forked from tsai/mathnet-numerics
Christoph Ruegg
13 years ago
2 changed files with 236 additions and 198 deletions
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// <copyright file="Matrix.Arithmetic.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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//
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// Copyright (c) 2009-2013 Math.NET
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//
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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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//
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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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//
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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.Runtime.CompilerServices; |
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namespace MathNet.Numerics.LinearAlgebra.Generic |
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{ |
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/// <summary>
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/// Defines the base class for <c>Matrix</c> classes.
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/// </summary>
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public abstract partial class Matrix<T> |
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{ |
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/// <summary>
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/// Returns a <strong>Matrix</strong> containing the same values of <paramref name="rightSide"/>.
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/// </summary>
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/// <param name="rightSide">The matrix to get the values from.</param>
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/// <returns>A matrix containing a the same values as <paramref name="rightSide"/>.</returns>
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/// <exception cref="ArgumentNullException">If <paramref name="rightSide"/> is <see langword="null" />.</exception>
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public static Matrix<T> operator +(Matrix<T> rightSide) |
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{ |
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if (rightSide == null) |
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{ |
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throw new ArgumentNullException("rightSide"); |
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} |
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return rightSide.Clone(); |
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} |
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/// <summary>
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/// Negates each element of the matrix.
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/// </summary>
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/// <param name="rightSide">The matrix to negate.</param>
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/// <returns>A matrix containing the negated values.</returns>
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/// <exception cref="ArgumentNullException">If <paramref name="rightSide"/> is <see langword="null" />.</exception>
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public static Matrix<T> operator -(Matrix<T> rightSide) |
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{ |
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if (rightSide == null) |
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{ |
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throw new ArgumentNullException("rightSide"); |
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} |
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return rightSide.Negate(); |
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} |
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/// <summary>
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/// Adds two matrices together and returns the results.
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/// </summary>
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/// <remarks>This operator will allocate new memory for the result. It will
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/// choose the representation of either <paramref name="leftSide"/> or <paramref name="rightSide"/> depending on which
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/// is denser.</remarks>
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/// <param name="leftSide">The left matrix to add.</param>
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/// <param name="rightSide">The right matrix to add.</param>
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/// <returns>The result of the addition.</returns>
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/// <exception cref="ArgumentOutOfRangeException">If <paramref name="leftSide"/> and <paramref name="rightSide"/> don't have the same dimensions.</exception>
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/// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> or <paramref name="rightSide"/> is <see langword="null" />.</exception>
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public static Matrix<T> operator +(Matrix<T> leftSide, Matrix<T> rightSide) |
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{ |
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if (leftSide == null) |
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{ |
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throw new ArgumentNullException("leftSide"); |
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} |
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return leftSide.Add(rightSide); |
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} |
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/// <summary>
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/// Subtracts two matrices together and returns the results.
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/// </summary>
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/// <remarks>This operator will allocate new memory for the result. It will
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/// choose the representation of either <paramref name="leftSide"/> or <paramref name="rightSide"/> depending on which
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/// is denser.</remarks>
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/// <param name="leftSide">The left matrix to subtract.</param>
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/// <param name="rightSide">The right matrix to subtract.</param>
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/// <returns>The result of the addition.</returns>
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/// <exception cref="ArgumentOutOfRangeException">If <paramref name="leftSide"/> and <paramref name="rightSide"/> don't have the same dimensions.</exception>
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/// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> or <paramref name="rightSide"/> is <see langword="null" />.</exception>
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public static Matrix<T> operator -(Matrix<T> leftSide, Matrix<T> rightSide) |
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{ |
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if (leftSide == null) |
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{ |
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throw new ArgumentNullException("leftSide"); |
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} |
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return leftSide.Subtract(rightSide); |
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} |
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/// <summary>
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/// Multiplies a <strong>Matrix</strong> by a constant and returns the result.
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/// </summary>
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/// <param name="leftSide">The matrix to multiply.</param>
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/// <param name="rightSide">The constant to multiply the matrix by.</param>
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/// <returns>The result of the multiplication.</returns>
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/// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> is <see langword="null" />.</exception>
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public static Matrix<T> operator *(Matrix<T> leftSide, T rightSide) |
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{ |
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if (leftSide == null) |
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{ |
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throw new ArgumentNullException("leftSide"); |
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} |
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return leftSide.Multiply(rightSide); |
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} |
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/// <summary>
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/// Multiplies a <strong>Matrix</strong> by a constant and returns the result.
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/// </summary>
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/// <param name="leftSide">The matrix to multiply.</param>
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/// <param name="rightSide">The constant to multiply the matrix by.</param>
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/// <returns>The result of the multiplication.</returns>
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/// <exception cref="ArgumentNullException">If <paramref name="rightSide"/> is <see langword="null" />.</exception>
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public static Matrix<T> operator *(T leftSide, Matrix<T> rightSide) |
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{ |
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if (rightSide == null) |
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{ |
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throw new ArgumentNullException("rightSide"); |
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} |
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return rightSide.Multiply(leftSide); |
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} |
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/// <summary>
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/// Multiplies two matrices.
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/// </summary>
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/// <remarks>This operator will allocate new memory for the result. It will
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/// choose the representation of either <paramref name="leftSide"/> or <paramref name="rightSide"/> depending on which
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/// is denser.</remarks>
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/// <param name="leftSide">The left matrix to multiply.</param>
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/// <param name="rightSide">The right matrix to multiply.</param>
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/// <returns>The result of multiplication.</returns>
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/// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> or <paramref name="rightSide"/> is <see langword="null" />.</exception>
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/// <exception cref="ArgumentException">If the dimensions of <paramref name="leftSide"/> or <paramref name="rightSide"/> don't conform.</exception>
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public static Matrix<T> operator *(Matrix<T> leftSide, Matrix<T> rightSide) |
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{ |
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if (leftSide == null) |
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{ |
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throw new ArgumentNullException("leftSide"); |
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} |
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return leftSide.Multiply(rightSide); |
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} |
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/// <summary>
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/// Multiplies a <strong>Matrix</strong> and a Vector.
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/// </summary>
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/// <param name="leftSide">The matrix to multiply.</param>
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/// <param name="rightSide">The vector to multiply.</param>
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/// <returns>The result of multiplication.</returns>
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/// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> or <paramref name="rightSide"/> is <see langword="null" />.</exception>
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public static Vector<T> operator *(Matrix<T> leftSide, Vector<T> rightSide) |
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{ |
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if (leftSide == null) |
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{ |
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throw new ArgumentNullException("leftSide"); |
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} |
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return leftSide.Multiply(rightSide); |
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} |
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/// <summary>
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/// Multiplies a Vector and a <strong>Matrix</strong>.
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/// </summary>
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/// <param name="leftSide">The vector to multiply.</param>
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/// <param name="rightSide">The matrix to multiply.</param>
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/// <returns>The result of multiplication.</returns>
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/// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> or <paramref name="rightSide"/> is <see langword="null" />.</exception>
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public static Vector<T> operator *(Vector<T> leftSide, Matrix<T> rightSide) |
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{ |
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if (rightSide == null) |
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{ |
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throw new ArgumentNullException("rightSide"); |
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} |
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return rightSide.LeftMultiply(leftSide); |
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} |
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/// <summary>
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/// Multiplies a <strong>Matrix</strong> by a constant and returns the result.
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/// </summary>
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/// <param name="leftSide">The matrix to multiply.</param>
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/// <param name="rightSide">The constant to multiply the matrix by.</param>
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/// <returns>The result of the multiplication.</returns>
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/// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> is <see langword="null" />.</exception>
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public static Matrix<T> operator %(Matrix<T> leftSide, T rightSide) |
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{ |
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if (leftSide == null) |
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{ |
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throw new ArgumentNullException("leftSide"); |
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} |
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return leftSide.Modulus(rightSide); |
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} |
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[SpecialName] |
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public static Matrix<T> op_DotMultiply(Matrix<T> x, Matrix<T> y) |
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{ |
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return x.PointwiseMultiply(y); |
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} |
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[SpecialName] |
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public static Matrix<T> op_DotDivide(Matrix<T> x, Matrix<T> y) |
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{ |
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return x.PointwiseDivide(y); |
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} |
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} |
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} |
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