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source: trunk/sources/HeuristicLab.GP.StructureIdentification/And.cs @ 1332

Last change on this file since 1332 was 656, checked in by gkronber, 16 years ago

merged changesets r644:647 and r651:655 from the GpPluginsRefactoringBranch back into the trunk (#177)

File size: 1.6 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
22using System;
23using System.Collections.Generic;
24using System.Linq;
25using System.Text;
26using HeuristicLab.Constraints;
27
28namespace HeuristicLab.GP.StructureIdentification {
29  public sealed class And : FunctionBase {
30    public override string Description {
31      get {
32        return @"Logical AND operation. Only defined for sub-tree-results 0.0 and 1.0.
33AND is a special form, sub-trees are evaluated from the first to the last. Evaluation is
34stopped as soon as one of the sub-trees evaluates to 0.0 (false).";
35      }
36    }
37
38    public And()
39      : base() {
40      AddConstraint(new NumberOfSubOperatorsConstraint(2, 3));
41      AddConstraint(new SubOperatorTypeConstraint(0));
42      AddConstraint(new SubOperatorTypeConstraint(1));
43      AddConstraint(new SubOperatorTypeConstraint(2));
44    }
45  }
46}
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