source: trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Symbols/Subtraction.cs @ 2700

Last change on this file since 2700 was 2700, checked in by gkronber, 10 years ago

Renamed FunctionBase to Function and FunctionTreeBase to FunctionTree. #748 (FunctionLibraryView is empty).

File size: 1.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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
22
23namespace HeuristicLab.GP.StructureIdentification {
24  public sealed class Subtraction : Function {
25    public override string Description {
26      get {
27        return @"Subtracts the results of sub-tree 2..n from the result of the first sub-tree.
28    (- 3) => -3
29    (- 2 3) => -1
30    (- 3 4 5) => -6";
31      }
32    }
33
34    public Subtraction()
35      : base() {
36      MinSubTrees = 1;
37      MaxSubTrees = 3;
38    }
39
40    public override HeuristicLab.GP.Interfaces.IFunctionTree GetTreeNode() {
41      return new FunctionTreeBase(this);
42    }
43  }
44}
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