#region License Information
/* HeuristicLab
* Copyright (C) 2002-2019 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.Encodings.RealVectorEncoding;
using HeuristicLab.Parameters;
using HEAL.Attic;
namespace HeuristicLab.Problems.TestFunctions {
[Item("RastriginAdditiveMoveEvaluator", "Class for evaluating an additive move on the Rastrigin function.")]
[StorableType("F4D22E9B-6D46-4F7A-AABA-A77048F879DB")]
public class RastriginAdditiveMoveEvaluator : AdditiveMoveEvaluator, IRastriginMoveEvaluator {
public override System.Type EvaluatorType {
get { return typeof(RastriginEvaluator); }
}
///
/// The parameter A is a parameter of the objective function y = Sum((x_i)^2 + A * (1 - Cos(2pi*x_i))). Default is A = 10.
///
public ValueParameter AParameter {
get { return (ValueParameter)Parameters["A"]; }
}
///
/// The parameter A is a parameter of the objective function y = Sum((x_i)^2 + A * (1 - Cos(2pi*x_i))). Default is A = 10.
///
public DoubleValue A {
get { return AParameter.Value; }
set { if (value != null) AParameter.Value = value; }
}
[StorableConstructor]
protected RastriginAdditiveMoveEvaluator(StorableConstructorFlag _) : base(_) { }
protected RastriginAdditiveMoveEvaluator(RastriginAdditiveMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
public RastriginAdditiveMoveEvaluator() {
Parameters.Add(new ValueParameter("A", "The parameter A is a parameter of the objective function y = Sum((x_i)^2 + A * (1 - Cos(2pi*x_i))). Default is A = 10.", new DoubleValue(10)));
}
public override IDeepCloneable Clone(Cloner cloner) {
return new RastriginAdditiveMoveEvaluator(this, cloner);
}
protected override double Evaluate(double quality, RealVector point, AdditiveMove move) {
RealVectorAdditiveMoveWrapper wrapper = new RealVectorAdditiveMoveWrapper(move, point);
return RastriginEvaluator.Apply(wrapper, A.Value);
}
}
}