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source: branches/2943_MOBasicProblem_MOCMAES/HeuristicLab.Problems.TestFunctions.MultiObjective/3.3/Utilities.cs

Last change on this file was 16171, checked in by bwerth, 6 years ago

#2943 worked on MOBasicProblem - added Interfaces;reworked MOCalculators; several minor changes

File size: 1.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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
21using System;
22using System.Collections.Generic;
23using System.Linq;
24using HeuristicLab.Data;
25
26namespace HeuristicLab.Problems.TestFunctions.MultiObjective {
27  internal static class Utilities {
28    internal static DoubleMatrix ToMatrix(IEnumerable<double[]> source) {
29      try {
30        var firstDimension = source.Count();
31        var secondDimension = source.GroupBy(row => row.Length).Single().Key; // throws InvalidOperationException if source is not rectangular
32
33        var result = new DoubleMatrix(firstDimension, secondDimension);
34        var enumarator = source.GetEnumerator();
35        for (var i = 0; i < firstDimension && enumarator.MoveNext(); ++i)
36          for (var j = 0; j < secondDimension; ++j)
37            result[i, j] = enumarator.Current[j];
38        return result;
39      }
40      catch (InvalidOperationException) {
41        throw new InvalidOperationException("The given jagged array is not rectangular.");
42      }
43    }
44
45   
46  }
47}
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