1 | #region License Information |
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2 | /* HeuristicLab |
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3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL) |
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4 | * |
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5 | * This file is part of HeuristicLab. |
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6 | * |
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7 | * HeuristicLab is free software: you can redistribute it and/or modify |
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8 | * it under the terms of the GNU General Public License as published by |
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9 | * the Free Software Foundation, either version 3 of the License, or |
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10 | * (at your option) any later version. |
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11 | * |
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12 | * HeuristicLab is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>. |
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19 | */ |
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20 | #endregion |
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21 | |
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22 | using HeuristicLab.Common; |
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23 | using HeuristicLab.Core; |
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24 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding; |
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25 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; |
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26 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic { |
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27 | [StorableClass] |
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28 | [Item("Analytic Quotient", "The analytic quotient function aq(a,b) = a / sqrt(b²+1) can be used as an " + |
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29 | "alternative to protected division. See H. Drieberg and P. Rocket, The Use of an Analytic Quotient Operator" + |
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30 | " in Genetic Programming. IEEE Transactions on Evolutionary Computation, Vol. 17, No. 1, February 2013, pp. 146 -- 152")] |
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31 | public sealed class AnalyticQuotient : Symbol { |
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32 | private const int minimumArity = 2; |
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33 | private const int maximumArity = 2; |
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34 | |
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35 | public override int MinimumArity { |
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36 | get { return minimumArity; } |
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37 | } |
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38 | public override int MaximumArity { |
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39 | get { return maximumArity; } |
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40 | } |
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41 | |
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42 | [StorableConstructor] |
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43 | private AnalyticQuotient(bool deserializing) : base(deserializing) { } |
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44 | private AnalyticQuotient(AnalyticQuotient original, Cloner cloner) : base(original, cloner) { } |
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45 | public override IDeepCloneable Clone(Cloner cloner) { |
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46 | return new AnalyticQuotient(this, cloner); |
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47 | } |
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48 | public AnalyticQuotient() : base("AnalyticQuotient", "The analytic quotient function aq(a,b) = a / sqrt(b²+1) can be used as an " + |
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49 | "alternative to protected division. See H. Drieberg and P. Rocket, The Use of an Analytic Quotient Operator" + |
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50 | " in Genetic Programming. IEEE Transactions on Evolutionary Computation, Vol. 17, No. 1, February 2013, pp. 146 -- 152") { } |
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51 | } |
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52 | } |
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