forked from tsai/mathnet-numerics
Marcus Cuda
16 years ago
15 changed files with 292 additions and 520 deletions
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// <copyright file="DelimitedWriter.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) 2009-2010 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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// 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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namespace MathNet.Numerics.LinearAlgebra.Single.IO |
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{ |
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using System; |
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using System.Collections.Generic; |
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using System.Globalization; |
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using System.IO; |
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using Generic; |
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/// <summary>
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/// Writes an <see cref="Matrix{T}"/> to delimited text file. If the user does not
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/// specify a delimiter, a tab separator is used.
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/// </summary>
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public class DelimitedWriter : MatrixWriter |
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{ |
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/// <summary>
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/// The delimiter to use.
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/// </summary>
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private readonly string _delimiter; |
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/// <summary>
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/// The <see cref="CultureInfo"/> to use.
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/// </summary>
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private CultureInfo _cultureInfo = CultureInfo.CurrentCulture; |
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/// <summary>
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/// Initializes a new instance of the <see cref="DelimitedWriter"/> class using
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/// a comma as the delimiter.
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/// </summary>
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public DelimitedWriter() |
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{ |
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_delimiter = ","; |
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} |
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/// <summary>
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/// Initializes a new instance of the <see cref="DelimitedWriter"/> class
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/// using the given delimiter.
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/// </summary>
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/// <param name="delimiter">
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/// the delimiter to use.
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/// </param>
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public DelimitedWriter(char delimiter) |
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{ |
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_delimiter = new string(delimiter, 1); |
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} |
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/// <summary>
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/// Initializes a new instance of the <see cref="DelimitedWriter"/> class
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/// using the given delimiter.
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/// </summary>
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/// <param name="delimiter">
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/// the delimiter to use.
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/// </param>
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public DelimitedWriter(string delimiter) |
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{ |
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_delimiter = delimiter; |
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} |
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/// <summary>
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/// Gets or sets the column header values.
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/// </summary>
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/// <value>The column header values.</value>
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/// <remarks>Will write the column headers if the list is not empty or <c>null</c>.</remarks>
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public IList<string> ColumnHeaders |
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{ |
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get; |
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set; |
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} |
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/// <summary>
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/// Gets or sets the <see cref="CultureInfo"/> to use when parsing the numbers.
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/// </summary>
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/// <value>The culture info.</value>
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/// <remarks>Defaults to <c>CultureInfo.CurrentCulture</c>.</remarks>
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public CultureInfo CultureInfo |
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{ |
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get |
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{ |
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return _cultureInfo; |
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} |
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set |
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{ |
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if (value != null) |
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{ |
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_cultureInfo = value; |
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} |
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} |
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} |
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/// <summary>
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/// Writes the given <see cref="Matrix{T}"/> to the given <see cref="TextWriter"/>.
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/// </summary>
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/// <param name="matrix">The matrix to write.</param>
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/// <param name="writer">The <see cref="TextWriter"/> to write the matrix to.</param>
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/// <param name="format">The format to use on each element.</param>
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/// <exception cref="ArgumentNullException">If either <paramref name="matrix"/> or <paramref name="writer"/> is <c>null</c>.</exception>
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protected override void DoWriteMatrix(Matrix<float> matrix, TextWriter writer, string format) |
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{ |
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if (matrix == null) |
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{ |
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throw new ArgumentNullException("matrix"); |
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} |
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if (writer == null) |
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{ |
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throw new ArgumentNullException("writer"); |
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} |
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if (ColumnHeaders != null && ColumnHeaders.Count > 0) |
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{ |
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for (var i = 0; i < ColumnHeaders.Count - 1; i++) |
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{ |
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writer.Write(ColumnHeaders[i]); |
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writer.Write(_delimiter); |
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} |
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writer.WriteLine(ColumnHeaders[ColumnHeaders.Count - 1]); |
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} |
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var cols = matrix.ColumnCount - 1; |
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var rows = matrix.RowCount - 1; |
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for (var i = 0; i < matrix.RowCount; i++) |
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{ |
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for (var j = 0; j < matrix.ColumnCount; j++) |
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{ |
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writer.Write(matrix[i, j].ToString(format, _cultureInfo)); |
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if (j != cols) |
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{ |
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writer.Write(_delimiter); |
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} |
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} |
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if (i != rows) |
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{ |
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writer.Write(Environment.NewLine); |
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} |
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} |
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} |
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} |
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} |
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@ -1,197 +0,0 @@ |
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// <copyright file="MatrixWriter.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) 2009-2010 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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|
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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|
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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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|
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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.IO; |
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namespace MathNet.Numerics.LinearAlgebra.Single.IO |
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{ |
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using Generic; |
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/// <summary>
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/// Base class to write a single <see cref="Matrix{T}"/> to a file or stream.
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/// </summary>
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public abstract class MatrixWriter |
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{ |
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/// <summary>
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/// Writes the given <see cref="Matrix{T}"/> to the given file. If the file already exists,
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/// the file will be overwritten.
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/// </summary>
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/// <param name="matrix">The matrix to write.</param>
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/// <param name="file">The file to write the matrix to.</param>
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/// <exception cref="ArgumentNullException">If either <paramref name="matrix"/> or <paramref name="file"/> is <c>null</c>.</exception>
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public void WriteMatrix(Matrix<float> matrix, string file) |
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{ |
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if (matrix == null) |
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{ |
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throw new ArgumentNullException("matrix"); |
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} |
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if (file == null) |
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{ |
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throw new ArgumentNullException("file"); |
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} |
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using (var writer = new StreamWriter(file)) |
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{ |
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DoWriteMatrix(matrix, writer, null); |
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} |
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} |
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/// <summary>
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/// Writes the given <see cref="Matrix{T}"/> to the given file. If the file already exists,
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/// the file will be overwritten.
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/// </summary>
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/// <param name="matrix">the matrix to write.</param>
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/// <param name="file">The file to write the matrix to.</param>
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/// <param name="format">The format to use on each element.</param>
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/// <exception cref="ArgumentNullException">If either <paramref name="matrix"/> or <paramref name="file"/> is <c>null</c>.</exception>
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public void WriteMatrix(Matrix<float> matrix, string file, string format) |
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{ |
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if (matrix == null) |
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{ |
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throw new ArgumentNullException("matrix"); |
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} |
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if (file == null) |
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{ |
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throw new ArgumentNullException("file"); |
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} |
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if (File.Exists(file)) |
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{ |
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File.Delete(file); |
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} |
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using (var writer = new StreamWriter(file)) |
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{ |
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DoWriteMatrix(matrix, writer, format); |
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} |
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} |
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/// <summary>
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/// Writes the given <see cref="Matrix{T}"/> to the given stream.
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/// </summary>
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/// <param name="matrix">The matrix to write.</param>
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/// <param name="stream">The <see cref="Stream"/> to write the matrix to.</param>
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/// <exception cref="ArgumentNullException">If either <paramref name="matrix"/> or <paramref name="stream"/> is <c>null</c>.</exception>
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public void WriteMatrix(Matrix<float> matrix, Stream stream) |
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{ |
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if (matrix == null) |
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{ |
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throw new ArgumentNullException("matrix"); |
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} |
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if (stream == null) |
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{ |
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throw new ArgumentNullException("stream"); |
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} |
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using (var writer = new StreamWriter(stream)) |
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{ |
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DoWriteMatrix(matrix, writer, null); |
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} |
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} |
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/// <summary>
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/// Writes the given <see cref="Matrix{T}"/> to the given stream.
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/// </summary>
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/// <param name="matrix">The <see cref="TextWriter"/> to write.</param>
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/// <param name="stream">The <see cref="Stream"/> to write the matrix to.</param>
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/// <param name="format">The format to use on each element.</param>
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/// <exception cref="ArgumentNullException">If either <paramref name="matrix"/> or <paramref name="stream"/> is <c>null</c>.</exception>
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public void WriteMatrix(Matrix<float> matrix, Stream stream, string format) |
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{ |
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if (matrix == null) |
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{ |
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throw new ArgumentNullException("matrix"); |
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} |
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if (stream == null) |
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{ |
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throw new ArgumentNullException("stream"); |
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} |
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using (var writer = new StreamWriter(stream)) |
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{ |
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DoWriteMatrix(matrix, writer, format); |
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} |
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} |
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/// <summary>
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/// Writes the given <see cref="Matrix{T}"/> to the given <see cref="TextWriter"/>.
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/// </summary>
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/// <param name="matrix">The matrix to write.</param>
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/// <param name="writer">The <see cref="TextWriter"/> to write the matrix to.</param>
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/// <exception cref="ArgumentNullException">If either <paramref name="matrix"/> or <paramref name="writer"/> is <c>null</c>.</exception>
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public void WriteMatrix(Matrix<float> matrix, TextWriter writer) |
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{ |
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if (matrix == null) |
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{ |
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throw new ArgumentNullException("matrix"); |
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} |
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if (writer == null) |
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{ |
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throw new ArgumentNullException("writer"); |
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} |
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DoWriteMatrix(matrix, writer, null); |
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} |
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/// <summary>
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/// Writes the given <see cref="Matrix{T}"/> to the given <see cref="TextWriter"/>.
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/// </summary>
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/// <param name="matrix">The matrix to write.</param>
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/// <param name="writer">The <see cref="TextWriter"/> to write the matrix to.</param>
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/// <param name="format">The format to use on each element.</param>
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/// <exception cref="ArgumentNullException">If either <paramref name="matrix"/> or <paramref name="writer"/> is <c>null</c>.</exception>
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public void WriteMatrix(Matrix<float> matrix, TextWriter writer, string format) |
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{ |
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if (matrix == null) |
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{ |
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throw new ArgumentNullException("matrix"); |
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} |
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if (writer == null) |
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{ |
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throw new ArgumentNullException("writer"); |
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} |
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DoWriteMatrix(matrix, writer, format); |
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} |
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/// <summary>
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/// Subclasses must implement this method to do the actually writing.
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/// </summary>
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/// <param name="matrix">The matrix to serialize.</param>
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/// <param name="writer">The <see cref="TextWriter"/> to write the matrix to.</param>
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/// <param name="format">The format for the new matrix.</param>
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protected abstract void DoWriteMatrix(Matrix<float> matrix, TextWriter writer, string format); |
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} |
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} |
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@ -0,0 +1,90 @@ |
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namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex.IO |
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{ |
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using System; |
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using System.Globalization; |
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using System.Numerics; |
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using System.IO; |
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using LinearAlgebra.Complex; |
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using LinearAlgebra.IO; |
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using MbUnit.Framework; |
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[TestFixture] |
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public class DelimitedWriterTests |
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{ |
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[Test] |
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public void CanWriteCommaDelimitedData() |
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{ |
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var matrix = new DenseMatrix(new[,] { { new Complex(1.1, 1.1), new Complex(2.2, 2.2), new Complex(3.3, 3.3) }, { new Complex(4.4, 4.4), new Complex(5.5, 5.5), new Complex(6.6, 6.6) }, { new Complex(7.7, 7.7), new Complex(8.8, 8.8), new Complex(9.9, 9.9) } }); |
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var writer = new DelimitedWriter<Complex>(','); |
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var stream = new MemoryStream(); |
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writer.WriteMatrix(matrix, stream); |
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var data = stream.ToArray(); |
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var reader = new StreamReader(new MemoryStream(data)); |
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var text = reader.ReadToEnd(); |
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const string expected = @"(1.1, 1.1),(2.2, 2.2),(3.3, 3.3)
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(4.4, 4.4),(5.5, 5.5),(6.6, 6.6) |
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(7.7, 7.7),(8.8, 8.8),(9.9, 9.9)";
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Assert.AreEqual(expected, text); |
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} |
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[Test] |
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public void CanWritePeriodDelimitedData() |
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{ |
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var matrix = new DenseMatrix(new[,] { { new Complex(1.1, 1.1), new Complex(2.2, 2.2), new Complex(3.3, 3.3) }, { new Complex(4.4, 4.4), new Complex(5.5, 5.5), new Complex(6.6, 6.6) }, { new Complex(7.7, 7.7), new Complex(8.8, 8.8), new Complex(9.9, 9.9) } }); |
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var culture = new CultureInfo("tr-TR"); |
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var writer = new DelimitedWriter<Complex>('.') |
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{ |
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CultureInfo = culture |
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}; |
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var stream = new MemoryStream(); |
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writer.WriteMatrix(matrix, stream); |
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var data = stream.ToArray(); |
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var reader = new StreamReader(new MemoryStream(data)); |
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var text = reader.ReadToEnd(); |
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const string expected = @"(1,1, 1,1).(2,2, 2,2).(3,3, 3,3)
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(4,4, 4,4).(5,5, 5,5).(6,6, 6,6) |
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(7,7, 7,7).(8,8, 8,8).(9,9, 9,9)";
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Assert.AreEqual(expected, text); |
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} |
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[Test] |
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public void CanWriteSpaceDelimitedData() |
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{ |
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var matrix = new DenseMatrix(new[,] { { new Complex(1.1, 1.1), new Complex(2.2, 2.2), new Complex(3.3, 3.3) }, { new Complex(4.4, 4.4), new Complex(5.5, 5.5), new Complex(6.6, 6.6) }, { new Complex(7.7, 7.7), new Complex(8.8, 8.8), new Complex(9.9, 9.9) } }); |
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var writer = new DelimitedWriter<Complex>(' '); |
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var stream = new MemoryStream(); |
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writer.WriteMatrix(matrix, stream); |
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|
var data = stream.ToArray(); |
||||
|
var reader = new StreamReader(new MemoryStream(data)); |
||||
|
var text = reader.ReadToEnd(); |
||||
|
const string expected = @"(1.1, 1.1) (2.2, 2.2) (3.3, 3.3)
|
||||
|
(4.4, 4.4) (5.5, 5.5) (6.6, 6.6) |
||||
|
(7.7, 7.7) (8.8, 8.8) (9.9, 9.9)";
|
||||
|
Assert.AreEqual(expected, text); |
||||
|
} |
||||
|
|
||||
|
[Test] |
||||
|
public void CanWriteTabDelimitedData() |
||||
|
{ |
||||
|
var matrix = new DenseMatrix(new[,] { { new Complex(1.1, 1.1), new Complex(2.2, 2.2), new Complex(3.3, 3.3) }, { new Complex(4.4, 4.4), new Complex(5.5, 5.5), new Complex(6.6, 6.6) }, { new Complex(7.7, 7.7), new Complex(8.8, 8.8), new Complex(9.9, 9.9) } }); |
||||
|
var headers = new[] { "a", "b", "c" }; |
||||
|
var writer = new DelimitedWriter<Complex>('\t') |
||||
|
{ |
||||
|
ColumnHeaders = headers |
||||
|
}; |
||||
|
var stream = new MemoryStream(); |
||||
|
writer.WriteMatrix(matrix, stream); |
||||
|
var data = stream.ToArray(); |
||||
|
var reader = new StreamReader(new MemoryStream(data)); |
||||
|
var text = reader.ReadToEnd(); |
||||
|
var expected = "a\tb\tc" |
||||
|
+ Environment.NewLine |
||||
|
+ "(1.1, 1.1)\t(2.2, 2.2)\t(3.3, 3.3)" |
||||
|
+ Environment.NewLine |
||||
|
+ "(4.4, 4.4)\t(5.5, 5.5)\t(6.6, 6.6)" |
||||
|
+ Environment.NewLine |
||||
|
+ "(7.7, 7.7)\t(8.8, 8.8)\t(9.9, 9.9)"; |
||||
|
Assert.AreEqual(expected, text); |
||||
|
} |
||||
|
} |
||||
|
} |
||||
@ -0,0 +1,90 @@ |
|||||
|
namespace MathNet.Numerics.UnitTests.LinearAlgebraTests.Complex32.IO |
||||
|
{ |
||||
|
using System; |
||||
|
using System.Globalization; |
||||
|
using System.IO; |
||||
|
using LinearAlgebra.Complex32; |
||||
|
using Numerics; |
||||
|
using LinearAlgebra.IO; |
||||
|
using MbUnit.Framework; |
||||
|
|
||||
|
[TestFixture] |
||||
|
public class DelimitedWriterTests |
||||
|
{ |
||||
|
[Test] |
||||
|
public void CanWriteCommaDelimitedData() |
||||
|
{ |
||||
|
var matrix = new DenseMatrix(new[,] { { new Complex32(1.1f, 1.1f), new Complex32(2.2f, 2.2f), new Complex32(3.3f, 3.3f) }, { new Complex32(4.4f, 4.4f), new Complex32(5.5f, 5.5f), new Complex32(6.6f, 6.6f) }, { new Complex32(7.7f, 7.7f), new Complex32(8.8f, 8.8f), new Complex32(9.9f, 9.9f) } }); |
||||
|
var writer = new DelimitedWriter<Complex32>(','); |
||||
|
var stream = new MemoryStream(); |
||||
|
writer.WriteMatrix(matrix, stream); |
||||
|
var data = stream.ToArray(); |
||||
|
var reader = new StreamReader(new MemoryStream(data)); |
||||
|
var text = reader.ReadToEnd(); |
||||
|
const string expected = @"(1.1, 1.1),(2.2, 2.2),(3.3, 3.3)
|
||||
|
(4.4, 4.4),(5.5, 5.5),(6.6, 6.6) |
||||
|
(7.7, 7.7),(8.8, 8.8),(9.9, 9.9)";
|
||||
|
Assert.AreEqual(expected, text); |
||||
|
} |
||||
|
|
||||
|
[Test] |
||||
|
public void CanWritePeriodDelimitedData() |
||||
|
{ |
||||
|
var matrix = new DenseMatrix(new[,] { { new Complex32(1.1f, 1.1f), new Complex32(2.2f, 2.2f), new Complex32(3.3f, 3.3f) }, { new Complex32(4.4f, 4.4f), new Complex32(5.5f, 5.5f), new Complex32(6.6f, 6.6f) }, { new Complex32(7.7f, 7.7f), new Complex32(8.8f, 8.8f), new Complex32(9.9f, 9.9f) } }); |
||||
|
var culture = new CultureInfo("tr-TR"); |
||||
|
var writer = new DelimitedWriter<Complex32>('.') |
||||
|
{ |
||||
|
CultureInfo = culture |
||||
|
}; |
||||
|
var stream = new MemoryStream(); |
||||
|
writer.WriteMatrix(matrix, stream); |
||||
|
var data = stream.ToArray(); |
||||
|
var reader = new StreamReader(new MemoryStream(data)); |
||||
|
var text = reader.ReadToEnd(); |
||||
|
const string expected = @"(1,1, 1,1).(2,2, 2,2).(3,3, 3,3)
|
||||
|
(4,4, 4,4).(5,5, 5,5).(6,6, 6,6) |
||||
|
(7,7, 7,7).(8,8, 8,8).(9,9, 9,9)";
|
||||
|
Assert.AreEqual(expected, text); |
||||
|
} |
||||
|
|
||||
|
[Test] |
||||
|
public void CanWriteSpaceDelimitedData() |
||||
|
{ |
||||
|
var matrix = new DenseMatrix(new[,] { { new Complex32(1.1f, 1.1f), new Complex32(2.2f, 2.2f), new Complex32(3.3f, 3.3f) }, { new Complex32(4.4f, 4.4f), new Complex32(5.5f, 5.5f), new Complex32(6.6f, 6.6f) }, { new Complex32(7.7f, 7.7f), new Complex32(8.8f, 8.8f), new Complex32(9.9f, 9.9f) } }); |
||||
|
var writer = new DelimitedWriter<Complex32>(' '); |
||||
|
var stream = new MemoryStream(); |
||||
|
writer.WriteMatrix(matrix, stream); |
||||
|
var data = stream.ToArray(); |
||||
|
var reader = new StreamReader(new MemoryStream(data)); |
||||
|
var text = reader.ReadToEnd(); |
||||
|
const string expected = @"(1.1, 1.1) (2.2, 2.2) (3.3, 3.3)
|
||||
|
(4.4, 4.4) (5.5, 5.5) (6.6, 6.6) |
||||
|
(7.7, 7.7) (8.8, 8.8) (9.9, 9.9)";
|
||||
|
Assert.AreEqual(expected, text); |
||||
|
} |
||||
|
|
||||
|
[Test] |
||||
|
public void CanWriteTabDelimitedData() |
||||
|
{ |
||||
|
var matrix = new DenseMatrix(new[,] { { new Complex32(1.1f, 1.1f), new Complex32(2.2f, 2.2f), new Complex32(3.3f, 3.3f) }, { new Complex32(4.4f, 4.4f), new Complex32(5.5f, 5.5f), new Complex32(6.6f, 6.6f) }, { new Complex32(7.7f, 7.7f), new Complex32(8.8f, 8.8f), new Complex32(9.9f, 9.9f) } }); |
||||
|
var headers = new[] { "a", "b", "c" }; |
||||
|
var writer = new DelimitedWriter<Complex32>('\t') |
||||
|
{ |
||||
|
ColumnHeaders = headers |
||||
|
}; |
||||
|
var stream = new MemoryStream(); |
||||
|
writer.WriteMatrix(matrix, stream); |
||||
|
var data = stream.ToArray(); |
||||
|
var reader = new StreamReader(new MemoryStream(data)); |
||||
|
var text = reader.ReadToEnd(); |
||||
|
var expected = "a\tb\tc" |
||||
|
+ Environment.NewLine |
||||
|
+ "(1.1, 1.1)\t(2.2, 2.2)\t(3.3, 3.3)" |
||||
|
+ Environment.NewLine |
||||
|
+ "(4.4, 4.4)\t(5.5, 5.5)\t(6.6, 6.6)" |
||||
|
+ Environment.NewLine |
||||
|
+ "(7.7, 7.7)\t(8.8, 8.8)\t(9.9, 9.9)"; |
||||
|
Assert.AreEqual(expected, text); |
||||
|
} |
||||
|
} |
||||
|
} |
||||
Loading…
Reference in new issue