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3.5 kB · 122 lines
C++
at develop
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Christian Schulte <schulte@gecode.org> * * Copyright: * Christian Schulte, 2008 * * This file is part of Gecode, the generic constraint * development environment: * http://www.gecode.org * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */
namespace Gecode {
/** * \brief Base class for variables * \ingroup TaskVarView */ class Var {};
/** * \brief Variables as interfaces to variable implementations * \ingroup TaskVarView */ template<class VarImp> class VarImpVar : public Var { protected: /// Pointer to variable implementation VarImp* x; /// Default constructor VarImpVar(void); /// Initialize with variable implementation \a y VarImpVar(VarImp* y); public: /// The variable implementation type corresponding to the variable typedef VarImp VarImpType; /// \name Generic variable information //@{ /// Return variable implementation of variable VarImp* varimp(void) const; /// Return degree (number of subscribed propagators and advisors) unsigned int degree(void) const; /// Return accumulated failure count double afc(void) const; //@}
/// \name Domain tests //@{ /// Test whether view is assigned bool assigned(void) const; //@}
/// \name Cloning //@{ /// Update this variable to be a clone of variable \a y void update(Space& home, VarImpVar<VarImp>& y); //@} };
/* * Variable: contains a pointer to a variable implementation * */ template<class VarImp> forceinline VarImpVar<VarImp>::VarImpVar(void) : x(nullptr) {} template<class VarImp> forceinline VarImpVar<VarImp>::VarImpVar(VarImp* y) : x(y) {} template<class VarImp> forceinline VarImp* VarImpVar<VarImp>::varimp(void) const { return x; } template<class VarImp> forceinline unsigned int VarImpVar<VarImp>::degree(void) const { return x->degree(); } template<class VarImp> forceinline double VarImpVar<VarImp>::afc(void) const { return x->afc(); } template<class VarImp> forceinline bool VarImpVar<VarImp>::assigned(void) const { return x->assigned(); } template<class VarImp> forceinline void VarImpVar<VarImp>::update(Space& home, VarImpVar<VarImp>& y) { x = y.x->copy(home); }
}
// STATISTICS: kernel-var