ufkc7e3d
/
mathnet-numerics
forked from tsai/mathnet-numerics
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Add Unit tests for Comples version of Symmetric matrix and fix bugs 

Signed-off-by: Alexander Karatarakis <alex@karatarakis.com>
la-symmetric^2
Alexander Karatarakis 14 years ago
parent
38a8b1f01b
commit
e55400ef41
6 changed files with 555 additions and 1 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      src/Numerics/LinearAlgebra/Complex/SymmetricDenseMatrix.cs
  2. 18
      src/Numerics/LinearAlgebra/Complex/SymmetricMatrix.cs
  3. 217
      src/UnitTests/LinearAlgebraTests/Complex/SymmetricDenseMatrixTests.cs
  4. 192
      src/UnitTests/LinearAlgebraTests/Complex/SymmetricMatrixTests.Arithmetic.cs
  5. 124
      src/UnitTests/LinearAlgebraTests/Complex/SymmetricMatrixTests.cs
  6. 3
      src/UnitTests/UnitTests.csproj

2
src/Numerics/LinearAlgebra/Complex/SymmetricDenseMatrix.cs
View File

@ -233,7 +233,7 @@ namespace MathNet.Numerics.LinearAlgebra.Complex
var m = new SymmetricDenseMatrix(order);
for (var i = 0; i < order; i++)
{
m.At(i, i, 1.0);
m.At(i, i, Complex.One);
}
return m;

18
src/Numerics/LinearAlgebra/Complex/SymmetricMatrix.cs
View File

@ -107,6 +107,24 @@ namespace MathNet.Numerics.LinearAlgebra.Complex
return this.Clone();
}
/// <summary>
/// Returns the conjugate transpose of this matrix.
/// </summary>
/// <returns>The conjugate transpose of this matrix.</returns>
public override Matrix<Complex> ConjugateTranspose()
{
var ret = CreateMatrix(ColumnCount, RowCount);
for (var row = 0; row < RowCount; row++)
{
for (var column = row; column < ColumnCount; column++)
{
ret.At(row, column, At(column, row).Conjugate());
}
}
return ret;
}
/// <summary>
/// Adds another matrix to this matrix.
/// </summary>

217
src/UnitTests/LinearAlgebraTests/Complex/SymmetricDenseMatrixTests.cs
View File

@ -0,0 +1,217 @@
// <copyright file="SymmetricDenseMatrixTests.cs" company="Math.NET">
// Math.NET Numerics, part of the Math.NET Project
// http://numerics.mathdotnet.com
// http://github.com/mathnet/mathnet-numerics
// http://mathnetnumerics.codeplex.com
// Copyright (c) 2009-2010 Math.NET
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
// </copyright>
namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex
{
using System;
using System.Collections.Generic;
using System.Numerics;
using MathNet.Numerics.LinearAlgebra.Complex;
using NUnit.Framework;
/// <summary>
/// Symmetric Dense matrix tests.
/// </summary>
public class SymmetricDenseMatrixTests : SymmetricMatrixTests
{
/// <summary>
/// Creates a matrix for the given number of rows and columns.
/// </summary>
/// <param name="rows">
/// The number of rows.
/// </param>
/// <param name="columns">
/// The number of columns.
/// </param>
/// <returns>
/// A matrix with the given dimensions.
/// </returns>
protected override Matrix CreateMatrix(int rows, int columns)
{
return new DenseMatrix(rows, columns);
}
/// <summary>
/// Creates a matrix from a 2D array.
/// </summary>
/// <param name="data">
/// The 2D array to create this matrix from.
/// </param>
/// <returns>
/// A matrix with the given values.
/// </returns>
protected override Matrix CreateMatrix(Complex[,] data)
{
if (SymmetricMatrix.CheckIfSymmetric(data))
{
return new SymmetricDenseMatrix(data);
}
return new DenseMatrix(data);
}
/// <summary>
/// Creates a vector of the given size.
/// </summary>
/// <param name="size">
/// The size of the vector to create.
/// </param>
/// <returns>
/// The new vector.
/// </returns>
protected override Vector CreateVector(int size)
{
return new DenseVector(size);
}
/// <summary>
/// Creates a vector from an array.
/// </summary>
/// <param name="data">
/// The array to create this vector from.
/// </param>
/// <returns>
/// The new vector.
/// </returns>
protected override Vector CreateVector(Complex[] data)
{
return new DenseVector(data);
}
/// <summary>
/// Can create a matrix form array.
/// </summary>
[Test]
public void CanCreateMatrixFrom1DArray()
{
var testData = new Dictionary<string, Matrix>
{
{ "Singular3x3", new SymmetricDenseMatrix(3, new[] { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(0.0, 1), new Complex(3.0, 1), new Complex(0.0, 1), new Complex(0.0, 1) }) },
{ "Square3x3", new SymmetricDenseMatrix(3, new[] { new Complex(-1.1, 1), new Complex(2.0, 1), new Complex(1.1, 1), new Complex(3.0, 1), new Complex(0.0, 1), new Complex(6.6, 1) }) },
{ "Square4x4", new SymmetricDenseMatrix(4, new[] { new Complex(1.1, 1), new Complex(2.0, 1), new Complex(5.0, 1), new Complex(-3.0, 1), new Complex(-6.0, 1), new Complex(8.0, 1), new Complex(4.4, 1), new Complex(7.0, 1), new Complex(9.0, 1), new Complex(10.0, 1) }) },
{ "Singular4x4", new SymmetricDenseMatrix(4, new[] { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(5.0, 1), new Complex(0.0, 1), new Complex(0.0, 1), new Complex(0.0, 1), new Complex(4.0, 1), new Complex(7.0, 1), new Complex(0.0, 1), new Complex(10.0, 1) }) },
{ "Symmetric3x3", new SymmetricDenseMatrix(3, new[] { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(2.0, 1), new Complex(3.0, 1), new Complex(0.0, 1), new Complex(3.0, 1) }) },
{ "IndexTester4x4", new SymmetricDenseMatrix(4, new [] { new Complex(0, 1), new Complex(1, 1), new Complex(2, 1), new Complex(3, 1), new Complex(4, 1), new Complex(5, 1), new Complex(6, 1), new Complex(7, 1), new Complex(8, 1), new Complex(9, 1) }) }
};
foreach (var name in testData.Keys)
{
Assert.AreEqual(TestMatrices[name], testData[name]);
}
}
/// <summary>
/// Matrix from array is a reference.
/// </summary>
[Test]
public void MatrixFrom1DArrayIsReference()
{
var data = new Complex[] { new Complex(1, 1), new Complex(1, 1), new Complex(1, 1), new Complex(1, 1), new Complex(1, 1), new Complex(1, 1) };
var matrix = new SymmetricDenseMatrix(3, data);
matrix[0, 0] = new Complex(10.0, 2);
Assert.AreEqual(new Complex(10.0, 2), data[0]);
}
/// <summary>
/// Can create a matrix form array.
/// </summary>
[Test]
public void CanCreateMatrixFrom2DArray()
{
var testData = new Dictionary<string, Matrix>
{
{ "Singular3x3", new SymmetricDenseMatrix(new[,] { { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(3.0, 1) }, { new Complex(2.0, 1), new Complex(0.0, 1), new Complex(0.0, 1) }, { new Complex(3.0, 1), new Complex(0.0, 1), new Complex(0.0, 1) } }) },
{ "Square3x3", new SymmetricDenseMatrix(new[,] { { new Complex(-1.1, 1), new Complex(2.0, 1), new Complex(3.0, 1) }, { new Complex(2.0, 1), new Complex(1.1, 1), new Complex(0.0, 1) }, { new Complex(3.0, 1), new Complex(0.0, 1), new Complex(6.6, 1) } }) },
{ "Square4x4", new SymmetricDenseMatrix(new[,] { { new Complex(1.1, 1), new Complex(2.0, 1), new Complex(-3.0, 1), new Complex(4.4, 1) }, { new Complex(2.0, 1), new Complex(5.0, 1), new Complex(-6.0, 1), new Complex(7.0, 1) }, { new Complex(-3.0, 1), new Complex(-6.0, 1), new Complex(8.0, 1), new Complex(9.0, 1) }, { new Complex(4.4, 1), new Complex(7.0, 1), new Complex(9.0, 1), new Complex(10.0, 1) } }) },
{ "Singular4x4", new SymmetricDenseMatrix(new[,] { { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(0.0, 1), new Complex(4.0, 1) }, { new Complex(2.0, 1), new Complex(5.0, 1), new Complex(0.0, 1), new Complex(7.0, 1) }, { new Complex(0.0, 1), new Complex(0.0, 1), new Complex(0.0, 1), new Complex(0.0, 1) }, { new Complex(4.0, 1), new Complex(7.0, 1), new Complex(0.0, 1), new Complex(10.0, 1) } }) },
{ "Symmetric3x3", new SymmetricDenseMatrix(new[,] { { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(3.0, 1) }, { new Complex(2.0, 1), new Complex(2.0, 1), new Complex(0.0, 1) }, { new Complex(3.0, 1), new Complex(0.0, 1), new Complex(3.0, 1) } }) },
{ "IndexTester4x4", new SymmetricDenseMatrix(new [,] { { new Complex(0, 1), new Complex(1, 1), new Complex(3, 1), new Complex(6, 1) }, { new Complex(1, 1), new Complex(2, 1), new Complex(4, 1), new Complex(7, 1) }, { new Complex(3, 1), new Complex(4, 1), new Complex(5, 1), new Complex(8, 1) }, { new Complex(6, 1), new Complex(7, 1), new Complex(8, 1), new Complex(9, 1) } }) }
};
foreach (var name in testData.Keys)
{
Assert.AreEqual(TestMatrices[name], testData[name]);
}
}
/// <summary>
/// Matrix from two-dimensional array is a copy.
/// </summary>
[Test]
public void MatrixFrom2DArrayIsCopy()
{
var matrix = new DenseMatrix(TestData2D["Singular3x3"]);
matrix[0, 0] = new Complex(10.0, 2);
Assert.AreEqual(new Complex(1.0, 1), TestData2D["Singular3x3"][0, 0]);
}
/// <summary>
/// Can create a matrix with uniform values.
/// </summary>
[Test]
public void CanCreateMatrixWithUniformValues()
{
var matrix = new SymmetricDenseMatrix(10, new Complex(10.0, 2));
var value = new Complex(10.0, 2);
for (var i = 0; i < matrix.RowCount; i++)
{
for (var j = 0; j < matrix.ColumnCount; j++)
{
Assert.AreEqual(matrix[i, j], value);
}
}
}
/// <summary>
/// Can create an identity matrix.
/// </summary>
[Test]
public void CanCreateIdentity()
{
var matrix = SymmetricDenseMatrix.Identity(5);
for (var i = 0; i < matrix.RowCount; i++)
{
for (var j = 0; j < matrix.ColumnCount; j++)
{
Assert.AreEqual(i == j ? Complex.One : Complex.Zero, matrix[i, j]);
}
}
}
/// <summary>
/// Identity with wrong order throws <c>ArgumentOutOfRangeException</c>.
/// </summary>
/// <param name="order">The size of the square matrix</param>
[TestCase(0)]
[TestCase(-1)]
public void IdentityWithWrongOrderThrowsArgumentOutOfRangeException(int order)
{
Assert.Throws<ArgumentOutOfRangeException>(() => SymmetricDenseMatrix.Identity(order));
}
}
}

192
src/UnitTests/LinearAlgebraTests/Complex/SymmetricMatrixTests.Arithmetic.cs
View File

@ -0,0 +1,192 @@
// <copyright file="SymmetricMatrixTests.Arithmetic.cs" company="Math.NET">
// Math.NET Numerics, part of the Math.NET Project
// http://numerics.mathdotnet.com
// http://github.com/mathnet/mathnet-numerics
// http://mathnetnumerics.codeplex.com
// Copyright (c) 2009-2010 Math.NET
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
// </copyright>
namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex
{
using System.Collections.Generic;
using LinearAlgebra.Complex;
using NUnit.Framework;
using System.Numerics;
/// <summary>
/// Abstract class with the common set of matrix tests for symmetric matrices
/// </summary>
public abstract partial class SymmetricMatrixTests
{
/// <summary>
/// Setup test matrices.
/// Singular and Square matrices are overridden here with symmetric ones so that calls to base methods work as intended.
/// Additional NonSymmetric matrices are defined for some tests.
/// </summary>
[SetUp]
public override void SetupMatrices()
{
TestData2D = new Dictionary<string, Complex[,]>
{
{ "Singular3x3", new[,] { { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(3.0, 1) }, { new Complex(2.0, 1), new Complex(0.0, 1), new Complex(0.0, 1) }, { new Complex(3.0, 1), new Complex(0.0, 1), new Complex(0.0, 1) } } },
{ "Square3x3", new[,] { { new Complex(-1.1, 1), new Complex(2.0, 1), new Complex(3.0, 1) }, { new Complex(2.0, 1), new Complex(1.1, 1), new Complex(0.0, 1) }, { new Complex(3.0, 1), new Complex(0.0, 1), new Complex(6.6, 1) } } },
{ "Square4x4", new[,] { { new Complex(1.1, 1), new Complex(2.0, 1), new Complex(-3.0, 1), new Complex(4.4, 1) }, { new Complex(2.0, 1), new Complex(5.0, 1), new Complex(-6.0, 1), new Complex(7.0, 1) }, { new Complex(-3.0, 1), new Complex(-6.0, 1), new Complex(8.0, 1), new Complex(9.0, 1) }, { new Complex(4.4, 1), new Complex(7.0, 1), new Complex(9.0, 1), new Complex(10.0, 1) } } },
{ "Singular4x4", new[,] { { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(0.0, 1), new Complex(4.0, 1) }, { new Complex(2.0, 1), new Complex(5.0, 1), new Complex(0.0, 1), new Complex(7.0, 1) }, { new Complex(0.0, 1), new Complex(0.0, 1), new Complex(0.0, 1), new Complex(0.0, 1) }, { new Complex(4.0, 1), new Complex(7.0, 1), new Complex(0.0, 1), new Complex(10.0, 1) } } },
{ "Tall3x2", new[,] { { new Complex(-1.1, 1), new Complex(-2.2, 1) }, { new Complex(0.0, 1), new Complex(1.1, 1) }, { new Complex(-4.4, 1), new Complex(5.5, 1) } } },
{ "Wide2x3", new[,] { { new Complex(-1.1, 1), new Complex(-2.2, 1), new Complex(-3.3, 1) }, { new Complex(0.0, 1), new Complex(1.1, 1), new Complex(2.2, 1) } } },
{ "Symmetric3x3", new[,] { { new Complex(1.0, 1), new Complex(2.0, 1), new Complex(3.0, 1) }, { new Complex(2.0, 1), new Complex(2.0, 1), new Complex(0.0, 1) }, { new Complex(3.0, 1), new Complex(0.0, 1), new Complex(3.0, 1) } } },
{ "NonSymmetric3x3", new[,] { { new Complex(-1.1, 1), new Complex(-2.2, 1), new Complex(-3.3, 1) }, { new Complex(0.0, 1), new Complex(1.1, 1), new Complex(2.2, 1) }, { new Complex(-4.4, 1), new Complex(5.5, 1), new Complex(6.6, 1) } } },
{ "NonSymmetric4x4", new[,] { { new Complex(-1.1, 1), new Complex(-2.2, 1), new Complex(-3.3, 1), new Complex(-4.4, 1) }, { new Complex(0.0, 1), new Complex(1.1, 1), new Complex(2.2, 1), new Complex(3.3, 1) }, { new Complex(1.0, 1), new Complex(2.1, 1), new Complex(6.2, 1), new Complex(4.3, 1) }, { new Complex(-4.4, 1), new Complex(5.5, 1), new Complex(6.6, 1), new Complex(-7.7, 1) } } },
{ "IndexTester4x4", new [,] { { new Complex(0, 1), new Complex(1, 1), new Complex(3, 1), new Complex(6, 1) }, { new Complex(1, 1), new Complex(2, 1), new Complex(4, 1), new Complex(7, 1) }, { new Complex(3, 1), new Complex(4, 1), new Complex(5, 1), new Complex(8, 1) }, { new Complex(6, 1), new Complex(7, 1), new Complex(8, 1), new Complex(9, 1) } } }
};
TestMatrices = new Dictionary<string, Matrix>();
foreach (var name in TestData2D.Keys)
{
TestMatrices.Add(name, CreateMatrix(TestData2D[name]));
}
}
/// <summary>
/// Can add a non-symmetric matrix to this symmetric matrix.
/// </summary>
/// <param name="mtxA">Matrix A name.</param>
/// <param name="mtxB">Matrix B name.</param>
[Test, Sequential]
public void CanAddNonSymmetricMatrix([Values("Square3x3", "Square4x4")] string mtxA, [Values("NonSymmetric3x3", "NonSymmetric4x4")] string mtxB)
{
var matrixA = TestMatrices[mtxA];
var matrixB = TestMatrices[mtxB];
var matrix = matrixA.Clone();
matrix = matrix.Add(matrixB);
for (var i = 0; i < matrix.RowCount; i++)
{
for (var j = 0; j < matrix.ColumnCount; j++)
{
Assert.AreEqual(matrix[i, j], matrixA[i, j] + matrixB[i, j]);
}
}
}
/// <summary>
/// Can subtract a non-symmetric matrix from this symmetric matrix.
/// </summary>
/// <param name="mtxA">Matrix A name.</param>
/// <param name="mtxB">Matrix B name.</param>
[Test, Sequential]
public void CanSubtractNonSymmetricMatrix([Values("Square3x3", "Square4x4")] string mtxA, [Values("NonSymmetric3x3", "NonSymmetric4x4")] string mtxB)
{
var matrixA = TestMatrices[mtxA];
var matrixB = TestMatrices[mtxB];
var matrix = matrixA.Clone();
matrix = matrix.Subtract(matrixB);
for (var i = 0; i < matrix.RowCount; i++)
{
for (var j = 0; j < matrix.ColumnCount; j++)
{
Assert.AreEqual(matrix[i, j], matrixA[i, j] - matrixB[i, j]);
}
}
}
/// <summary>
/// Can compute Frobenius norm.
/// </summary>
public override void CanComputeFrobeniusNorm()
{
var matrix = TestMatrices["Square3x3"];
var denseMatrix = new DenseMatrix(TestData2D["Square3x3"]);
AssertHelpers.AlmostEqual(denseMatrix.FrobeniusNorm(), matrix.FrobeniusNorm(), 14);
matrix = TestMatrices["Wide2x3"];
denseMatrix = new DenseMatrix(TestData2D["Wide2x3"]);
AssertHelpers.AlmostEqual(denseMatrix.FrobeniusNorm(), matrix.FrobeniusNorm(), 14);
matrix = TestMatrices["Tall3x2"];
denseMatrix = new DenseMatrix(TestData2D["Tall3x2"]);
AssertHelpers.AlmostEqual(denseMatrix.FrobeniusNorm(), matrix.FrobeniusNorm(), 14);
}
/// <summary>
/// Can compute Infinity norm.
/// </summary>
public override void CanComputeInfinityNorm()
{
var matrix = TestMatrices["Square3x3"];
var denseMatrix = new DenseMatrix(TestData2D["Square3x3"]);
AssertHelpers.AlmostEqual(denseMatrix.InfinityNorm(), matrix.InfinityNorm(), 14);
matrix = TestMatrices["Wide2x3"];
denseMatrix = new DenseMatrix(TestData2D["Wide2x3"]);
AssertHelpers.AlmostEqual(denseMatrix.InfinityNorm(), matrix.InfinityNorm(), 14);
matrix = TestMatrices["Tall3x2"];
denseMatrix = new DenseMatrix(TestData2D["Tall3x2"]);
AssertHelpers.AlmostEqual(denseMatrix.InfinityNorm(), matrix.InfinityNorm(), 14);
}
/// <summary>
/// Can compute L1 norm.
/// </summary>
public override void CanComputeL1Norm()
{
var matrix = TestMatrices["Square3x3"];
var denseMatrix = new DenseMatrix(TestData2D["Square3x3"]);
AssertHelpers.AlmostEqual(denseMatrix.L1Norm(), matrix.L1Norm(), 14);
matrix = TestMatrices["Wide2x3"];
denseMatrix = new DenseMatrix(TestData2D["Wide2x3"]);
AssertHelpers.AlmostEqual(denseMatrix.L1Norm(), matrix.L1Norm(), 14);
matrix = TestMatrices["Tall3x2"];
denseMatrix = new DenseMatrix(TestData2D["Tall3x2"]);
AssertHelpers.AlmostEqual(denseMatrix.L1Norm(), matrix.L1Norm(), 14);
}
/// <summary>
/// Can compute L2 norm.
/// </summary>
public override void CanComputeL2Norm()
{
var matrix = TestMatrices["Square3x3"];
var denseMatrix = new DenseMatrix(TestData2D["Square3x3"]);
AssertHelpers.AlmostEqual(denseMatrix.L2Norm(), matrix.L2Norm(), 14);
matrix = TestMatrices["Wide2x3"];
denseMatrix = new DenseMatrix(TestData2D["Wide2x3"]);
AssertHelpers.AlmostEqual(denseMatrix.L2Norm(), matrix.L2Norm(), 14);
matrix = TestMatrices["Tall3x2"];
denseMatrix = new DenseMatrix(TestData2D["Tall3x2"]);
AssertHelpers.AlmostEqual(denseMatrix.L2Norm(), matrix.L2Norm(), 14);
}
}
}

124
src/UnitTests/LinearAlgebraTests/Complex/SymmetricMatrixTests.cs
View File

@ -0,0 +1,124 @@
// <copyright file="SymmetricMatrixTests.cs" company="Math.NET">
// Math.NET Numerics, part of the Math.NET Project
// http://numerics.mathdotnet.com
// http://github.com/mathnet/mathnet-numerics
// http://mathnetnumerics.codeplex.com
// Copyright (c) 2009-2010 Math.NET
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
// </copyright>
namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex
{
using System.Numerics;
using MathNet.Numerics.LinearAlgebra.Complex;
using NUnit.Framework;
/// <summary>
/// Abstract class with the common set of matrix tests for symmetric matrices.
/// </summary>
public abstract partial class SymmetricMatrixTests : MatrixTests
{
/// <summary>
/// Can check if a matrix is symmetric.
/// </summary>
[Test]
public override void CanCheckIfMatrixIsSymmetric()
{
var matrix = TestMatrices["Square3x3"];
Assert.IsTrue(matrix.IsSymmetric);
matrix = TestMatrices["NonSymmetric3x3"];
Assert.IsFalse(matrix.IsSymmetric);
}
/// <summary>
/// Can check if a [,] array is symmetric.
/// </summary>
[Test]
public void CanCheckIfArrayIsSymmetric()
{
Assert.IsTrue(SymmetricMatrix.CheckIfSymmetric(TestData2D["Square3x3"]));
Assert.IsFalse(SymmetricMatrix.CheckIfSymmetric(TestData2D["NonSymmetric3x3"]));
}
/// <summary>
/// Test whether the index enumerator returns the correct values.
/// </summary>
[Test]
public void CanUseIndexedEnumerator()
{
var matrix = TestMatrices["Singular3x3"];
var enumerator = matrix.IndexedEnumerator().GetEnumerator();
enumerator.MoveNext();
var item = enumerator.Current;
Assert.AreEqual(0, item.Item1);
Assert.AreEqual(0, item.Item2);
Assert.AreEqual(new Complex(1.0, 1), item.Item3);
enumerator.MoveNext();
item = enumerator.Current;
Assert.AreEqual(0, item.Item1);
Assert.AreEqual(1, item.Item2);
Assert.AreEqual(new Complex(2.0, 1), item.Item3);
enumerator.MoveNext();
item = enumerator.Current;
Assert.AreEqual(0, item.Item1);
Assert.AreEqual(2, item.Item2);
Assert.AreEqual(new Complex(3.0, 1), item.Item3);
enumerator.MoveNext();
item = enumerator.Current;
Assert.AreEqual(1, item.Item1);
Assert.AreEqual(0, item.Item2);
Assert.AreEqual(new Complex(2.0, 1), item.Item3);
enumerator.MoveNext();
item = enumerator.Current;
Assert.AreEqual(1, item.Item1);
Assert.AreEqual(1, item.Item2);
Assert.AreEqual(new Complex(0.0, 1), item.Item3);
enumerator.MoveNext();
item = enumerator.Current;
Assert.AreEqual(1, item.Item1);
Assert.AreEqual(2, item.Item2);
Assert.AreEqual(new Complex(0.0, 1), item.Item3);
enumerator.MoveNext();
item = enumerator.Current;
Assert.AreEqual(2, item.Item1);
Assert.AreEqual(0, item.Item2);
Assert.AreEqual(new Complex(3.0, 1), item.Item3);
enumerator.MoveNext();
item = enumerator.Current;
Assert.AreEqual(2, item.Item1);
Assert.AreEqual(1, item.Item2);
Assert.AreEqual(new Complex(0.0, 1), item.Item3);
enumerator.MoveNext();
item = enumerator.Current;
Assert.AreEqual(2, item.Item1);
Assert.AreEqual(2, item.Item2);
Assert.AreEqual(new Complex(0.0, 1), item.Item3);
}
}
}

3
src/UnitTests/UnitTests.csproj
View File

@ -420,6 +420,9 @@
<Compile Include="LinearAlgebraTests\Complex\SparseVectorTest.TextHandling.cs">
<SubType>Code</SubType>
</Compile>
<Compile Include="LinearAlgebraTests\Complex\SymmetricDenseMatrixTests.cs" />
<Compile Include="LinearAlgebraTests\Complex\SymmetricMatrixTests.Arithmetic.cs" />
<Compile Include="LinearAlgebraTests\Complex\SymmetricMatrixTests.cs" />
<Compile Include="LinearAlgebraTests\Complex\UserDefinedMatrix.cs">
<SubType>Code</SubType>
</Compile>

Write Preview
Loading…
Cancel
Save