Mercurial > repos > IBBoard
changeset 31:7a3749a2d8e6
Re #19 - Add "Round to half" method
* Create IBBMath class and add static "RoundToHalf" method for doubles
| author | IBBoard <dev@ibboard.co.uk> |
|---|---|
| date | Sun, 17 May 2009 16:09:22 +0000 |
| parents | 23fd4247fc1c |
| children | 267cd5ce66ff |
| files | IBBoard.csproj Lang/IBBMath.cs |
| diffstat | 2 files changed, 28 insertions(+), 0 deletions(-) [+] |
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--- a/IBBoard.csproj Sun Apr 19 11:31:47 2009 +0000 +++ b/IBBoard.csproj Sun May 17 16:09:22 2009 +0000 @@ -125,6 +125,7 @@ <Compile Include="Lang\TranslationLoadException.cs" /> <Compile Include="Xml\XmlTools.cs" /> <Compile Include="IO\BinaryReaderBigEndian.cs" /> + <Compile Include="Lang\IBBMath.cs" /> </ItemGroup> <ItemGroup> <Content Include="libs\log4net.dll" />
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Lang/IBBMath.cs Sun May 17 16:09:22 2009 +0000 @@ -0,0 +1,27 @@ +// This file (IBBMath.cs) is a part of the IBBoard project and is copyright 2009 IBBoard +// +// The file and the library/program it is in are licensed under the GNU LGPL license, either version 3 of the License or (at your option) any later version. Please see COPYING.LGPL for more information and the full license. +// + +using System; + +namespace IBBoard.Lang +{ + public class IBBMath + { + /// <summary> + /// Rounds a number to the closest half, with a bias towards whole numbers. This is equivalent to 'round-to-even' in that + /// 0.25 is rounded down to 0.0 and 0.75 is rounded up to 1.0 so that a bias isn't introduced by rounding. + /// </summary> + /// <param name="number"> + /// The <see cref="System.Double"/> to round to the nearest 0.5 + /// </param> + /// <returns> + /// <code>param</code> rounded to the nearest 0.5 + /// </returns> + public static double RoundToHalf(double number) + { + return Math.Round(number * 2) / 2; + } + } +}