#region License Information /* HeuristicLab * Copyright (C) 2002-2016 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; namespace HeuristicLab.IGraph.Wrappers { public sealed class Matrix : IDisposable { igraph_matrix_t matrix; internal igraph_matrix_t NativeInstance { get { return matrix; } } public int Rows { get { return matrix.nrow; } } public int Columns { get { return matrix.ncol; } } public Matrix(int nrow, int ncol) { if (nrow < 0 || ncol < 0) throw new ArgumentException("Rows and Columns must be >= 0"); matrix = new igraph_matrix_t(); DllImporter.igraph_matrix_init(matrix, nrow, ncol); } public Matrix(Matrix other) { if (other == null) throw new ArgumentNullException("other"); matrix = new igraph_matrix_t(); DllImporter.igraph_matrix_copy(matrix, other.NativeInstance); } ~Matrix() { DllImporter.igraph_matrix_destroy(matrix); } public void Dispose() { if (matrix == null) return; DllImporter.igraph_matrix_destroy(matrix); matrix = null; GC.SuppressFinalize(this); } public double this[int row, int col] { get { if (row < 0 || row > Rows || col < 0 || col > Columns) throw new IndexOutOfRangeException("Trying to get cell(" + row + ";" + col + ") of matrix(" + Rows + ";" + Columns + ")."); return DllImporter.igraph_matrix_e(matrix, row, col); } set { if (row < 0 || row > Rows || col < 0 || col > Columns) throw new IndexOutOfRangeException("Trying to set cell(" + row + ";" + col + ") of matrix(" + Rows + ";" + Columns + ")."); DllImporter.igraph_matrix_set(matrix, row, col, value); } } public double[,] ToMatrix() { var result = new double[Rows, Columns]; for (var i = 0; i < Rows; i++) { for (var j = 0; j < Columns; j++) { result[i, j] = DllImporter.igraph_matrix_e(matrix, i, j); } } return result; } } }