BigInteger.OnesComplement(BigInteger) Betreiber
Definition
Gibt das bitweise Einerkomplement eines BigInteger-Werts zurück.Returns the bitwise one's complement of a BigInteger value.
public:
static System::Numerics::BigInteger operator ~(System::Numerics::BigInteger value);
public static System.Numerics.BigInteger operator ~ (System.Numerics.BigInteger value);
static member op_OnesComplement : System.Numerics.BigInteger -> System.Numerics.BigInteger
Public Shared Operator Not (value As BigInteger) As BigInteger
Parameter
- value
- BigInteger
Ein Ganzzahlwert.An integer value.
Gibt zurück
Das bitweise Einerkomplement von value
.The bitwise one's complement of value
.
Hinweise
Die OnesComplement -Methode definiert den Vorgang des bitweisen One-komplementatoroperators für BigInteger -Werte.The OnesComplement method defines the operation of the bitwise one's complement operator for BigInteger values. Der bitweise One-komplementatoroperator kehrt jedes Bit in einem numerischen Wert um.The bitwise one's complement operator reverses each bit in a numeric value. Das heißt, Bits in value
, die 0 sind, werden im Ergebnis auf 1 festgelegt, und Bits, die 1 sind, werden im Ergebnis auf 0 festgelegt.That is, bits in value
that are 0 are set to 1 in the result, and bits that are 1 are set to 0 in the result. Die- OnesComplement Methode ermöglicht Code wie den folgenden:The OnesComplement method enables code such as the following:
using System;
using System.Numerics;
public class Example
{
public static void Main()
{
BigInteger value, complement;
value = BigInteger.Multiply(BigInteger.One, 9);
complement = ~value;
Console.WriteLine("{0,5} -- {1,-32}", value, DisplayInBinary(value));
Console.WriteLine("{0,5} -- {1,-32}\n", complement, DisplayInBinary(complement));
value = BigInteger.MinusOne * SByte.MaxValue;
complement = ~value;
Console.WriteLine("{0,5} -- {1,-32}", value, DisplayInBinary(value));
Console.WriteLine("{0,5} -- {1,-32}\n", complement, DisplayInBinary(complement));
}
private static string DisplayInBinary(BigInteger number)
{
byte[] bytes = number.ToByteArray();
string binaryString = string.Empty;
foreach (byte byteValue in bytes)
{
string byteString = Convert.ToString(byteValue, 2).Trim();
binaryString += byteString.Insert(0, new string('0', 8 - byteString.Length));
}
return binaryString;
}
}
// The example displays the following output:
// 9 -- 00001001
// -10 -- 11110110
//
// -127 -- 10000001
// 126 -- 01111110
Imports System.Numerics
Module Example
Public Sub Main()
Dim value, complement As bigInteger
value = BigInteger.Multiply(BigInteger.One, 9)
complement = Not value
Console.WriteLine("{0,5} -- {1,-32}", value, DisplayInBinary(value))
Console.WriteLine("{0,5} -- {1,-32}", complement, DisplayInBinary(complement))
Console.WriteLine()
value = BigInteger.MinusOne * SByte.MaxValue
complement = BigInteger.op_OnesComplement(value)
Console.WriteLine("{0,5} -- {1,-32}", value, DisplayInBinary(value))
Console.WriteLine("{0,5} -- {1,-32}", complement, DisplayInBinary(complement))
Console.WriteLine()
End Sub
Private Function DisplayInBinary(number As BigInteger) As String
Dim bytes() As Byte = number.ToByteArray()
Dim binaryString As String = String.Empty
For Each byteValue As Byte In bytes
Dim byteString As String = Convert.ToString(byteValue, 2).Trim()
binaryString += byteString.Insert(0, New String("0"c, 8 - byteString.Length))
Next
Return binaryString
End Function
End Module
' The example displays the following output:
' 9 -- 00001001
' -10 -- 11110110
'
' -127 -- 10000001
' 126 -- 01111110
Sprachen, die keine benutzerdefinierten Operatoren unterstützen, können die OnesComplement -Methode möglicherweise direkt aufzurufen, um eine bitweise Einerkomplement Operation auszuführen.Languages that do not support custom operators may be able to call the OnesComplement method directly to perform a bitwise one's complement operation. Beispiel:For example:
Imports System.Numerics
Module Example
Public Sub Main()
Dim value, complement As bigInteger
value = BigInteger.Multiply(BigInteger.One, 9)
complement = BigInteger.op_OnesComplement(value)
Console.WriteLine("{0,5} -- {1,-32}", value, DisplayInBinary(value))
Console.WriteLine("{0,5} -- {1,-32}", complement, DisplayInBinary(complement))
Console.WriteLine()
value = BigInteger.MinusOne * SByte.MaxValue
complement = BigInteger.op_OnesComplement(value)
Console.WriteLine("{0,5} -- {1,-32}", value, DisplayInBinary(value))
Console.WriteLine("{0,5} -- {1,-32}", complement, DisplayInBinary(complement))
Console.WriteLine()
End Sub
Private Function DisplayInBinary(number As BigInteger) As String
Dim bytes() As Byte = number.ToByteArray()
Dim binaryString As String = String.Empty
For Each byteValue As Byte In bytes
Dim byteString As String = Convert.ToString(byteValue, 2).Trim()
binaryString += byteString.Insert(0, New String("0"c, 8 - byteString.Length))
Next
Return binaryString
End Function
End Module
' The example displays the following output:
' 9 -- 00001001
' -10 -- 11110110
'
' -127 -- 10000001
' 126 -- 01111110