#region License Information /* HeuristicLab * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Data; using HeuristicLab.Operators; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Encodings.RealVectorEncoding { [Item("AdditiveMoveGenerator", "Base class for all additive move generators.")] [StorableClass] public abstract class AdditiveMoveGenerator : SingleSuccessorOperator, IRealVectorAdditiveMoveOperator, IMoveGenerator, IStochasticOperator { public override bool CanChangeName { get { return false; } } public ILookupParameter RandomParameter { get { return (ILookupParameter)Parameters["Random"]; } } public ILookupParameter RealVectorParameter { get { return (ILookupParameter)Parameters["RealVector"]; } } public ILookupParameter AdditiveMoveParameter { get { return (LookupParameter)Parameters["AdditiveMove"]; } } public IValueLookupParameter BoundsParameter { get { return (IValueLookupParameter)Parameters["Bounds"]; } } [StorableConstructor] protected AdditiveMoveGenerator(bool deserializing) : base(deserializing) { } protected AdditiveMoveGenerator(AdditiveMoveGenerator original, Cloner cloner) : base(original, cloner) { } public AdditiveMoveGenerator() : base() { Parameters.Add(new LookupParameter("Random", "The random number generator.")); Parameters.Add(new LookupParameter("RealVector", "The real vector for which moves should be generated.")); Parameters.Add(new LookupParameter("AdditiveMove", "The moves that should be generated in subscopes.")); Parameters.Add(new ValueLookupParameter("Bounds", "A 2 column matrix specifying the lower and upper bound for each dimension. If there are less rows than dimension the bounds vector is cycled.")); } public override IOperation Apply() { RealVector vector = RealVectorParameter.ActualValue; DoubleMatrix bounds = BoundsParameter.ActualValue; AdditiveMove[] moves = GenerateMoves(RandomParameter.ActualValue, vector, bounds); Scope[] moveScopes = new Scope[moves.Length]; for (int i = 0; i < moveScopes.Length; i++) { moveScopes[i] = new Scope(i.ToString()); moveScopes[i].Variables.Add(new Variable(AdditiveMoveParameter.ActualName, moves[i])); } ExecutionContext.Scope.SubScopes.AddRange(moveScopes); return base.Apply(); } protected abstract AdditiveMove[] GenerateMoves(IRandom random, RealVector realVector, DoubleMatrix bounds); } }