#region License Information /* HeuristicLab * Copyright (C) 2002-2018 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 System; using System.Collections.Generic; using HeuristicLab.Random; namespace HeuristicLab.Problems.Instances.DataAnalysis { public class KornsInstanceProvider : ArtificialRegressionInstanceProvider { public override string Name { get { return "Korns Benchmark Problems"; } } public override string Description { get { return ""; } } public override Uri WebLink { get { return new Uri("http://www.gpbenchmarks.org/wiki/index.php?title=Problem_Classification#Korns"); } } public override string ReferencePublication { get { return "McDermott et al., 2012 \"Genetic Programming Needs Better Benchmarks\", in Proc. of GECCO 2012."; } } public int Seed { get; private set; } public KornsInstanceProvider() : this((int)System.DateTime.Now.Ticks) { } public KornsInstanceProvider(int seed) : base() { Seed = seed; } public override IEnumerable GetDataDescriptors() { List descriptorList = new List(); var rand = new MersenneTwister((uint)Seed); descriptorList.Add(new KornsFunctionOne(rand.Next())); descriptorList.Add(new KornsFunctionTwo(rand.Next())); descriptorList.Add(new KornsFunctionThree(rand.Next())); descriptorList.Add(new KornsFunctionFour(rand.Next())); descriptorList.Add(new KornsFunctionFive(rand.Next())); descriptorList.Add(new KornsFunctionSix(rand.Next())); descriptorList.Add(new KornsFunctionSeven(rand.Next())); descriptorList.Add(new KornsFunctionEight(rand.Next())); descriptorList.Add(new KornsFunctionNine(rand.Next())); descriptorList.Add(new KornsFunctionTen(rand.Next())); descriptorList.Add(new KornsFunctionEleven(rand.Next())); descriptorList.Add(new KornsFunctionTwelve(rand.Next())); descriptorList.Add(new KornsFunctionThirteen(rand.Next())); descriptorList.Add(new KornsFunctionFourteen(rand.Next())); descriptorList.Add(new KornsFunctionFifteen(rand.Next())); return descriptorList; } } }