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C++
at develop
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109/* -*- 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 Value branching information * \ingroup TaskModelBranch */ template<class Var> class ValBranch { public: /// The corresponding branching value function typedef typename BranchTraits<Var>::Val BranchVal; /// The corresponding branching commit function typedef typename BranchTraits<Var>::Commit BranchCommit; protected: /// Random number generator Rnd r; /// Value function BranchVal vf; /// Commit function BranchCommit cf; public: /// Initialize ValBranch(void); /// Initialize with random number generator \a r ValBranch(Rnd r); /// Initialize with value function \a v and commit function \a c ValBranch(BranchVal v, BranchCommit c); /// Return random number generator Rnd rnd(void) const; /// Return value function BranchVal val(void) const; /// Return commit function BranchCommit commit(void) const; };
template<class Var> inline ValBranch<Var>::ValBranch(void) : vf(nullptr), cf(nullptr) {}
template<class Var> inline ValBranch<Var>::ValBranch(Rnd r0) : r(r0), vf(nullptr), cf(nullptr) { if (!r) throw UninitializedRnd("ValBranch::ValBranch"); }
template<class Var> inline ValBranch<Var>::ValBranch(BranchVal v, BranchCommit c) : vf(v), cf(c) {}
template<class Var> inline Rnd ValBranch<Var>::rnd(void) const { return r; }
template<class Var> inline typename ValBranch<Var>::BranchVal ValBranch<Var>::val(void) const { return vf; }
template<class Var> inline typename ValBranch<Var>::BranchCommit ValBranch<Var>::commit(void) const { return cf; }
}
// STATISTICS: kernel-branch