8 ビット符号付き整数の絶対値を返します。
このメソッドは、CLS と互換性がありません。CLS との互換性に関する詳細については 「共通言語仕様の概要」 を参照してください。
<CLSCompliant(False)>
Overloads Public Shared Function Abs( _ ByVal value As SByte _) As SByte
[C#]
[CLSCompliant(false)]
public static sbyte Abs(sbytevalue);
[C++]
[CLSCompliant(false)]
public: static char Abs(charvalue);
[JScript]
public
CLSCompliant(false)
static function Abs(value : SByte) : SByte;
パラメータ
戻り値
0 ≤ x ≤ MaxValue の 8 ビット符号付き整数 x。
例外
| 例外の種類 | 条件 |
|---|---|
| OverflowException | value と MinValue が等しい値です。 |
使用例
' This example demonstrates Math.Abs()
Imports System
Class Sample
Public Shared Sub Main()
' Dim sb1 As System.SByte = - 16 'Signed Bytes are not supported.
' Dim sb2 As System.SByte = 16 'Signed Bytes are not supported.
Dim sh1 As Short = - 15
Dim sh2 As Short = 15
Dim in1 As Integer = - 14
Dim in2 As Integer = 14
Dim lg1 As Long = - 13
Dim lg2 As Long = 13
Dim fl1 As Single = - 12F
Dim fl2 As Single = 12F
Dim db1 As Double = - 11.1
Dim db2 As Double = 11.1
Dim de1 As [Decimal] = - 10D
Dim de2 As [Decimal] = 10D
Console.WriteLine()
' Signed bytes are not supported.
' Console.WriteLine("SByte: 1) {0,-5} 2) {1,-5}", Math.Abs(sb1), Math.Abs(sb2))
Console.WriteLine("Int16: 1) {0,-5} 2) {1,-5}", Math.Abs(sh1), Math.Abs(sh2))
Console.WriteLine("Int32: 1) {0,-5} 2) {1,-5}", Math.Abs(in1), Math.Abs(in2))
Console.WriteLine("Int64: 1) {0,-5} 2) {1,-5}", Math.Abs(lg1), Math.Abs(lg2))
Console.WriteLine("Single: 1) {0,-5} 2) {1,-5}", Math.Abs(fl1), Math.Abs(fl2))
Console.WriteLine("Double: 1) {0,-5} 2) {1,-5}", Math.Abs(db1), Math.Abs(db2))
Console.WriteLine("Decimal: 1) {0,-5} 2) {1,-5}", Math.Abs(de1), Math.Abs(de2))
End Sub 'Main
End Class 'Sample
'
'This example produces the following results:
'
'Int16: 1) 15 2) 15
'Int32: 1) 14 2) 14
'Int64: 1) 13 2) 13
'Single: 1) 12 2) 12
'Double: 1) 11.1 2) 11.1
'Decimal: 1) 10.0 2) 10.0
'
[C#]
// This example demonstrates Math.Abs()
using System;
class Sample
{
public static void Main()
{
sbyte sb1 = -16, sb2 = 16;
short sh1 = -15, sh2 = 15;
int in1 = -14, in2 = 14;
long lg1 = -13, lg2 = 13;
float fl1 = -12.0f, fl2 = 12.0f;
double db1 = -11.1, db2 = 11.1;
Decimal de1 = -10.0m, de2 = 10.0m;
Console.WriteLine();
Console.WriteLine("SByte: 1) {0,-5} 2) {1,-5}", Math.Abs(sb1), Math.Abs(sb2));
Console.WriteLine("Int16: 1) {0,-5} 2) {1,-5}", Math.Abs(sh1), Math.Abs(sh2));
Console.WriteLine("Int32: 1) {0,-5} 2) {1,-5}", Math.Abs(in1), Math.Abs(in2));
Console.WriteLine("Int64: 1) {0,-5} 2) {1,-5}", Math.Abs(lg1), Math.Abs(lg2));
Console.WriteLine("Single: 1) {0,-5} 2) {1,-5}", Math.Abs(fl1), Math.Abs(fl2));
Console.WriteLine("Double: 1) {0,-5} 2) {1,-5}", Math.Abs(db1), Math.Abs(db2));
Console.WriteLine("Decimal: 1) {0,-5} 2) {1,-5}", Math.Abs(de1), Math.Abs(de2));
}
}
/*
This example produces the following results:
SByte: 1) 16 2) 16
Int16: 1) 15 2) 15
Int32: 1) 14 2) 14
Int64: 1) 13 2) 13
Single: 1) 12 2) 12
Double: 1) 11.1 2) 11.1
Decimal: 1) 10.0 2) 10.0
*/
[C++]
// This example demonstrates Math.Abs()
#using <mscorlib.dll>
using namespace System;
int main()
{
SByte sb1 = -16, sb2 = 16;
Int16 sh1 = -15, sh2 = 15;
Int32 in1 = -14, in2 = 14;
Int64 lg1 = -13, lg2 = 13;
Single fl1 = -12.0f, fl2 = 12.0f;
Double db1 = -11.1, db2 = 11.1;
Decimal de1 = Decimal::Parse(S"-10.0"), de2 = Decimal::Parse(S"10.0");
Console::WriteLine();
Console::WriteLine(S"SByte: 1) {0,-5} 2) {1,-5}", __box(Math::Abs(sb1)), __box(Math::Abs(sb2)));
Console::WriteLine(S"Int16: 1) {0,-5} 2) {1,-5}", __box(Math::Abs(sh1)), __box(Math::Abs(sh2)));
Console::WriteLine(S"Int32: 1) {0,-5} 2) {1,-5}", __box(Math::Abs(in1)), __box(Math::Abs(in2)));
Console::WriteLine(S"Int64: 1) {0,-5} 2) {1,-5}", __box(Math::Abs(lg1)), __box(Math::Abs(lg2)));
Console::WriteLine(S"Single: 1) {0,-5} 2) {1,-5}", __box(Math::Abs(fl1)), __box(Math::Abs(fl2)));
Console::WriteLine(S"Double: 1) {0,-5} 2) {1,-5}", __box(Math::Abs(db1)), __box(Math::Abs(db2)));
Console::WriteLine(S"Decimal: 1) {0,-5} 2) {1,-5}", __box(Math::Abs(de1)), __box(Math::Abs(de2)));
}
/*
This example produces the following results:
SByte: 1) 16 2) 16
Int16: 1) 15 2) 15
Int32: 1) 14 2) 14
Int64: 1) 13 2) 13
Single: 1) 12 2) 12
Double: 1) 11.1 2) 11.1
Decimal: 1) 10.0 2) 10.0
*/
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をクリックします。
必要条件
プラットフォーム: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 ファミリ, .NET Compact Framework - Windows CE .NET, Common Language Infrastructure (CLI) Standard