[645] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2008 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 System;
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| 23 | using System.Collections.Generic;
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| 24 | using System.Text;
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| 25 | using HeuristicLab.Core;
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[2675] | 26 | using System.Linq;
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[3223] | 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[3269] | 28 | using HeuristicLab.Data;
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| 29 | using HeuristicLab.Parameters;
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[645] | 30 |
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[3223] | 31 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
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| 32 | [StorableClass]
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| 33 | [Item("Symbol", "Represents a symbol in a symbolic function tree.")]
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[3294] | 34 | public abstract class Symbol : NamedItem {
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[3269] | 35 | #region Properties
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[3294] | 36 | private double initialFrequency;
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| 37 | public double InitialFrequency {
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| 38 | get { return initialFrequency; }
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[2202] | 39 | set {
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[3294] | 40 | if (value < 0.0) throw new ArgumentException("InitialFrequency must be positive");
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| 41 | initialFrequency = value;
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[645] | 42 | }
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| 43 | }
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[3269] | 44 | #endregion
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[645] | 45 |
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[3269] | 46 | protected Symbol()
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| 47 | : base() {
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[3294] | 48 | this.name = ItemName;
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| 49 | this.description = ItemDescription;
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| 50 | initialFrequency = 1.0;
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[645] | 51 | }
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| 52 |
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[3223] | 53 | public virtual SymbolicExpressionTreeNode CreateTreeNode() {
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| 54 | return new SymbolicExpressionTreeNode(this);
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[645] | 55 | }
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| 56 | }
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| 57 | }
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