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source: branches/HeuristicLab.Hive_Milestone3/sources/HeuristicLab.GP.StructureIdentification/3.3/Multiplication.cs @ 3155

Last change on this file since 3155 was 1529, checked in by gkronber, 16 years ago

Moved source files of plugins AdvancedOptimizationFrontEnd ... Grid into version-specific sub-folders. #576

File size: 1.7 KB
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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
22using System;
23using System.Collections.Generic;
24using System.Text;
25using HeuristicLab.Core;
26using System.Diagnostics;
27using HeuristicLab.Constraints;
28using System.Linq;
29using HeuristicLab.DataAnalysis;
30
31namespace HeuristicLab.GP.StructureIdentification {
32  public sealed class Multiplication : FunctionBase {
33    public override string Description {
34      get {
35        return @"Returns the product of the results of all sub-tree.
36  (* 3) => 3
37  (* 2 3) => 6
38  (* 3 4 5) => 60";
39      }
40    }
41
42    public Multiplication()
43      : base() {
44      // 2 - 3 seems like an reasonable defaut (used for +,-,*,/) (discussion with swinkler and maffenze)
45      AddConstraint(new NumberOfSubOperatorsConstraint(2, 3));
46      AddConstraint(new SubOperatorTypeConstraint(0));
47      AddConstraint(new SubOperatorTypeConstraint(1));
48      AddConstraint(new SubOperatorTypeConstraint(2));
49    }
50  }
51}
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