#region License Information
/* HeuristicLab
* Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using HeuristicLab.Data;
namespace HeuristicLab.Problems.TestFunctions.MultiObjective {
internal static class Utilities {
internal static DoubleMatrix ToMatrix(IEnumerable source) {
try {
var firstDimension = source.Count();
var secondDimension = source.GroupBy(row => row.Length).Single().Key; // throws InvalidOperationException if source is not rectangular
var result = new DoubleMatrix(firstDimension, secondDimension);
var enumarator = source.GetEnumerator();
for (var i = 0; i < firstDimension && enumarator.MoveNext(); ++i)
for (var j = 0; j < secondDimension; ++j)
result[i, j] = enumarator.Current[j];
return result;
}
catch (InvalidOperationException) {
throw new InvalidOperationException("The given jagged array is not rectangular.");
}
}
}
}