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78 lines
3.4 KiB
78 lines
3.4 KiB
// <copyright file="ArrayHelpers.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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#if PORTABLE
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using System.Collections.Generic;
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using System.Linq;
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#endif
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namespace MathNet.Numerics.UnitTests
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{
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using System;
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/// <summary>
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/// Array and List helper/extention for Silverlight
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/// </summary>
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internal static class ArrayHelpers
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{
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/// <summary>
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/// Converts an array of one type to an array of another type.
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/// </summary>
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/// <typeparam name="TInput">The type of the elements of the source array.</typeparam>
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/// <typeparam name="TOutput">The type of the elements of the target array.</typeparam>
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/// <param name="array">The one-dimensional, zero-based Array to convert to a target type.</param>
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/// <param name="converter">A Converter that converts each element from one type to another type.</param>
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/// <returns>An array of the target type containing the converted elements from the source array.</returns>
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public static TOutput[] ConvertAll<TInput, TOutput>(TInput[] array, Converter<TInput, TOutput> converter)
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{
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#if PORTABLE
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if (array == null)
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throw new ArgumentException();
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return (from item in array select converter(item)).ToArray();
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#else
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return Array.ConvertAll(array, converter);
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#endif
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}
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#if PORTABLE
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/// <summary>
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/// Determines whether the specified array contains elements that match the conditions defined by the specified predicate.
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/// </summary>
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/// <typeparam name="T">The type of the elements of the array.</typeparam>
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/// <param name="list">The one-dimensional, zero-based Array to search.</param>
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/// <param name="match">The Predicate that defines the conditions of the elements to search for.</param>
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/// <returns>true if array contains one or more elements that match the conditions defined by the specified predicate; otherwise, false.</returns>
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public static bool Exists<T>(this List<T> list, Predicate<T> match)
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{
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if (list == null)
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throw new ArgumentException();
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return list.Any(item => match(item));
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}
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#endif
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}
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}
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