[14244] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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[14234] | 21 |
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[14244] | 22 | using System;
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| 23 |
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| 24 | namespace HeuristicLab.IGraph.Wrappers {
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| 25 | public sealed class Matrix : IDisposable {
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[14234] | 26 | igraph_matrix_t matrix;
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| 27 | internal igraph_matrix_t NativeInstance { get { return matrix; } }
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| 28 | public int Rows { get { return matrix.nrow; } }
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| 29 | public int Columns { get { return matrix.ncol; } }
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| 30 |
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| 31 | public Matrix(int nrow, int ncol) {
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[14244] | 32 | if (nrow < 0 || ncol < 0) throw new ArgumentException("Rows and Columns must be >= 0");
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[14234] | 33 | matrix = new igraph_matrix_t();
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| 34 | DllImporter.igraph_matrix_init(matrix, nrow, ncol);
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| 35 | }
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[14244] | 36 | public Matrix(Matrix other) {
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| 37 | if (other == null) throw new ArgumentNullException("other");
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| 38 | matrix = new igraph_matrix_t();
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| 39 | DllImporter.igraph_matrix_copy(matrix, other.NativeInstance);
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| 40 | }
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[14234] | 41 | ~Matrix() {
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| 42 | DllImporter.igraph_matrix_destroy(matrix);
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| 43 | }
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| 44 |
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| 45 | public void Dispose() {
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| 46 | if (matrix == null) return;
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| 47 | DllImporter.igraph_matrix_destroy(matrix);
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| 48 | matrix = null;
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| 49 | GC.SuppressFinalize(this);
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| 50 | }
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| 51 |
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| 52 | public double this[int row, int col] {
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| 53 | get {
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| 54 | if (row < 0 || row > Rows || col < 0 || col > Columns) throw new IndexOutOfRangeException("Trying to get cell(" + row + ";" + col + ") of matrix(" + Rows + ";" + Columns + ").");
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| 55 | return DllImporter.igraph_matrix_e(matrix, row, col);
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| 56 | }
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| 57 | set {
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| 58 | if (row < 0 || row > Rows || col < 0 || col > Columns) throw new IndexOutOfRangeException("Trying to set cell(" + row + ";" + col + ") of matrix(" + Rows + ";" + Columns + ").");
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| 59 | DllImporter.igraph_matrix_set(matrix, row, col, value);
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| 60 | }
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| 61 | }
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| 62 |
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| 63 | public double[,] ToMatrix() {
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| 64 | var result = new double[Rows, Columns];
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| 65 | for (var i = 0; i < Rows; i++) {
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| 66 | for (var j = 0; j < Columns; j++) {
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| 67 | result[i, j] = DllImporter.igraph_matrix_e(matrix, i, j);
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| 68 | }
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| 69 | }
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| 70 | return result;
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| 71 | }
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| 72 | }
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| 73 | }
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