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source: branches/HeuristicLab.Problems.GaussianProcessTuning/ILNumerics.2.14.4735.573/Functions/builtin/load.cs @ 9102

Last change on this file since 9102 was 9102, checked in by gkronber, 11 years ago

#1967: ILNumerics source for experimentation

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1///
2///    This file is part of ILNumerics Community Edition.
3///
4///    ILNumerics Community Edition - high performance computing for applications.
5///    Copyright (C) 2006 - 2012 Haymo Kutschbach, http://ilnumerics.net
6///
7///    ILNumerics Community Edition is free software: you can redistribute it and/or modify
8///    it under the terms of the GNU General Public License version 3 as published by
9///    the Free Software Foundation.
10///
11///    ILNumerics Community Edition is distributed in the hope that it will be useful,
12///    but WITHOUT ANY WARRANTY; without even the implied warranty of
13///    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14///    GNU General Public License for more details.
15///
16///    You should have received a copy of the GNU General Public License
17///    along with ILNumerics Community Edition. See the file License.txt in the root
18///    of your distribution package. If not, see <http://www.gnu.org/licenses/>.
19///
20///    In addition this software uses the following components and/or licenses:
21///
22///    =================================================================================
23///    The Open Toolkit Library License
24///   
25///    Copyright (c) 2006 - 2009 the Open Toolkit library.
26///   
27///    Permission is hereby granted, free of charge, to any person obtaining a copy
28///    of this software and associated documentation files (the "Software"), to deal
29///    in the Software without restriction, including without limitation the rights to
30///    use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
31///    the Software, and to permit persons to whom the Software is furnished to do
32///    so, subject to the following conditions:
33///
34///    The above copyright notice and this permission notice shall be included in all
35///    copies or substantial portions of the Software.
36///
37///    =================================================================================
38///   
39
40using System;
41using System.Collections.Generic;
42using System.Text;
43using ILNumerics.Storage;
44using ILNumerics.Misc;
45using ILNumerics.Exceptions;
46
47namespace ILNumerics  {
48    public partial class ILMath {
49
50        /// <summary>
51        /// Load single array from matfile file
52        /// </summary>
53        /// <typeparam name="T">Element type of the array to return</typeparam>
54        /// <param name="filename">Path of the matfile on disk</param>
55        /// <param name="arrayname">[Optional] name of the requested array in the matfile (default: empty string)</param>
56        /// <returns>The array requested</returns>
57        /// <remarks><para>If the matfile contains only one array, the <paramref name="arrayname"/> may
58        /// be ommited. The only array is returned than.</para></remarks>
59        public static ILRetArray<T> loadArray<T>(string filename, string arrayname = "") {
60            using (ILScope.Enter()) {
61                using (ILMatFile matfile = new ILMatFile(filename)) {
62                    if (String.IsNullOrEmpty(arrayname) && matfile.Count == 1) {
63                        return matfile.GetArray<T>(0);
64                    } else {
65                        return matfile.GetArray<T>(arrayname);
66                    }
67                }
68            }
69        }
70
71    }
72}
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