Marcus Cuda
14 years ago
7 changed files with 142 additions and 21 deletions
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// <copyright file="AssertHelpers.cs" company="Math.NET">
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// Math.NET Numerics, part of the Math.NET Project
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// http://numerics.mathdotnet.com
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// http://github.com/mathnet/mathnet-numerics
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// http://mathnetnumerics.codeplex.com
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// Copyright (c) 2009-2010 Math.NET
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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// </copyright>
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using System; |
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using System.Numerics; |
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using MathNet.Numerics.LinearAlgebra.Generic; |
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namespace MathNet.Numerics.UnitTests |
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{ |
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/// <summary>
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/// Matrix utility functions to simplify tests.
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/// </summary>
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static public class MatrixHelpers |
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{ |
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/// <summary>
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/// Forces a matrix elements to symmetric. Copies the lower triangle to the upper triangle.
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/// </summary>
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/// <typeparam name="T">The matrix type.</typeparam>
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/// <param name="matrix">The matrix to make symmetric.</param>
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static public void ForceSymmetric<T>(Matrix<T> matrix) where T : struct, IEquatable<T>, IFormattable |
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{ |
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if (matrix.RowCount != matrix.ColumnCount) |
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{ |
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throw new ArgumentException("matrix must be square.", "matrix"); |
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} |
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for (var row = 0; row < matrix.RowCount; row++) |
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{ |
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for (var column = 0; column < row; column++) |
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{ |
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matrix.At(column, row, matrix.At(row, column)); |
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} |
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} |
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} |
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/// <summary>
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/// Forces a matrix elements to conjugate symmetric. Copies the conjugate of the values
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/// from the lower triangle to the upper triangle.
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/// </summary>
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/// <param name="matrix">The matrix to make conjugate symmetric.</param>
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static public void ForceConjugateSymmetric(Matrix<Complex> matrix) |
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{ |
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if (matrix.RowCount != matrix.ColumnCount) |
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{ |
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throw new ArgumentException("matrix must be square.", "matrix"); |
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} |
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for (var row = 0; row < matrix.RowCount; row++) |
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{ |
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for (var column = 0; column < row; column++) |
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{ |
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matrix.At(column, row, matrix.At(row, column).Conjugate()); |
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} |
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} |
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} |
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/// <summary>
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/// Forces a matrix elements to conjugate symmetric. Copies the conjugate of the values
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/// from the lower triangle to the upper triangle.
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/// </summary>
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/// <param name="matrix">The matrix to make conjugate symmetric.</param>
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public static void ForceConjugateSymmetric(Matrix<Complex32> matrix) |
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{ |
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if (matrix.RowCount != matrix.ColumnCount) |
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{ |
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throw new ArgumentException("matrix must be square.", "matrix"); |
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} |
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for (var row = 0; row < matrix.RowCount; row++) |
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{ |
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for (var column = 0; column < row; column++) |
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{ |
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matrix.At(column, row, matrix.At(row, column).Conjugate()); |
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} |
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} |
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} |
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} |
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} |
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