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BigInteger.Equals Metodo

  • Riferimento

Definizione

Spazio dei nomi:
System.Numerics
Assembly:
System.Runtime.Numerics.dll
Assembly:
System.Numerics.dll
Assembly:
netstandard.dll

Restituisce un valore che indica se due valori numerici sono uguali.

Overload

Equals(UInt64)

Restituisce un valore che indica se l'istanza corrente e un intero senza segno a 64 bit hanno lo stesso valore.
Equals(Object)

Restituisce un valore che indica se l'istanza corrente e un oggetto specificato hanno lo stesso valore.
Equals(BigInteger)

Restituisce un valore che indica se l'istanza corrente e un oggetto BigInteger specificato hanno lo stesso valore.
Equals(Int64)

Restituisce un valore che indica se l'istanza corrente e un intero con segno a 64 bit hanno lo stesso valore.

Equals(UInt64)

Origine:
BigInteger.cs
Origine:
BigInteger.cs
Origine:
BigInteger.cs

Importante

Questa API non è conforme a CLS.

Restituisce un valore che indica se l'istanza corrente e un intero senza segno a 64 bit hanno lo stesso valore.

public:
 bool Equals(System::UInt64 other);
[System.CLSCompliant(false)]
public bool Equals (ulong other);
[<System.CLSCompliant(false)>]
override this.Equals : uint64 -> bool
Public Function Equals (other As ULong) As Boolean

Parametri

other
UInt64

Intero senza segno a 64 bit da confrontare.

Restituisce

Boolean

true se l'Unsigned Integer a 64 bit e l'istanza corrente hanno lo stesso valore; false in caso contrario.

Attributi
CLSCompliantAttribute

Esempio

L'esempio seguente confronta la distanza approssimativa di diverse stelle dalla Terra con la distanza di Epsilon Indi dalla Terra per determinare se sono uguali. L'esempio usa ogni overload del metodo per testare l'uguaglianza Equals .

#using <System.Numerics.dll>

using namespace System;
using namespace System::Numerics;


void main()
{
   const Int64 LIGHT_YEAR = 5878625373183;

   BigInteger altairDistance = 17 * LIGHT_YEAR;
   BigInteger epsilonIndiDistance = 12 * LIGHT_YEAR;
   BigInteger ursaeMajoris47Distance = 46 * LIGHT_YEAR;
   Int64 tauCetiDistance = 12 * LIGHT_YEAR;
   UInt64 procyon2Distance = 12 * LIGHT_YEAR;
   Object^ wolf424ABDistance = 14 * LIGHT_YEAR;

   Console::WriteLine("Approx. equal distances from Epsilon Indi to:");
   Console::WriteLine("   Altair: {0}",
      epsilonIndiDistance.Equals(altairDistance));
   Console::WriteLine("   Ursae Majoris 47: {0}",
      epsilonIndiDistance.Equals(ursaeMajoris47Distance));
   Console::WriteLine("   TauCeti: {0}",
      epsilonIndiDistance.Equals(tauCetiDistance));
   Console::WriteLine("   Procyon 2: {0}",
      epsilonIndiDistance.Equals(procyon2Distance));
   Console::WriteLine("   Wolf 424 AB: {0}",
      epsilonIndiDistance.Equals(wolf424ABDistance));
}
/*
The example displays output like the following:
      Approx. equal distances from Epsilon Indi to:
      Altair: False
      Ursae Majoris 47: False
      TauCeti: True
      Procyon 2: True
      Wolf 424 AB: False
*/

const long LIGHT_YEAR = 5878625373183;

BigInteger altairDistance = 17 * LIGHT_YEAR;
BigInteger epsilonIndiDistance = 12 * LIGHT_YEAR;
BigInteger ursaeMajoris47Distance = 46 * LIGHT_YEAR;
long tauCetiDistance = 12 * LIGHT_YEAR;
ulong procyon2Distance = 12 * LIGHT_YEAR;
object wolf424ABDistance = 14 * LIGHT_YEAR;

Console.WriteLine("Approx. equal distances from Epsilon Indi to:");
Console.WriteLine("   Altair: {0}",
                  epsilonIndiDistance.Equals(altairDistance));
Console.WriteLine("   Ursae Majoris 47: {0}",
                  epsilonIndiDistance.Equals(ursaeMajoris47Distance));
Console.WriteLine("   TauCeti: {0}",
                  epsilonIndiDistance.Equals(tauCetiDistance));
Console.WriteLine("   Procyon 2: {0}",
                  epsilonIndiDistance.Equals(procyon2Distance));
Console.WriteLine("   Wolf 424 AB: {0}",
                  epsilonIndiDistance.Equals(wolf424ABDistance));
// The example displays the following output:
//    Approx. equal distances from Epsilon Indi to:
//       Altair: False
//       Ursae Majoris 47: False
//       TauCeti: True
//       Procyon 2: True
//       Wolf 424 AB: False

let LIGHT_YEAR = 5878625373183L

let altairDistance = 17I * bigint LIGHT_YEAR
let epsilonIndiDistance = 12I * bigint LIGHT_YEAR
let ursaeMajoris47Distance = 46I * bigint LIGHT_YEAR
let tauCetiDistance = 12L * LIGHT_YEAR
let procyon2Distance = 12uL * uint64 LIGHT_YEAR
let wolf424ABDistance = 14L * LIGHT_YEAR

printfn "Approx. equal distances from Epsilon Indi to:"
printfn $"   Altair: {epsilonIndiDistance.Equals(altairDistance)}"
printfn $"   Ursae Majoris 47: {epsilonIndiDistance.Equals(ursaeMajoris47Distance)}"
printfn $"   TauCeti: {epsilonIndiDistance.Equals(tauCetiDistance)}"
printfn $"   Procyon 2: {epsilonIndiDistance.Equals(procyon2Distance)}"
printfn $"   Wolf 424 AB: {epsilonIndiDistance.Equals(wolf424ABDistance)}"
// The example displays the following output:
//    Approx. equal distances from Epsilon Indi to:
//       Altair: False
//       Ursae Majoris 47: False
//       TauCeti: True
//       Procyon 2: True
//       Wolf 424 AB: False

   Const LIGHT_YEAR As Long = 5878625373183

   Dim altairDistance As BigInteger = 17 * LIGHT_YEAR
   Dim epsilonIndiDistance As BigInteger = 12 * LIGHT_YEAR
   Dim ursaeMajoris47Distance As BigInteger = 46 * LIGHT_YEAR
   Dim tauCetiDistance As BigInteger = 12 * LIGHT_YEAR
   Dim procyon2Distance As Long = 12 * LIGHT_YEAR
   Dim wolf424ABDistance As Object = 14 * LIGHT_YEAR
   
   Console.WriteLine("Approx. equal distances from Epsilon Indi to:")
   Console.WriteLine("   Altair: {0}", _
                     epsilonIndiDistance.Equals(altairDistance))
   Console.WriteLine("   Ursae Majoris 47: {0}", _
                     epsilonIndiDistance.Equals(ursaeMajoris47Distance))
   Console.WriteLine("   TauCeti: {0}", _
                     epsilonIndiDistance.Equals(tauCetiDistance))
   Console.WriteLine("   Procyon 2: {0}", _
                     epsilonIndiDistance.Equals(procyon2Distance))
   Console.WriteLine("   Wolf 424 AB: {0}", _
                     epsilonIndiDistance.Equals(wolf424ABDistance))
   ' The example displays the following output:
   '    Approx. equal distances from Epsilon Indi to:
   '       Altair: False
   '       Ursae Majoris 47: False
   '       TauCeti: True
   '       Procyon 2: True
   '       Wolf 424 AB: False

Commenti

Per determinare la relazione tra i due oggetti invece di testare solo l'uguaglianza, chiamare il BigInteger.CompareTo(UInt64) metodo .

Si applica a

Equals(Object)

Origine:
BigInteger.cs
Origine:
BigInteger.cs
Origine:
BigInteger.cs

Restituisce un valore che indica se l'istanza corrente e un oggetto specificato hanno lo stesso valore.

public:
 override bool Equals(System::Object ^ obj);
public override bool Equals (object obj);
public override bool Equals (object? obj);
override this.Equals : obj -> bool
Public Overrides Function Equals (obj As Object) As Boolean

Parametri

obj
Object

Oggetto da confrontare.

Restituisce

Boolean

true se l'argomento di obj è un oggetto BigInteger e se il valore è uguale a quello dell'istanza BigInteger corrente; in caso contrario, false.

Esempio

Nell'esempio seguente vengono definite le matrici parallele Object e BigInteger . Ogni elemento di una matrice ha lo stesso valore dell'elemento corrispondente della seconda matrice. Come illustrato dall'output dell'esempio, l'istanza nella BigInteger matrice viene considerata uguale all'istanza nella Object matrice solo se quest'ultima è una BigInteger e i relativi valori sono uguali.

using System;
using System.Numerics;

public class Example
{
   public static void Main()
   {
      object[] obj = { 0, 10, 100, new BigInteger(1000), -10 };
      BigInteger[] bi = { BigInteger.Zero, new BigInteger(10),
                          new BigInteger(100), new BigInteger(1000),
                          new BigInteger(-10) };
      for (int ctr = 0; ctr < bi.Length; ctr++)
         Console.WriteLine(bi[ctr].Equals(obj[ctr]));
   }
}
// The example displays the following output:
//       False
//       False
//       False
//       True
//       False

open System.Numerics

let obj: obj[] = [| 0; 10; 100; BigInteger 1000; -10 |]

let bi =
    [| BigInteger.Zero
       BigInteger 10
       BigInteger 100
       BigInteger 1000
       BigInteger -10 |]

for ctr = 0 to bi.Length - 1 do
    printfn $"{bi.[ctr].Equals(obj.[ctr])}"
// The example displays the following output:
//       False
//       False
//       False
//       True
//       False

Imports System.Numerics

Module Example
   Public Sub Main()
      Dim obj() As object = { 0, 10, 100, New BigInteger(1000), -10 }
      Dim bi() As BigInteger = { BigInteger.Zero, New BigInteger(10),
                                 New BigInteger(100), New BigInteger(1000),
                                 New BigInteger(-10) }
      For ctr As Integer = 0 To bi.Length - 1
         Console.WriteLine(bi(ctr).Equals(obj(ctr)))
      Next                           
   End Sub
End Module
' The example displays the following output:
'       False
'       False
'       False
'       True
'       False

Commenti

Se l'argomento obj non è un BigInteger valore, il metodo restituisce false. Il metodo restituisce true solo se obj è un'istanza BigInteger il cui valore è uguale all'istanza corrente.

Per determinare la relazione tra i due oggetti invece di testare solo l'uguaglianza, chiamare il CompareTo(Object) metodo .

Si applica a

Equals(BigInteger)

Origine:
BigInteger.cs
Origine:
BigInteger.cs
Origine:
BigInteger.cs

Restituisce un valore che indica se l'istanza corrente e un oggetto BigInteger specificato hanno lo stesso valore.

public:
 virtual bool Equals(System::Numerics::BigInteger other);
public bool Equals (System.Numerics.BigInteger other);
override this.Equals : System.Numerics.BigInteger -> bool
Public Function Equals (other As BigInteger) As Boolean

Parametri

other
BigInteger

Oggetto da confrontare.

Restituisce

Boolean

true se questo oggetto BigInteger e other hanno lo stesso valore; false in caso contrario.

Implementazioni

Equals(T)

Esempio

L'esempio seguente confronta la distanza approssimativa di diverse stelle dalla Terra con la distanza di Epsilon Indi dalla Terra per determinare se sono uguali. L'esempio usa ogni overload del metodo per testare l'uguaglianza Equals .

#using <System.Numerics.dll>

using namespace System;
using namespace System::Numerics;


void main()
{
   const Int64 LIGHT_YEAR = 5878625373183;

   BigInteger altairDistance = 17 * LIGHT_YEAR;
   BigInteger epsilonIndiDistance = 12 * LIGHT_YEAR;
   BigInteger ursaeMajoris47Distance = 46 * LIGHT_YEAR;
   Int64 tauCetiDistance = 12 * LIGHT_YEAR;
   UInt64 procyon2Distance = 12 * LIGHT_YEAR;
   Object^ wolf424ABDistance = 14 * LIGHT_YEAR;

   Console::WriteLine("Approx. equal distances from Epsilon Indi to:");
   Console::WriteLine("   Altair: {0}",
      epsilonIndiDistance.Equals(altairDistance));
   Console::WriteLine("   Ursae Majoris 47: {0}",
      epsilonIndiDistance.Equals(ursaeMajoris47Distance));
   Console::WriteLine("   TauCeti: {0}",
      epsilonIndiDistance.Equals(tauCetiDistance));
   Console::WriteLine("   Procyon 2: {0}",
      epsilonIndiDistance.Equals(procyon2Distance));
   Console::WriteLine("   Wolf 424 AB: {0}",
      epsilonIndiDistance.Equals(wolf424ABDistance));
}
/*
The example displays output like the following:
      Approx. equal distances from Epsilon Indi to:
      Altair: False
      Ursae Majoris 47: False
      TauCeti: True
      Procyon 2: True
      Wolf 424 AB: False
*/

const long LIGHT_YEAR = 5878625373183;

BigInteger altairDistance = 17 * LIGHT_YEAR;
BigInteger epsilonIndiDistance = 12 * LIGHT_YEAR;
BigInteger ursaeMajoris47Distance = 46 * LIGHT_YEAR;
long tauCetiDistance = 12 * LIGHT_YEAR;
ulong procyon2Distance = 12 * LIGHT_YEAR;
object wolf424ABDistance = 14 * LIGHT_YEAR;

Console.WriteLine("Approx. equal distances from Epsilon Indi to:");
Console.WriteLine("   Altair: {0}",
                  epsilonIndiDistance.Equals(altairDistance));
Console.WriteLine("   Ursae Majoris 47: {0}",
                  epsilonIndiDistance.Equals(ursaeMajoris47Distance));
Console.WriteLine("   TauCeti: {0}",
                  epsilonIndiDistance.Equals(tauCetiDistance));
Console.WriteLine("   Procyon 2: {0}",
                  epsilonIndiDistance.Equals(procyon2Distance));
Console.WriteLine("   Wolf 424 AB: {0}",
                  epsilonIndiDistance.Equals(wolf424ABDistance));
// The example displays the following output:
//    Approx. equal distances from Epsilon Indi to:
//       Altair: False
//       Ursae Majoris 47: False
//       TauCeti: True
//       Procyon 2: True
//       Wolf 424 AB: False

let LIGHT_YEAR = 5878625373183L

let altairDistance = 17I * bigint LIGHT_YEAR
let epsilonIndiDistance = 12I * bigint LIGHT_YEAR
let ursaeMajoris47Distance = 46I * bigint LIGHT_YEAR
let tauCetiDistance = 12L * LIGHT_YEAR
let procyon2Distance = 12uL * uint64 LIGHT_YEAR
let wolf424ABDistance = 14L * LIGHT_YEAR

printfn "Approx. equal distances from Epsilon Indi to:"
printfn $"   Altair: {epsilonIndiDistance.Equals(altairDistance)}"
printfn $"   Ursae Majoris 47: {epsilonIndiDistance.Equals(ursaeMajoris47Distance)}"
printfn $"   TauCeti: {epsilonIndiDistance.Equals(tauCetiDistance)}"
printfn $"   Procyon 2: {epsilonIndiDistance.Equals(procyon2Distance)}"
printfn $"   Wolf 424 AB: {epsilonIndiDistance.Equals(wolf424ABDistance)}"
// The example displays the following output:
//    Approx. equal distances from Epsilon Indi to:
//       Altair: False
//       Ursae Majoris 47: False
//       TauCeti: True
//       Procyon 2: True
//       Wolf 424 AB: False

   Const LIGHT_YEAR As Long = 5878625373183

   Dim altairDistance As BigInteger = 17 * LIGHT_YEAR
   Dim epsilonIndiDistance As BigInteger = 12 * LIGHT_YEAR
   Dim ursaeMajoris47Distance As BigInteger = 46 * LIGHT_YEAR
   Dim tauCetiDistance As BigInteger = 12 * LIGHT_YEAR
   Dim procyon2Distance As Long = 12 * LIGHT_YEAR
   Dim wolf424ABDistance As Object = 14 * LIGHT_YEAR
   
   Console.WriteLine("Approx. equal distances from Epsilon Indi to:")
   Console.WriteLine("   Altair: {0}", _
                     epsilonIndiDistance.Equals(altairDistance))
   Console.WriteLine("   Ursae Majoris 47: {0}", _
                     epsilonIndiDistance.Equals(ursaeMajoris47Distance))
   Console.WriteLine("   TauCeti: {0}", _
                     epsilonIndiDistance.Equals(tauCetiDistance))
   Console.WriteLine("   Procyon 2: {0}", _
                     epsilonIndiDistance.Equals(procyon2Distance))
   Console.WriteLine("   Wolf 424 AB: {0}", _
                     epsilonIndiDistance.Equals(wolf424ABDistance))
   ' The example displays the following output:
   '    Approx. equal distances from Epsilon Indi to:
   '       Altair: False
   '       Ursae Majoris 47: False
   '       TauCeti: True
   '       Procyon 2: True
   '       Wolf 424 AB: False

Commenti

Questo metodo implementa l'interfaccia ed esegue leggermente meglio di Equals(Object) perché non deve convertire il IEquatable<T>other parametro in un BigInteger oggetto.

Per determinare la relazione tra i due BigInteger oggetti invece di testare solo l'uguaglianza, chiamare il BigInteger.CompareTo(BigInteger) metodo .

Si applica a

Equals(Int64)

Origine:
BigInteger.cs
Origine:
BigInteger.cs
Origine:
BigInteger.cs

Restituisce un valore che indica se l'istanza corrente e un intero con segno a 64 bit hanno lo stesso valore.

public:
 bool Equals(long other);
public bool Equals (long other);
override this.Equals : int64 -> bool
Public Function Equals (other As Long) As Boolean

Parametri

other
Int64

Valore intero con segno a 64 bit da confrontare.

Restituisce

Boolean

true se il Signed Integer a 64 bit e l'istanza corrente hanno lo stesso valore; in caso contrario false.

Esempio

Nell'esempio seguente viene creata un'istanza di un BigInteger oggetto da ogni tipo integrale, ad eccezione UInt64di . Chiama quindi il Equals(Int64) metodo per confrontare il valore con il BigInteger valore intero originale passato al BigInteger costruttore. Come illustrato dall'output, i valori sono uguali in ogni caso.

#using <System.Numerics.dll>

using namespace System;
using namespace System::Numerics;

void main()
{
   BigInteger bigIntValue;

   Byte byteValue = 16;
   bigIntValue = BigInteger(byteValue);
   Console::WriteLine("{0} {1} = {2} {3} : {4}",
      bigIntValue.GetType()->Name, bigIntValue,
      byteValue.GetType()->Name, byteValue,
      bigIntValue.Equals((Int64)byteValue));

   SByte sbyteValue = -16;
   bigIntValue = BigInteger(sbyteValue);
   Console::WriteLine("{0} {1} = {2} {3} : {4}",
      bigIntValue.GetType()->Name, bigIntValue,
      sbyteValue.GetType()->Name, sbyteValue,
      bigIntValue.Equals((Int64)sbyteValue));

   Int16 shortValue = 1233;
   bigIntValue = BigInteger(shortValue);
   Console::WriteLine("{0} {1} = {2} {3} : {4}",
      bigIntValue.GetType()->Name, bigIntValue,
      shortValue.GetType()->Name, shortValue,
      bigIntValue.Equals((Int64)shortValue));

   UInt16 ushortValue = 64000;
   bigIntValue = BigInteger(ushortValue);
   Console::WriteLine("{0} {1} = {2} {3} : {4}",
      bigIntValue.GetType()->Name, bigIntValue,
      ushortValue.GetType()->Name, ushortValue,
      bigIntValue.Equals((Int64)ushortValue));

   int intValue = -1603854;
   bigIntValue = BigInteger(intValue);
   Console::WriteLine("{0} {1} = {2} {3} : {4}",
      bigIntValue.GetType()->Name, bigIntValue,
      intValue.GetType()->Name, intValue,
      bigIntValue.Equals((Int64)intValue));

   UInt32 uintValue = 1223300;
   bigIntValue = BigInteger(uintValue);
   Console::WriteLine("{0} {1} = {2} {3} : {4}",
      bigIntValue.GetType()->Name, bigIntValue,
      uintValue.GetType()->Name, uintValue,
      bigIntValue.Equals((Int64)uintValue));

   Int64 longValue = -123822229012;
   bigIntValue = BigInteger(longValue);
   Console::WriteLine("{0} {1} = {2} {3} : {4}",
      bigIntValue.GetType()->Name, bigIntValue,
      longValue.GetType()->Name, longValue,
      bigIntValue.Equals((Int64)longValue));
}
/* 
The example displays output like the following:
      BigInteger 16 = Byte 16 : True
      BigInteger -16 = SByte -16 : True
      BigInteger 1233 = Int16 1233 : True
      BigInteger 64000 = UInt16 64000 : True
      BigInteger -1603854 = Int32 -1603854 : True
      BigInteger 1223300 = UInt32 1223300 : True
      BigInteger -123822229012 = Int64 -123822229012 : True
*/

BigInteger bigIntValue;

byte byteValue = 16;
bigIntValue = new BigInteger(byteValue);
Console.WriteLine("{0} {1} = {2} {3} : {4}",
                  bigIntValue.GetType().Name, bigIntValue,
                  byteValue.GetType().Name, byteValue,
                  bigIntValue.Equals(byteValue));

sbyte sbyteValue = -16;
bigIntValue = new BigInteger(sbyteValue);
Console.WriteLine("{0} {1} = {2} {3} : {4}",
                  bigIntValue.GetType().Name, bigIntValue,
                  sbyteValue.GetType().Name, sbyteValue,
                  bigIntValue.Equals(sbyteValue));

short shortValue = 1233;
bigIntValue = new BigInteger(shortValue);
Console.WriteLine("{0} {1} = {2} {3} : {4}",
                  bigIntValue.GetType().Name, bigIntValue,
                  shortValue.GetType().Name, shortValue,
                  bigIntValue.Equals(shortValue));

ushort ushortValue = 64000;
bigIntValue = new BigInteger(ushortValue);
Console.WriteLine("{0} {1} = {2} {3} : {4}",
                  bigIntValue.GetType().Name, bigIntValue,
                  ushortValue.GetType().Name, ushortValue,
                  bigIntValue.Equals(ushortValue));

int intValue = -1603854;
bigIntValue = new BigInteger(intValue);
Console.WriteLine("{0} {1} = {2} {3} : {4}",
                  bigIntValue.GetType().Name, bigIntValue,
                  intValue.GetType().Name, intValue,
                  bigIntValue.Equals(intValue));

uint uintValue = 1223300;
bigIntValue = new BigInteger(uintValue);
Console.WriteLine("{0} {1} = {2} {3} : {4}",
                  bigIntValue.GetType().Name, bigIntValue,
                  uintValue.GetType().Name, uintValue,
                  bigIntValue.Equals(uintValue));

long longValue = -123822229012;
bigIntValue = new BigInteger(longValue);
Console.WriteLine("{0} {1} = {2} {3} : {4}",
                  bigIntValue.GetType().Name, bigIntValue,
                  longValue.GetType().Name, longValue,
                  bigIntValue.Equals(longValue));
// The example displays the following output:
//    BigInteger 16 = Byte 16 : True
//    BigInteger -16 = SByte -16 : True
//    BigInteger 1233 = Int16 1233 : True
//    BigInteger 64000 = UInt16 64000 : True
//    BigInteger -1603854 = Int32 -1603854 : True
//    BigInteger 1223300 = UInt32 1223300 : True
//    BigInteger -123822229012 = Int64 -123822229012 : True

let byteValue = 16uy
let bigIntValue = BigInteger byteValue

printfn
    $"{bigIntValue.GetType().Name} {bigIntValue} = {byteValue.GetType().Name} {byteValue} : {bigIntValue.Equals(byteValue)}"

let sbyteValue = -16y
let bigIntValue = BigInteger sbyteValue

printfn
    $"{bigIntValue.GetType().Name} {bigIntValue} = {sbyteValue.GetType().Name} {sbyteValue} : {bigIntValue.Equals(sbyteValue)}"

let shortValue = 1233s
let bigIntValue = BigInteger shortValue

printfn
    $"{bigIntValue.GetType().Name} {bigIntValue} = {shortValue.GetType().Name} {shortValue} : {bigIntValue.Equals(shortValue)}"

let ushortValue = 64000us
let bigIntValue = BigInteger ushortValue

printfn
    $"{bigIntValue.GetType().Name} {bigIntValue} = {ushortValue.GetType().Name} {ushortValue} : {bigIntValue.Equals(ushortValue)}"

let intValue = -1603854
let bigIntValue = BigInteger intValue

printfn
    $"{bigIntValue.GetType().Name} {bigIntValue} = {intValue.GetType().Name} {intValue} : {bigIntValue.Equals(intValue)}"

let uintValue = 1223300u
let bigIntValue = BigInteger uintValue

printfn
    $"{bigIntValue.GetType().Name} {bigIntValue} = {uintValue.GetType().Name} {uintValue} : {bigIntValue.Equals(uintValue)}"

let longValue = -123822229012L
let bigIntValue = BigInteger longValue

printfn
    $"{bigIntValue.GetType().Name} {bigIntValue} = {longValue.GetType().Name} {longValue} : {bigIntValue.Equals(longValue)}"
// The example displays the following output:
//    BigInteger 16 = Byte 16 : True
//    BigInteger -16 = SByte -16 : True
//    BigInteger 1233 = Int16 1233 : True
//    BigInteger 64000 = UInt16 64000 : True
//    BigInteger -1603854 = Int32 -1603854 : True
//    BigInteger 1223300 = UInt32 1223300 : True
//    BigInteger -123822229012 = Int64 -123822229012 : True

Dim bigIntValue As BigInteger 

Dim byteValue As Byte = 16
bigIntValue = New BigInteger(byteValue)
Console.WriteLine("{0} {1} = {2} {3} : {4}", 
                  bigIntValue.GetType().Name, bigIntValue,
                  byteValue.GetType().Name, byteValue, 
                  bigIntValue.Equals(byteValue))
                  
Dim sbyteValue As SByte = -16
bigIntValue = New BigInteger(sbyteValue)
Console.WriteLine("{0} {1} = {2} {3} : {4}", 
                  bigIntValue.GetType().Name, bigIntValue,
                  sbyteValue.GetType().Name, sbyteValue,
                  bigIntValue.Equals(sbyteValue))

Dim shortValue As Short = 1233
bigIntValue = New BigInteger(shortValue)
Console.WriteLine("{0} {1} = {2} {3} : {4}", 
                  bigIntValue.GetType().Name, bigIntValue,
                  shortValue.GetType().Name, shortValue, 
                  bigIntValue.Equals(shortValue))
      
Dim ushortValue As UShort = 64000
bigIntValue = New BigInteger(ushortValue)
Console.WriteLine("{0} {1} = {2} {3} : {4}", 
                  bigIntValue.GetType().Name, bigIntValue,
                  ushortValue.GetType().Name, ushortValue, 
                  bigIntValue.Equals(ushortValue))

Dim intValue As Integer = -1603854
bigIntValue = New BigInteger(intValue)
Console.WriteLine("{0} {1} = {2} {3} : {4}", 
                  bigIntValue.GetType().Name, bigIntValue,
                  intValue.GetType().Name, intValue, 
                  bigIntValue.Equals(intValue))

Dim uintValue As UInteger = 1223300
bigIntValue = New BigInteger(uintValue)
Console.WriteLine("{0} {1} = {2} {3} : {4}", 
                  bigIntValue.GetType().Name, bigIntValue,
                  uintValue.GetType().Name, uintValue, 
                  bigIntValue.Equals(uintValue))

Dim longValue As Long = -123822229012
bigIntValue = New BigInteger(longValue)
Console.WriteLine("{0} {1} = {2} {3} : {4}", 
                  bigIntValue.GetType().Name, bigIntValue,
                  longValue.GetType().Name, longValue, 
                  bigIntValue.Equals(longValue))
' The example displays the following output:
'    BigInteger 16 = Byte 16 : True
'    BigInteger -16 = SByte -16 : True
'    BigInteger 1233 = Int16 1233 : True
'    BigInteger 64000 = UInt16 64000 : True
'    BigInteger -1603854 = Int32 -1603854 : True
'    BigInteger 1223300 = UInt32 1223300 : True
'    BigInteger -123822229012 = Int64 -123822229012 : True

Commenti

Se other è un Bytevalore , Int32Int16UInt16SByteo o UInt32 viene convertito in modo implicito in un Int64 valore quando viene chiamato il metodo.

Per determinare la relazione tra i due oggetti invece di testare solo l'uguaglianza, chiamare il BigInteger.CompareTo(Int64) metodo .

Si applica a