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Csharp/C Sharp/Development Class/Round - История изменений
2026-04-29T20:33:37Z
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в 15:31, 26 мая 2010
2010-05-26T15:31:19Z
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Admin: 1 версия
2010-05-26T11:43:03Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Round down a number==<br />
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<source lang="csharp"><br />
using System;<br />
using System.Data;<br />
using System.Text.RegularExpressions;<br />
class Class1{<br />
static void Main(string[] args){<br />
Console.WriteLine(RoundDown(.4));<br />
Console.WriteLine(RoundDown(.5));<br />
Console.WriteLine(RoundDown(.6));<br />
Console.WriteLine(RoundDown(1.4));<br />
Console.WriteLine(RoundDown(1.5));<br />
Console.WriteLine(RoundDown(1.6));<br />
Console.WriteLine(RoundDown(2.4));<br />
Console.WriteLine(RoundDown(2.5));<br />
Console.WriteLine(RoundDown(2.6));<br />
Console.WriteLine(RoundDown(3.4));<br />
Console.WriteLine(RoundDown(3.5));<br />
Console.WriteLine(RoundDown(3.6));<br />
}<br />
public static double RoundDown(double valueToRound)<br />
{<br />
double floorValue = Math.Floor(valueToRound);<br />
if ((valueToRound - floorValue) > .5)<br />
{<br />
return (floorValue + 1);<br />
}<br />
else<br />
{<br />
return (floorValue);<br />
}<br />
}<br />
}<br />
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</source><br />
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==Rounding a Floating Point Value==<br />
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<source lang="csharp"><br />
using System;<br />
using System.Data;<br />
using System.Text.RegularExpressions;<br />
class Class1{<br />
static void Main(string[] args){<br />
int X = (int)Math.Round(2.5555);<br />
Console.WriteLine(X);<br />
Console.WriteLine(Math.Round(2.5555, 2));<br />
Console.WriteLine(Math.Round(2.444444,3));<br />
Console.WriteLine(Math.Round(2.666666666666666666666666666660001));<br />
Console.WriteLine(Math.Round(2.4444444444444444444444440001));<br />
Console.WriteLine(Math.Round(.5));<br />
Console.WriteLine(Math.Round(1.5));<br />
Console.WriteLine(Math.Round(2.5));<br />
Console.WriteLine(Math.Round(3.5));<br />
Console.WriteLine();<br />
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Console.WriteLine(Math.Floor(.5));<br />
Console.WriteLine(Math.Floor(1.5));<br />
Console.WriteLine(Math.Floor(2.5));<br />
Console.WriteLine(Math.Floor(3.5));<br />
Console.WriteLine();<br />
<br />
Console.WriteLine(Math.Ceiling(.5));<br />
Console.WriteLine(Math.Ceiling(1.5));<br />
Console.WriteLine(Math.Ceiling(2.5));<br />
Console.WriteLine(Math.Ceiling(3.5)); <br />
Console.WriteLine();<br />
}<br />
}<br />
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</source><br />
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==Round up a number==<br />
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<source lang="csharp"><br />
using System;<br />
using System.Data;<br />
using System.Text.RegularExpressions;<br />
class Class1{<br />
static void Main(string[] args){<br />
Console.WriteLine(RoundUp(.4));<br />
Console.WriteLine(RoundUp(.5));<br />
Console.WriteLine(RoundUp(.6));<br />
Console.WriteLine(RoundUp(1.4));<br />
Console.WriteLine(RoundUp(1.5));<br />
Console.WriteLine(RoundUp(1.6));<br />
Console.WriteLine(RoundUp(2.4));<br />
Console.WriteLine(RoundUp(2.5));<br />
Console.WriteLine(RoundUp(2.6));<br />
Console.WriteLine(RoundUp(3.4));<br />
Console.WriteLine(RoundUp(3.5));<br />
Console.WriteLine(RoundUp(3.6));<br />
}<br />
public static double RoundUp(double valueToRound)<br />
{<br />
return (Math.Floor(valueToRound + 0.5));<br />
}<br />
}<br />
<br />
</source></div>
Admin