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source: branches/HeuristicLab.Crossovers/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Symbols/Defun.cs @ 7475

Last change on this file since 7475 was 7259, checked in by swagner, 13 years ago

Updated year of copyrights to 2012 (#1716)

File size: 2.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
25namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
26  /// <summary>
27  /// Symbol for function defining branches
28  /// </summary>
29  [StorableClass]
30  [Item(Defun.DefunName, Defun.DefunDescription)]
31  public sealed class Defun : Symbol, IReadOnlySymbol {
32    public const string DefunName = "Defun";
33    public const string DefunDescription = "Symbol that represents a function defining node.";
34    private const int minimumArity = 1;
35    private const int maximumArity = 1;
36
37    public override int MinimumArity {
38      get { return minimumArity; }
39    }
40    public override int MaximumArity {
41      get { return maximumArity; }
42    }
43
44    [StorableConstructor]
45    private Defun(bool deserializing) : base(deserializing) { }
46    private Defun(Defun original, Cloner cloner) : base(original, cloner) { }
47    public Defun() : base(Defun.DefunName, Defun.DefunDescription) { }
48
49    public override IDeepCloneable Clone(Cloner cloner) {
50      return new Defun(this, cloner);
51    }
52
53    public override ISymbolicExpressionTreeNode CreateTreeNode() {
54      return new DefunTreeNode(this);
55    }
56  }
57}
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