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MatrixProcessor.cs
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265 lines (218 loc) · 9.97 KB
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// Copyright 2007 Rory Plaire (codekaizen@gmail.com)
using System;
using System.Collections.Generic;
using NPack;
using NPack.Interfaces;
namespace SharpMap.Rendering
{
/// <summary>
/// Provides linear algebra processing methods
/// </summary>
sealed class MatrixProcessor
{
private static volatile MatrixProcessor _instance = null;
private static readonly Object _initSync = new Object();
private readonly IMatrixOperations<DoubleComponent, Vector<DoubleComponent>, Matrix<DoubleComponent>> _ops;
static MatrixProcessor() { }
private MatrixProcessor(IMatrixOperations<DoubleComponent, Vector<DoubleComponent>, Matrix<DoubleComponent>> ops)
{
_ops = ops;
}
/// <summary>
/// Gets the singleton instance of a MatrixProcessor.
/// </summary>
public static MatrixProcessor Instance
{
get
{
if (_instance == null)
{
lock (_initSync)
{
if (_instance == null)
{
// and this is where the configuration should go...
// but we hard code it for now.
LinearFactory<DoubleComponent> factory = new LinearFactory<DoubleComponent>();
IMatrixOperations<DoubleComponent, Vector<DoubleComponent>, Matrix<DoubleComponent>> ops
= new ClrMatrixOperations<DoubleComponent, Vector<DoubleComponent>, Matrix<DoubleComponent>>(factory);
_instance = new MatrixProcessor(ops);
}
}
}
return _instance;
}
}
/// <summary>
/// Gets the configured operations engine.
/// </summary>
public IMatrixOperations<DoubleComponent, Vector<DoubleComponent>, Matrix<DoubleComponent>> Operations
{
get { return _ops; }
}
public static IMatrix<DoubleComponent> Add(IMatrix<DoubleComponent> lhs, IMatrix<DoubleComponent> rhs)
{
return Instance.Operations.Add(lhs, rhs);
}
public static IVector<DoubleComponent> Add(IVector<DoubleComponent> lhs, IVector<DoubleComponent> rhs)
{
return Instance.Operations.Add(lhs, rhs);
}
public static IMatrix<DoubleComponent> Subtract(IMatrix<DoubleComponent> lhs, IMatrix<DoubleComponent> rhs)
{
return Instance.Operations.Subtract(lhs, rhs);
}
public static IVector<DoubleComponent> Subtract(IVector<DoubleComponent> lhs, IVector<DoubleComponent> rhs)
{
return Instance.Operations.Subtract(lhs, rhs);
}
public static IMatrix<DoubleComponent> Multiply(IMatrix<DoubleComponent> lhs, IMatrix<DoubleComponent> rhs)
{
return Instance.Operations.Multiply(lhs, rhs);
}
public static IVector<DoubleComponent> Multiply(IMatrix<DoubleComponent> multiplier, IVector<DoubleComponent> columnVector)
{
return Instance.Operations.Multiply(multiplier, columnVector);
}
public static IVector<DoubleComponent> Multiply(IVector<DoubleComponent> rowVector, IMatrix<DoubleComponent> multiplier)
{
return Instance.Operations.Multiply(rowVector, multiplier);
}
public static IEnumerable<IMatrix<DoubleComponent>> Multiply(IMatrix<DoubleComponent> lhs, IEnumerable<IMatrix<DoubleComponent>> rhs)
{
return Instance.Operations.Multiply(lhs, rhs);
}
public static IEnumerable<IMatrix<DoubleComponent>> Multiply(IEnumerable<IMatrix<DoubleComponent>> lhs, IMatrix<DoubleComponent> rhs)
{
return Instance.Operations.Multiply(lhs, rhs);
}
public static IEnumerable<IVector<DoubleComponent>> Multiply(IMatrix<DoubleComponent> multiplier, IEnumerable<IVector<DoubleComponent>> columnVectors)
{
return Instance.Operations.Multiply(multiplier, columnVectors);
}
public static IEnumerable<IVector<DoubleComponent>> Multiply(IEnumerable<IVector<DoubleComponent>> rowVectors, IMatrix<DoubleComponent> multiplier)
{
return Instance.Operations.Multiply(rowVectors, multiplier);
}
public static void Multiply(IMatrix<DoubleComponent> multiplier, IEnumerable<DoubleComponent[]> columnVectorsComponents)
{
Instance.Operations.Multiply(multiplier, columnVectorsComponents);
}
public static void Multiply(IEnumerable<DoubleComponent[]> rowVectorsComponents, IMatrix<DoubleComponent> multiplier)
{
Instance.Operations.Multiply(rowVectorsComponents, multiplier);
}
public static void Multiply(IMatrix<DoubleComponent> multiplier, DoubleComponent[] columnVector)
{
Instance.Operations.Multiply(multiplier, columnVector);
}
public static void Multiply(DoubleComponent[] rowVector, IMatrix<DoubleComponent> multiplier)
{
Instance.Operations.Multiply(rowVector, multiplier);
}
public static IMatrix<DoubleComponent> ScalarMultiply(IMatrix<DoubleComponent> matrix, DoubleComponent scalar)
{
return Instance.Operations.ScalarMultiply(matrix, scalar);
}
public static IMatrix<DoubleComponent> Invert(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.Invert(matrix);
}
public static IMatrix<DoubleComponent> Negate(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.Negate(matrix);
}
public static void Rotate(IMatrix<DoubleComponent> matrix,
IVector<DoubleComponent> axis,
Double radians)
{
Instance.Operations.Rotate(matrix, axis, radians);
}
public static void Scale(IMatrix<DoubleComponent> matrix,
IVector<DoubleComponent> scaleVector)
{
Instance.Operations.Scale(matrix, scaleVector);
}
public static void Shear(IMatrix<DoubleComponent> matrix,
IVector<DoubleComponent> shearVector)
{
Instance.Operations.Shear(matrix, shearVector);
}
public static void Translate(IMatrix<DoubleComponent> affineMatrix,
IVector<DoubleComponent> translateVector)
{
Instance.Operations.Translate(affineMatrix, translateVector);
}
public static Double FrobeniusNorm(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.FrobeniusNorm(matrix);
}
public static Double OneNorm(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.OneNorm(matrix);
}
public static Double TwoNorm(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.TwoNorm(matrix);
}
public static Double InfinityNorm(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.InfinityNorm(matrix);
}
public static Double Determinant(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.Determinant(matrix);
}
public static Int32 Rank(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.Rank(matrix);
}
public static Double Condition(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.FrobeniusNorm(matrix);
}
public static Double Trace(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.FrobeniusNorm(matrix);
}
public static IMatrix<DoubleComponent> Solve(IMatrix<DoubleComponent> a,
IMatrix<DoubleComponent> b)
{
return Instance.Operations.Solve(a, b);
}
public static IMatrix<DoubleComponent> SolveTranspose(IMatrix<DoubleComponent> a,
IMatrix<DoubleComponent> b)
{
return Instance.Operations.SolveTranspose(a, b);
}
public static IMatrix<DoubleComponent> Transpose(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.Transpose(matrix);
}
public static void SetMatrix(IMatrix<DoubleComponent> source,
IMatrix<DoubleComponent> target)
{
Instance.Operations.SetMatrix(source, target);
}
public static ILUDecomposition<DoubleComponent> GetLuDecomposition(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.GetLUDecomposition(matrix);
}
public static IQRDecomposition<DoubleComponent> GetQrDecomposition(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.GetQRDecomposition(matrix);
}
public static ICholeskyDecomposition<DoubleComponent> GetCholeskyDecomposition(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.GetCholeskyDecomposition(matrix);
}
public static ISingularValueDecomposition<DoubleComponent> GetSingularValueDecomposition(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.GetSingularValueDecomposition(matrix);
}
public static IEigenvalueDecomposition<DoubleComponent> GetEigenvalueDecomposition(IMatrix<DoubleComponent> matrix)
{
return Instance.Operations.GetEigenvalueDecomposition(matrix);
}
}
}