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var.icc

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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, 2008
00008  *
00009  *  Last modified:
00010  *     $Date: 2008-02-22 07:19:02 +0100 (Fri, 22 Feb 2008) $ by $Author: schulte $
00011  *     $Revision: 6276 $
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 {
00039 
00044   template <class VarImp>
00045   class VarBase {
00046   protected:
00048     VarImp* varimp;
00050     VarBase(void);
00052     VarBase(VarImp* x);
00054     VarBase(const Reflection::Var& x);
00055   public:
00057 
00058 
00059     VarImp* var(void) const;
00061     unsigned int degree(void) const;
00063   };
00064 
00065 
00070 
00071   template <class VarImp>
00072   bool same(const VarBase<VarImp>& x, const VarBase<VarImp>& y);
00074   template <class VarImp>
00075   bool before(const VarBase<VarImp>& x, const VarBase<VarImp>& y);
00077 
00078 
00079 
00080   /*
00081    * Variable: contains a pointer to a variable implementation
00082    *
00083    */
00084   template <class VarImp>
00085   forceinline
00086   VarBase<VarImp>::VarBase(void) {}
00087   template <class VarImp>
00088   forceinline
00089   VarBase<VarImp>::VarBase(VarImp* x)
00090     : varimp(x) {}
00091   template <class VarImp>
00092   forceinline
00093   VarBase<VarImp>::VarBase(const Reflection::Var& x)
00094     : varimp(x.var<VarImp>()) {}
00095   template <class VarImp>
00096   forceinline VarImp*
00097   VarBase<VarImp>::var(void) const {
00098     return varimp;
00099   }
00100   template <class VarImp>
00101   forceinline unsigned int
00102   VarBase<VarImp>::degree(void) const {
00103     return varimp->degree();
00104   }
00105 
00106 
00107   template <class VarImp>
00108   forceinline bool
00109   same(const VarBase<VarImp>& x, const VarBase<VarImp>& y) {
00110     return x.var() == y.var();
00111   }
00112   template <class VarImp>
00113   forceinline bool
00114   before(const VarBase<VarImp>& x, const VarBase<VarImp>& y) {
00115     return x.var() < y.var();
00116   }
00117 
00118 }
00119 
00120 // STATISTICS: kernel-other