Something went wrong. Try again.
This repository has no description
Something went wrong. Try again.
8.1 kB · 217 lines
C++
at develop
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main author: * Christian Schulte <schulte@gecode.org> * * Copyright: * Christian Schulte, 2012 * * 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 {
/** * \defgroup TaskBranchValSelCommit Generic value selection and value commit for brancher based on view and value selection * * \ingroup TaskBranchViewVal */ //@{ /// Base class for value selection and commit template<class View_, class Val_> class ValSelCommitBase { public: /// View type typedef View_ View; /// Corresponding variable type typedef typename View::VarType Var; /// Value type typedef Val_ Val; public: /// Constructor for initialization ValSelCommitBase(Space& home, const ValBranch<Var>& vb); /// Constructor for cloning ValSelCommitBase(Space& home, ValSelCommitBase<View,Val>& vsc); /// Return value of view \a x at position \a i virtual Val val(const Space& home, View x, int i) = 0; /// Commit view \a x at position \a i to value \a n for alternative \a a virtual ModEvent commit(Space& home, unsigned int a, View x, int i, Val n) = 0; /// Create no-good literal for choice \a c and alternative \a a virtual NGL* ngl(Space& home, unsigned int a, View x, Val n) const = 0; /// Print on \a o branch for alternative \a a, view \a x at position \a i, and value \a n virtual void print(const Space& home, unsigned int a, View x, int i, const Val& n, std::ostream& o) const = 0; /// Perform cloning virtual ValSelCommitBase<View,Val>* copy(Space& home) = 0; /// Whether dispose must always be called (that is, notice is needed) virtual bool notice(void) const = 0; /// Delete value selection virtual void dispose(Space& home) = 0; /// Unused destructor virtual ~ValSelCommitBase(void); /// \name Memory management //@{ /// Allocate memory from space static void* operator new(size_t s, Space& home); /// Return memory to space static void operator delete(void* p, Space& home); /// Needed for exceptions static void operator delete(void* p); //@} };
/// Class for value selection and commit template<class ValSel, class ValCommit> class ValSelCommit : public ValSelCommitBase<typename ValSel::View,typename ValSel::Val> { protected: typedef typename ValSelCommitBase<typename ValSel::View, typename ValSel::Val>::Var Var; typedef typename ValSelCommitBase<typename ValSel::View, typename ValSel::Val>::Val Val; typedef typename ValSelCommitBase<typename ValSel::View, typename ValSel::Val>::View View; /// The value selection object used ValSel s; /// The commit object used ValCommit c; public: /// Constructor for initialization ValSelCommit(Space& home, const ValBranch<Var>& vb); /// Constructor for cloning ValSelCommit(Space& home, ValSelCommit<ValSel,ValCommit>& vsc); /// Return value of view \a x at position \a i virtual Val val(const Space& home, View x, int i); /// Commit view \a x at position \a i to value \a n for alternative \a a virtual ModEvent commit(Space& home, unsigned int a, View x, int i, Val n); /// Create no-good literal for choice \a c and alternative \a a virtual NGL* ngl(Space& home, unsigned int a, View x, Val n) const; /// Print on \a o branch for alternative \a a, view \a x at position \a i, and value \a n virtual void print(const Space& home, unsigned int a, View x, int i, const Val& n, std::ostream& o) const; /// Perform cloning virtual ValSelCommit<ValSel,ValCommit>* copy(Space& home); /// Whether dispose must always be called (that is, notice is needed) virtual bool notice(void) const; /// Delete value selection virtual void dispose(Space& home); }; //@}
template<class View, class Val> forceinline ValSelCommitBase<View,Val>::ValSelCommitBase(Space&, const ValBranch<Var>&) {} template<class View, class Val> forceinline ValSelCommitBase<View,Val>:: ValSelCommitBase(Space&, ValSelCommitBase<View,Val>&) {} template<class View, class Val> ValSelCommitBase<View,Val>::~ValSelCommitBase(void) {}
template<class View, class Val> forceinline void ValSelCommitBase<View,Val>::operator delete(void*) {} template<class View, class Val> forceinline void ValSelCommitBase<View,Val>::operator delete(void*, Space&) {} template<class View, class Val> forceinline void* ValSelCommitBase<View,Val>::operator new(size_t s, Space& home) { return home.ralloc(s); }
template<class ValSel, class ValCommit> forceinline ValSelCommit<ValSel,ValCommit>::ValSelCommit(Space& home, const ValBranch<Var>& vb) : ValSelCommitBase<View,Val>(home,vb), s(home,vb), c(home,vb) {}
template<class ValSel, class ValCommit> forceinline ValSelCommit<ValSel,ValCommit>::ValSelCommit(Space& home, ValSelCommit<ValSel,ValCommit>& vsc) : ValSelCommitBase<View,Val>(home,vsc), s(home,vsc.s), c(home,vsc.c) {}
template<class ValSel, class ValCommit> typename ValSelCommit<ValSel,ValCommit>::Val ValSelCommit<ValSel,ValCommit>::val(const Space& home, View x, int i) { return s.val(home,x,i); }
template<class ValSel, class ValCommit> ModEvent ValSelCommit<ValSel,ValCommit>::commit(Space& home, unsigned int a, View x, int i, Val n) { return c.commit(home,a,x,i,n); }
template<class ValSel, class ValCommit> NGL* ValSelCommit<ValSel,ValCommit>::ngl(Space& home, unsigned int a, View x, Val n) const { return c.ngl(home, a, x, n); }
template<class ValSel, class ValCommit> void ValSelCommit<ValSel,ValCommit>::print(const Space& home, unsigned int a, View x, int i, const Val& n, std::ostream& o) const { c.print(home,a,x,i,n,o); }
template<class ValSel, class ValCommit> ValSelCommit<ValSel,ValCommit>* ValSelCommit<ValSel,ValCommit>::copy(Space& home) { return new (home) ValSelCommit<ValSel,ValCommit>(home,*this); }
template<class ValSel, class ValCommit> bool ValSelCommit<ValSel,ValCommit>::notice(void) const { return s.notice() || c.notice(); }
template<class ValSel, class ValCommit> void ValSelCommit<ValSel,ValCommit>::dispose(Space& home) { s.dispose(home); c.dispose(home); }
}
// STATISTICS: kernel-branch