>
00049   forceinline
00050   Base<Info,pc>::Base(Space* home, bool share, Base<Info,pc>& p)
00051     : Propagator(home,share,p), n(p.n), n_na(p.n_na),
00052       xy(Info::allocate(home,2*n)) {
00053     for (int i=2*n; i--; )
00054       xy[i].update(home,share,p.xy[i]);
00055   }
00056 
00057   template <class Info, PropCond pc>
00058   PropCost
00059   Base<Info,pc>::cost(ModEventDelta) const {
00060     return PC_QUADRATIC_LO;
00061   }
00062 
00063   template <class Info, PropCond pc>
00064   Reflection::ActorSpec
00065   Base<Info,pc>::spec(const Space* home, Reflection::VarMap& m,
00066                       const Support::Symbol& name) const {
00067     Reflection::ActorSpec s(name);
00068     for (int i=0; i<2*n; i++)
00069       s << xy[i].view.spec(home, m);
00070     return s;
00071   }
00072 
00073   template <class Info, PropCond pc>
00074   forceinline size_t
00075   Base<Info,pc>::dispose(Space* home) {
00076     if (!home->failed())
00077       for (int i=2*n; i--; )
00078         xy[i].view.cancel(home,this,pc);
00079     (void) Propagator::dispose(home);
00080     return sizeof(*this);
00081   }
00082 
00083 }}}
00084 
00085 // STATISTICS: int-prop
00086