Math.Sign Метод

Определение

Возвращает целое число, указывающее знак числа.Returns an integer that indicates the sign of a number.

Перегрузки

Sign(Single)

Возвращает целое число, обозначающее знак числа с плавающей запятой одиночной точности.Returns an integer that indicates the sign of a single-precision floating-point number.

Sign(SByte)

Возвращает целое число, указывающее знак 8-разрядного целого числа со знаком.Returns an integer that indicates the sign of an 8-bit signed integer.

Sign(Int32)

Возвращает целое число, указывающее знак 32-разрядного целого числа со знаком.Returns an integer that indicates the sign of a 32-bit signed integer.

Sign(Int64)

Возвращает целое число, указывающее знак 64-разрядного целого числа со знаком.Returns an integer that indicates the sign of a 64-bit signed integer.

Sign(Double)

Возвращает целое число, обозначающее знак числа двойной точности с плавающей запятой.Returns an integer that indicates the sign of a double-precision floating-point number.

Sign(Decimal)

Возвращает целое число, указывающее знак десятичного числа.Returns an integer that indicates the sign of a decimal number.

Sign(Int16)

Возвращает целое число, указывающее знак 16-разрядного целого числа со знаком.Returns an integer that indicates the sign of a 16-bit signed integer.

Sign(Single)

Возвращает целое число, обозначающее знак числа с плавающей запятой одиночной точности.Returns an integer that indicates the sign of a single-precision floating-point number.

public:
 static int Sign(float value);
public static int Sign (float value);
static member Sign : single -> int
Public Shared Function Sign (value As Single) As Integer

Параметры

value
Single

Число со знаком.A signed number.

Возвращаемое значение

Число, которое указывает знак значения value, как показано в следующей таблице.A number that indicates the sign of value, as shown in the following table.

Возвращаемое значениеReturn value ЗначениеMeaning
-1-1 Значение параметра value меньше нуля.value is less than zero.
00 Значение параметра value равно нулю.value is equal to zero.
11 Значение параметра value больше нуля.value is greater than zero.

Исключения

value равно NaN.value is equal to NaN.

Примеры

В следующем примере демонстрируется использование метода Sign(Single) для определения знака Singleого значения и его отображения в консоли.The following example demonstrates how to use the Sign(Single) method to determine the sign of a Single value and display it to the console.

// This example demonstrates Math.Sign()
using namespace System;
String^ Test( int compare )
{
   if ( compare == 0 )
      return "equal to";
   else
   if ( compare < 0 )
      return "less than";
   else
      return "greater than";
}

int main()
{
   String^ str = "{0}: {1,3} is {2} zero.";
   String^ nl = Environment::NewLine;
   Byte xByte1 = 0;
   short xShort1 = -2;
   int xInt1 = -3;
   long xLong1 = -4;
   float xSingle1 = 0.0f;
   double xDouble1 = 6.0;
   Decimal xDecimal1 = -7;
   
   // The following type is not CLS-compliant.
   SByte xSbyte1 = -101;
   Console::WriteLine( "{0}Test the sign of the following types of values:", nl );
   Console::WriteLine( str, "Byte   ", xByte1, Test( Math::Sign( xByte1 ) ) );
   Console::WriteLine( str, "Int16  ", xShort1, Test( Math::Sign( xShort1 ) ) );
   Console::WriteLine( str, "Int32  ", xInt1, Test( Math::Sign( xInt1 ) ) );
   Console::WriteLine( str, "Int64  ", xLong1, Test( Math::Sign( xLong1 ) ) );
   Console::WriteLine( str, "Single ", xSingle1, Test( Math::Sign( xSingle1 ) ) );
   Console::WriteLine( str, "Double ", xDouble1, Test( Math::Sign( xDouble1 ) ) );
   Console::WriteLine( str, "Decimal", xDecimal1, Test( Math::Sign( xDecimal1 ) ) );
   
   //
   Console::WriteLine( "{0}The following type is not CLS-compliant.", nl );
   Console::WriteLine( str, "SByte  ", xSbyte1, Test( Math::Sign( xSbyte1 ) ) );
}

/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
// This example demonstrates Math.Sign()
using System;

class Sample 
{
    public static void Main() 
    {
        string str = "{0}: {1,3} is {2} zero.";
        string nl = Environment.NewLine;
        byte     xByte1    = 0;
        short    xShort1   = -2;
        int      xInt1     = -3;
        long     xLong1    = -4;
        float    xSingle1  = 0.0f;
        double   xDouble1  = 6.0;
        Decimal  xDecimal1 = -7m;

        // The following type is not CLS-compliant.
        sbyte    xSbyte1   = -101;

        Console.WriteLine($"{nl}Test the sign of the following types of values:");
        Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)));
        Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)));
        Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)));
        Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)));
        Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)));
        Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)));
        Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)));

        Console.WriteLine($"{nl}The following type is not CLS-compliant.");
        Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)));
    }

    public static string Test(int compare)
    {
        if (compare == 0) 
            return "equal to";
        else if (compare < 0)  
            return "less than";
        else 
            return "greater than";
    }
}
/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
' This example demonstrates Math.Sign()
Class Sample
   Public Shared Sub Main()
      Dim str As String = "{0}: {1,3} is {2} zero."
      Dim nl As String = Environment.NewLine
      
      Dim xByte1 As Byte = 0
      Dim xShort1 As Short = -2
      Dim xInt1 As Integer = -3
      Dim xLong1 As Long = -4
      Dim xSingle1 As Single = 0F
      Dim xDouble1 As Double = 6.0
      Dim xDecimal1 As [Decimal] = -7D
      
      ' The following type is not CLS-compliant.
      Dim xSbyte1 As SByte = -101
      
      Console.WriteLine("{0}Test the sign of the following types of values:", nl)
      Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)))
      Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)))
      Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)))
      Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)))
      Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)))
      Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)))
      Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)))
      '
      Console.WriteLine("{0}The following type is not CLS-compliant.", nl)
      Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)))
   End Sub
   '
   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function 'Test
End Class
'
'This example produces the following results:
'
'Test the sign of the following types of values:
'Byte   :   0 is equal to zero.
'Int16  :  -2 is less than zero.
'Int32  :  -3 is less than zero.
'Int64  :  -4 is less than zero.
'Single :   0 is equal to zero.
'Double :   6 is greater than zero.
'Decimal:  -7 is less than zero.
'
'The following type is not CLS-compliant.
'SByte  : -101 is less than zero.

Sign(SByte)

Важно!

Этот API несовместим с CLS.

Возвращает целое число, указывающее знак 8-разрядного целого числа со знаком.Returns an integer that indicates the sign of an 8-bit signed integer.

public:
 static int Sign(System::SByte value);
[System.CLSCompliant(false)]
public static int Sign (sbyte value);
static member Sign : sbyte -> int
Public Shared Function Sign (value As SByte) As Integer

Параметры

value
SByte

Число со знаком.A signed number.

Возвращаемое значение

Число, которое указывает знак значения value, как показано в следующей таблице.A number that indicates the sign of value, as shown in the following table.

Возвращаемое значениеReturn value ЗначениеMeaning
-1-1 Значение параметра value меньше нуля.value is less than zero.
00 Значение параметра value равно нулю.value is equal to zero.
11 Значение параметра value больше нуля.value is greater than zero.
Атрибуты

Примеры

В следующем примере демонстрируется использование метода Sign(SByte) для определения знака SByteого значения и его отображения в консоли.The following example demonstrates how to use the Sign(SByte) method to determine the sign of an SByte value and display it to the console.

// This example demonstrates Math.Sign()
using namespace System;
String^ Test( int compare )
{
   if ( compare == 0 )
      return "equal to";
   else
   if ( compare < 0 )
      return "less than";
   else
      return "greater than";
}

int main()
{
   String^ str = "{0}: {1,3} is {2} zero.";
   String^ nl = Environment::NewLine;
   Byte xByte1 = 0;
   short xShort1 = -2;
   int xInt1 = -3;
   long xLong1 = -4;
   float xSingle1 = 0.0f;
   double xDouble1 = 6.0;
   Decimal xDecimal1 = -7;
   
   // The following type is not CLS-compliant.
   SByte xSbyte1 = -101;
   Console::WriteLine( "{0}Test the sign of the following types of values:", nl );
   Console::WriteLine( str, "Byte   ", xByte1, Test( Math::Sign( xByte1 ) ) );
   Console::WriteLine( str, "Int16  ", xShort1, Test( Math::Sign( xShort1 ) ) );
   Console::WriteLine( str, "Int32  ", xInt1, Test( Math::Sign( xInt1 ) ) );
   Console::WriteLine( str, "Int64  ", xLong1, Test( Math::Sign( xLong1 ) ) );
   Console::WriteLine( str, "Single ", xSingle1, Test( Math::Sign( xSingle1 ) ) );
   Console::WriteLine( str, "Double ", xDouble1, Test( Math::Sign( xDouble1 ) ) );
   Console::WriteLine( str, "Decimal", xDecimal1, Test( Math::Sign( xDecimal1 ) ) );
   
   //
   Console::WriteLine( "{0}The following type is not CLS-compliant.", nl );
   Console::WriteLine( str, "SByte  ", xSbyte1, Test( Math::Sign( xSbyte1 ) ) );
}

/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
// This example demonstrates Math.Sign()
using System;

class Sample 
{
    public static void Main() 
    {
        string str = "{0}: {1,3} is {2} zero.";
        string nl = Environment.NewLine;
        byte     xByte1    = 0;
        short    xShort1   = -2;
        int      xInt1     = -3;
        long     xLong1    = -4;
        float    xSingle1  = 0.0f;
        double   xDouble1  = 6.0;
        Decimal  xDecimal1 = -7m;

        // The following type is not CLS-compliant.
        sbyte    xSbyte1   = -101;

        Console.WriteLine($"{nl}Test the sign of the following types of values:");
        Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)));
        Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)));
        Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)));
        Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)));
        Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)));
        Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)));
        Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)));

        Console.WriteLine($"{nl}The following type is not CLS-compliant.");
        Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)));
    }

    public static string Test(int compare)
    {
        if (compare == 0) 
            return "equal to";
        else if (compare < 0)  
            return "less than";
        else 
            return "greater than";
    }
}
/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
' This example demonstrates Math.Sign()
Class Sample
   Public Shared Sub Main()
      Dim str As String = "{0}: {1,3} is {2} zero."
      Dim nl As String = Environment.NewLine
      
      Dim xByte1 As Byte = 0
      Dim xShort1 As Short = -2
      Dim xInt1 As Integer = -3
      Dim xLong1 As Long = -4
      Dim xSingle1 As Single = 0F
      Dim xDouble1 As Double = 6.0
      Dim xDecimal1 As [Decimal] = -7D
      
      ' The following type is not CLS-compliant.
      Dim xSbyte1 As SByte = -101
      
      Console.WriteLine("{0}Test the sign of the following types of values:", nl)
      Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)))
      Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)))
      Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)))
      Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)))
      Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)))
      Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)))
      Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)))
      '
      Console.WriteLine("{0}The following type is not CLS-compliant.", nl)
      Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)))
   End Sub
   '
   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function 'Test
End Class
'
'This example produces the following results:
'
'Test the sign of the following types of values:
'Byte   :   0 is equal to zero.
'Int16  :  -2 is less than zero.
'Int32  :  -3 is less than zero.
'Int64  :  -4 is less than zero.
'Single :   0 is equal to zero.
'Double :   6 is greater than zero.
'Decimal:  -7 is less than zero.
'
'The following type is not CLS-compliant.
'SByte  : -101 is less than zero.

Sign(Int32)

Возвращает целое число, указывающее знак 32-разрядного целого числа со знаком.Returns an integer that indicates the sign of a 32-bit signed integer.

public:
 static int Sign(int value);
public static int Sign (int value);
static member Sign : int -> int
Public Shared Function Sign (value As Integer) As Integer

Параметры

value
Int32

Число со знаком.A signed number.

Возвращаемое значение

Число, которое указывает знак значения value, как показано в следующей таблице.A number that indicates the sign of value, as shown in the following table.

Возвращаемое значениеReturn value ЗначениеMeaning
-1-1 Значение параметра value меньше нуля.value is less than zero.
00 Значение параметра value равно нулю.value is equal to zero.
11 Значение параметра value больше нуля.value is greater than zero.

Примеры

В следующем примере демонстрируется использование метода Sign(Int32) для определения знака Int32ого значения и его отображения в консоли.The following example demonstrates how to use the Sign(Int32) method to determine the sign of an Int32 value and display it to the console.

// This example demonstrates Math.Sign()
using namespace System;
String^ Test( int compare )
{
   if ( compare == 0 )
      return "equal to";
   else
   if ( compare < 0 )
      return "less than";
   else
      return "greater than";
}

int main()
{
   String^ str = "{0}: {1,3} is {2} zero.";
   String^ nl = Environment::NewLine;
   Byte xByte1 = 0;
   short xShort1 = -2;
   int xInt1 = -3;
   long xLong1 = -4;
   float xSingle1 = 0.0f;
   double xDouble1 = 6.0;
   Decimal xDecimal1 = -7;
   
   // The following type is not CLS-compliant.
   SByte xSbyte1 = -101;
   Console::WriteLine( "{0}Test the sign of the following types of values:", nl );
   Console::WriteLine( str, "Byte   ", xByte1, Test( Math::Sign( xByte1 ) ) );
   Console::WriteLine( str, "Int16  ", xShort1, Test( Math::Sign( xShort1 ) ) );
   Console::WriteLine( str, "Int32  ", xInt1, Test( Math::Sign( xInt1 ) ) );
   Console::WriteLine( str, "Int64  ", xLong1, Test( Math::Sign( xLong1 ) ) );
   Console::WriteLine( str, "Single ", xSingle1, Test( Math::Sign( xSingle1 ) ) );
   Console::WriteLine( str, "Double ", xDouble1, Test( Math::Sign( xDouble1 ) ) );
   Console::WriteLine( str, "Decimal", xDecimal1, Test( Math::Sign( xDecimal1 ) ) );
   
   //
   Console::WriteLine( "{0}The following type is not CLS-compliant.", nl );
   Console::WriteLine( str, "SByte  ", xSbyte1, Test( Math::Sign( xSbyte1 ) ) );
}

/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
// This example demonstrates Math.Sign()
using System;

class Sample 
{
    public static void Main() 
    {
        string str = "{0}: {1,3} is {2} zero.";
        string nl = Environment.NewLine;
        byte     xByte1    = 0;
        short    xShort1   = -2;
        int      xInt1     = -3;
        long     xLong1    = -4;
        float    xSingle1  = 0.0f;
        double   xDouble1  = 6.0;
        Decimal  xDecimal1 = -7m;

        // The following type is not CLS-compliant.
        sbyte    xSbyte1   = -101;

        Console.WriteLine($"{nl}Test the sign of the following types of values:");
        Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)));
        Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)));
        Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)));
        Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)));
        Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)));
        Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)));
        Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)));

        Console.WriteLine($"{nl}The following type is not CLS-compliant.");
        Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)));
    }

    public static string Test(int compare)
    {
        if (compare == 0) 
            return "equal to";
        else if (compare < 0)  
            return "less than";
        else 
            return "greater than";
    }
}
/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
' This example demonstrates Math.Sign()
Class Sample
   Public Shared Sub Main()
      Dim str As String = "{0}: {1,3} is {2} zero."
      Dim nl As String = Environment.NewLine
      
      Dim xByte1 As Byte = 0
      Dim xShort1 As Short = -2
      Dim xInt1 As Integer = -3
      Dim xLong1 As Long = -4
      Dim xSingle1 As Single = 0F
      Dim xDouble1 As Double = 6.0
      Dim xDecimal1 As [Decimal] = -7D
      
      ' The following type is not CLS-compliant.
      Dim xSbyte1 As SByte = -101
      
      Console.WriteLine("{0}Test the sign of the following types of values:", nl)
      Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)))
      Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)))
      Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)))
      Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)))
      Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)))
      Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)))
      Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)))
      '
      Console.WriteLine("{0}The following type is not CLS-compliant.", nl)
      Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)))
   End Sub
   '
   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function 'Test
End Class
'
'This example produces the following results:
'
'Test the sign of the following types of values:
'Byte   :   0 is equal to zero.
'Int16  :  -2 is less than zero.
'Int32  :  -3 is less than zero.
'Int64  :  -4 is less than zero.
'Single :   0 is equal to zero.
'Double :   6 is greater than zero.
'Decimal:  -7 is less than zero.
'
'The following type is not CLS-compliant.
'SByte  : -101 is less than zero.

Sign(Int64)

Возвращает целое число, указывающее знак 64-разрядного целого числа со знаком.Returns an integer that indicates the sign of a 64-bit signed integer.

public:
 static int Sign(long value);
public static int Sign (long value);
static member Sign : int64 -> int
Public Shared Function Sign (value As Long) As Integer

Параметры

value
Int64

Число со знаком.A signed number.

Возвращаемое значение

Число, которое указывает знак значения value, как показано в следующей таблице.A number that indicates the sign of value, as shown in the following table.

Возвращаемое значениеReturn value ЗначениеMeaning
-1-1 Значение параметра value меньше нуля.value is less than zero.
00 Значение параметра value равно нулю.value is equal to zero.
11 Значение параметра value больше нуля.value is greater than zero.

Примеры

В следующем примере демонстрируется использование метода Sign(Int64) для определения знака Int64ого значения и его отображения в консоли.The following example demonstrates how to use the Sign(Int64) method to determine the sign of an Int64 value and display it to the console.

// This example demonstrates Math.Sign()
using namespace System;
String^ Test( int compare )
{
   if ( compare == 0 )
      return "equal to";
   else
   if ( compare < 0 )
      return "less than";
   else
      return "greater than";
}

int main()
{
   String^ str = "{0}: {1,3} is {2} zero.";
   String^ nl = Environment::NewLine;
   Byte xByte1 = 0;
   short xShort1 = -2;
   int xInt1 = -3;
   long xLong1 = -4;
   float xSingle1 = 0.0f;
   double xDouble1 = 6.0;
   Decimal xDecimal1 = -7;
   
   // The following type is not CLS-compliant.
   SByte xSbyte1 = -101;
   Console::WriteLine( "{0}Test the sign of the following types of values:", nl );
   Console::WriteLine( str, "Byte   ", xByte1, Test( Math::Sign( xByte1 ) ) );
   Console::WriteLine( str, "Int16  ", xShort1, Test( Math::Sign( xShort1 ) ) );
   Console::WriteLine( str, "Int32  ", xInt1, Test( Math::Sign( xInt1 ) ) );
   Console::WriteLine( str, "Int64  ", xLong1, Test( Math::Sign( xLong1 ) ) );
   Console::WriteLine( str, "Single ", xSingle1, Test( Math::Sign( xSingle1 ) ) );
   Console::WriteLine( str, "Double ", xDouble1, Test( Math::Sign( xDouble1 ) ) );
   Console::WriteLine( str, "Decimal", xDecimal1, Test( Math::Sign( xDecimal1 ) ) );
   
   //
   Console::WriteLine( "{0}The following type is not CLS-compliant.", nl );
   Console::WriteLine( str, "SByte  ", xSbyte1, Test( Math::Sign( xSbyte1 ) ) );
}

/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
// This example demonstrates Math.Sign()
using System;

class Sample 
{
    public static void Main() 
    {
        string str = "{0}: {1,3} is {2} zero.";
        string nl = Environment.NewLine;
        byte     xByte1    = 0;
        short    xShort1   = -2;
        int      xInt1     = -3;
        long     xLong1    = -4;
        float    xSingle1  = 0.0f;
        double   xDouble1  = 6.0;
        Decimal  xDecimal1 = -7m;

        // The following type is not CLS-compliant.
        sbyte    xSbyte1   = -101;

        Console.WriteLine($"{nl}Test the sign of the following types of values:");
        Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)));
        Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)));
        Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)));
        Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)));
        Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)));
        Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)));
        Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)));

        Console.WriteLine($"{nl}The following type is not CLS-compliant.");
        Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)));
    }

    public static string Test(int compare)
    {
        if (compare == 0) 
            return "equal to";
        else if (compare < 0)  
            return "less than";
        else 
            return "greater than";
    }
}
/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
' This example demonstrates Math.Sign()
Class Sample
   Public Shared Sub Main()
      Dim str As String = "{0}: {1,3} is {2} zero."
      Dim nl As String = Environment.NewLine
      
      Dim xByte1 As Byte = 0
      Dim xShort1 As Short = -2
      Dim xInt1 As Integer = -3
      Dim xLong1 As Long = -4
      Dim xSingle1 As Single = 0F
      Dim xDouble1 As Double = 6.0
      Dim xDecimal1 As [Decimal] = -7D
      
      ' The following type is not CLS-compliant.
      Dim xSbyte1 As SByte = -101
      
      Console.WriteLine("{0}Test the sign of the following types of values:", nl)
      Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)))
      Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)))
      Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)))
      Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)))
      Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)))
      Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)))
      Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)))
      '
      Console.WriteLine("{0}The following type is not CLS-compliant.", nl)
      Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)))
   End Sub
   '
   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function 'Test
End Class
'
'This example produces the following results:
'
'Test the sign of the following types of values:
'Byte   :   0 is equal to zero.
'Int16  :  -2 is less than zero.
'Int32  :  -3 is less than zero.
'Int64  :  -4 is less than zero.
'Single :   0 is equal to zero.
'Double :   6 is greater than zero.
'Decimal:  -7 is less than zero.
'
'The following type is not CLS-compliant.
'SByte  : -101 is less than zero.

Sign(Double)

Возвращает целое число, обозначающее знак числа двойной точности с плавающей запятой.Returns an integer that indicates the sign of a double-precision floating-point number.

public:
 static int Sign(double value);
public static int Sign (double value);
static member Sign : double -> int
Public Shared Function Sign (value As Double) As Integer

Параметры

value
Double

Число со знаком.A signed number.

Возвращаемое значение

Число, которое указывает знак значения value, как показано в следующей таблице.A number that indicates the sign of value, as shown in the following table.

Возвращаемое значениеReturn value ЗначениеMeaning
-1-1 Значение параметра value меньше нуля.value is less than zero.
00 Значение параметра value равно нулю.value is equal to zero.
11 Значение параметра value больше нуля.value is greater than zero.

Исключения

value равно NaN.value is equal to NaN.

Примеры

В следующем примере демонстрируется использование метода Sign(Double) для определения знака Doubleого значения и его отображения в консоли.The following example demonstrates how to use the Sign(Double) method to determine the sign of a Double value and display it to the console.

// This example demonstrates Math.Sign()
using namespace System;
String^ Test( int compare )
{
   if ( compare == 0 )
      return "equal to";
   else
   if ( compare < 0 )
      return "less than";
   else
      return "greater than";
}

int main()
{
   String^ str = "{0}: {1,3} is {2} zero.";
   String^ nl = Environment::NewLine;
   Byte xByte1 = 0;
   short xShort1 = -2;
   int xInt1 = -3;
   long xLong1 = -4;
   float xSingle1 = 0.0f;
   double xDouble1 = 6.0;
   Decimal xDecimal1 = -7;
   
   // The following type is not CLS-compliant.
   SByte xSbyte1 = -101;
   Console::WriteLine( "{0}Test the sign of the following types of values:", nl );
   Console::WriteLine( str, "Byte   ", xByte1, Test( Math::Sign( xByte1 ) ) );
   Console::WriteLine( str, "Int16  ", xShort1, Test( Math::Sign( xShort1 ) ) );
   Console::WriteLine( str, "Int32  ", xInt1, Test( Math::Sign( xInt1 ) ) );
   Console::WriteLine( str, "Int64  ", xLong1, Test( Math::Sign( xLong1 ) ) );
   Console::WriteLine( str, "Single ", xSingle1, Test( Math::Sign( xSingle1 ) ) );
   Console::WriteLine( str, "Double ", xDouble1, Test( Math::Sign( xDouble1 ) ) );
   Console::WriteLine( str, "Decimal", xDecimal1, Test( Math::Sign( xDecimal1 ) ) );
   
   //
   Console::WriteLine( "{0}The following type is not CLS-compliant.", nl );
   Console::WriteLine( str, "SByte  ", xSbyte1, Test( Math::Sign( xSbyte1 ) ) );
}

/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
// This example demonstrates Math.Sign()
using System;

class Sample 
{
    public static void Main() 
    {
        string str = "{0}: {1,3} is {2} zero.";
        string nl = Environment.NewLine;
        byte     xByte1    = 0;
        short    xShort1   = -2;
        int      xInt1     = -3;
        long     xLong1    = -4;
        float    xSingle1  = 0.0f;
        double   xDouble1  = 6.0;
        Decimal  xDecimal1 = -7m;

        // The following type is not CLS-compliant.
        sbyte    xSbyte1   = -101;

        Console.WriteLine($"{nl}Test the sign of the following types of values:");
        Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)));
        Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)));
        Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)));
        Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)));
        Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)));
        Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)));
        Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)));

        Console.WriteLine($"{nl}The following type is not CLS-compliant.");
        Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)));
    }

    public static string Test(int compare)
    {
        if (compare == 0) 
            return "equal to";
        else if (compare < 0)  
            return "less than";
        else 
            return "greater than";
    }
}
/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
' This example demonstrates Math.Sign()
Class Sample
   Public Shared Sub Main()
      Dim str As String = "{0}: {1,3} is {2} zero."
      Dim nl As String = Environment.NewLine
      
      Dim xByte1 As Byte = 0
      Dim xShort1 As Short = -2
      Dim xInt1 As Integer = -3
      Dim xLong1 As Long = -4
      Dim xSingle1 As Single = 0F
      Dim xDouble1 As Double = 6.0
      Dim xDecimal1 As [Decimal] = -7D
      
      ' The following type is not CLS-compliant.
      Dim xSbyte1 As SByte = -101
      
      Console.WriteLine("{0}Test the sign of the following types of values:", nl)
      Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)))
      Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)))
      Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)))
      Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)))
      Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)))
      Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)))
      Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)))
      '
      Console.WriteLine("{0}The following type is not CLS-compliant.", nl)
      Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)))
   End Sub
   '
   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function 'Test
End Class
'
'This example produces the following results:
'
'Test the sign of the following types of values:
'Byte   :   0 is equal to zero.
'Int16  :  -2 is less than zero.
'Int32  :  -3 is less than zero.
'Int64  :  -4 is less than zero.
'Single :   0 is equal to zero.
'Double :   6 is greater than zero.
'Decimal:  -7 is less than zero.
'
'The following type is not CLS-compliant.
'SByte  : -101 is less than zero.

Sign(Decimal)

Возвращает целое число, указывающее знак десятичного числа.Returns an integer that indicates the sign of a decimal number.

public:
 static int Sign(System::Decimal value);
public static int Sign (decimal value);
static member Sign : decimal -> int
Public Shared Function Sign (value As Decimal) As Integer

Параметры

value
Decimal

Десятичное число со знаком.A signed decimal number.

Возвращаемое значение

Число, которое указывает знак значения value, как показано в следующей таблице.A number that indicates the sign of value, as shown in the following table.

Возвращаемое значениеReturn value ЗначениеMeaning
-1-1 Значение параметра value меньше нуля.value is less than zero.
00 Значение параметра value равно нулю.value is equal to zero.
11 Значение параметра value больше нуля.value is greater than zero.

Примеры

В следующем примере демонстрируется использование метода Sign(Decimal) для определения знака Decimalого значения и его отображения в консоли.The following example demonstrates how to use the Sign(Decimal) method to determine the sign of a Decimal value and display it to the console.

// This example demonstrates Math.Sign()
using namespace System;
String^ Test( int compare )
{
   if ( compare == 0 )
      return "equal to";
   else
   if ( compare < 0 )
      return "less than";
   else
      return "greater than";
}

int main()
{
   String^ str = "{0}: {1,3} is {2} zero.";
   String^ nl = Environment::NewLine;
   Byte xByte1 = 0;
   short xShort1 = -2;
   int xInt1 = -3;
   long xLong1 = -4;
   float xSingle1 = 0.0f;
   double xDouble1 = 6.0;
   Decimal xDecimal1 = -7;
   
   // The following type is not CLS-compliant.
   SByte xSbyte1 = -101;
   Console::WriteLine( "{0}Test the sign of the following types of values:", nl );
   Console::WriteLine( str, "Byte   ", xByte1, Test( Math::Sign( xByte1 ) ) );
   Console::WriteLine( str, "Int16  ", xShort1, Test( Math::Sign( xShort1 ) ) );
   Console::WriteLine( str, "Int32  ", xInt1, Test( Math::Sign( xInt1 ) ) );
   Console::WriteLine( str, "Int64  ", xLong1, Test( Math::Sign( xLong1 ) ) );
   Console::WriteLine( str, "Single ", xSingle1, Test( Math::Sign( xSingle1 ) ) );
   Console::WriteLine( str, "Double ", xDouble1, Test( Math::Sign( xDouble1 ) ) );
   Console::WriteLine( str, "Decimal", xDecimal1, Test( Math::Sign( xDecimal1 ) ) );
   
   //
   Console::WriteLine( "{0}The following type is not CLS-compliant.", nl );
   Console::WriteLine( str, "SByte  ", xSbyte1, Test( Math::Sign( xSbyte1 ) ) );
}

/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
// This example demonstrates Math.Sign()
using System;

class Sample 
{
    public static void Main() 
    {
        string str = "{0}: {1,3} is {2} zero.";
        string nl = Environment.NewLine;
        byte     xByte1    = 0;
        short    xShort1   = -2;
        int      xInt1     = -3;
        long     xLong1    = -4;
        float    xSingle1  = 0.0f;
        double   xDouble1  = 6.0;
        Decimal  xDecimal1 = -7m;

        // The following type is not CLS-compliant.
        sbyte    xSbyte1   = -101;

        Console.WriteLine($"{nl}Test the sign of the following types of values:");
        Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)));
        Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)));
        Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)));
        Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)));
        Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)));
        Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)));
        Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)));

        Console.WriteLine($"{nl}The following type is not CLS-compliant.");
        Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)));
    }

    public static string Test(int compare)
    {
        if (compare == 0) 
            return "equal to";
        else if (compare < 0)  
            return "less than";
        else 
            return "greater than";
    }
}
/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
' This example demonstrates Math.Sign()
Class Sample
   Public Shared Sub Main()
      Dim str As String = "{0}: {1,3} is {2} zero."
      Dim nl As String = Environment.NewLine
      
      Dim xByte1 As Byte = 0
      Dim xShort1 As Short = -2
      Dim xInt1 As Integer = -3
      Dim xLong1 As Long = -4
      Dim xSingle1 As Single = 0F
      Dim xDouble1 As Double = 6.0
      Dim xDecimal1 As [Decimal] = -7D
      
      ' The following type is not CLS-compliant.
      Dim xSbyte1 As SByte = -101
      
      Console.WriteLine("{0}Test the sign of the following types of values:", nl)
      Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)))
      Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)))
      Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)))
      Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)))
      Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)))
      Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)))
      Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)))
      '
      Console.WriteLine("{0}The following type is not CLS-compliant.", nl)
      Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)))
   End Sub
   '
   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function 'Test
End Class
'
'This example produces the following results:
'
'Test the sign of the following types of values:
'Byte   :   0 is equal to zero.
'Int16  :  -2 is less than zero.
'Int32  :  -3 is less than zero.
'Int64  :  -4 is less than zero.
'Single :   0 is equal to zero.
'Double :   6 is greater than zero.
'Decimal:  -7 is less than zero.
'
'The following type is not CLS-compliant.
'SByte  : -101 is less than zero.

Sign(Int16)

Возвращает целое число, указывающее знак 16-разрядного целого числа со знаком.Returns an integer that indicates the sign of a 16-bit signed integer.

public:
 static int Sign(short value);
public static int Sign (short value);
static member Sign : int16 -> int
Public Shared Function Sign (value As Short) As Integer

Параметры

value
Int16

Число со знаком.A signed number.

Возвращаемое значение

Число, которое указывает знак значения value, как показано в следующей таблице.A number that indicates the sign of value, as shown in the following table.

Возвращаемое значениеReturn value ЗначениеMeaning
-1-1 Значение параметра value меньше нуля.value is less than zero.
00 Значение параметра value равно нулю.value is equal to zero.
11 Значение параметра value больше нуля.value is greater than zero.

Примеры

В следующем примере демонстрируется использование метода Sign(Int16) для определения знака Int16ого значения и его отображения в консоли.The following example demonstrates how to use the Sign(Int16) method to determine the sign of an Int16 value and display it to the console.

// This example demonstrates Math.Sign()
using namespace System;
String^ Test( int compare )
{
   if ( compare == 0 )
      return "equal to";
   else
   if ( compare < 0 )
      return "less than";
   else
      return "greater than";
}

int main()
{
   String^ str = "{0}: {1,3} is {2} zero.";
   String^ nl = Environment::NewLine;
   Byte xByte1 = 0;
   short xShort1 = -2;
   int xInt1 = -3;
   long xLong1 = -4;
   float xSingle1 = 0.0f;
   double xDouble1 = 6.0;
   Decimal xDecimal1 = -7;
   
   // The following type is not CLS-compliant.
   SByte xSbyte1 = -101;
   Console::WriteLine( "{0}Test the sign of the following types of values:", nl );
   Console::WriteLine( str, "Byte   ", xByte1, Test( Math::Sign( xByte1 ) ) );
   Console::WriteLine( str, "Int16  ", xShort1, Test( Math::Sign( xShort1 ) ) );
   Console::WriteLine( str, "Int32  ", xInt1, Test( Math::Sign( xInt1 ) ) );
   Console::WriteLine( str, "Int64  ", xLong1, Test( Math::Sign( xLong1 ) ) );
   Console::WriteLine( str, "Single ", xSingle1, Test( Math::Sign( xSingle1 ) ) );
   Console::WriteLine( str, "Double ", xDouble1, Test( Math::Sign( xDouble1 ) ) );
   Console::WriteLine( str, "Decimal", xDecimal1, Test( Math::Sign( xDecimal1 ) ) );
   
   //
   Console::WriteLine( "{0}The following type is not CLS-compliant.", nl );
   Console::WriteLine( str, "SByte  ", xSbyte1, Test( Math::Sign( xSbyte1 ) ) );
}

/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
// This example demonstrates Math.Sign()
using System;

class Sample 
{
    public static void Main() 
    {
        string str = "{0}: {1,3} is {2} zero.";
        string nl = Environment.NewLine;
        byte     xByte1    = 0;
        short    xShort1   = -2;
        int      xInt1     = -3;
        long     xLong1    = -4;
        float    xSingle1  = 0.0f;
        double   xDouble1  = 6.0;
        Decimal  xDecimal1 = -7m;

        // The following type is not CLS-compliant.
        sbyte    xSbyte1   = -101;

        Console.WriteLine($"{nl}Test the sign of the following types of values:");
        Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)));
        Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)));
        Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)));
        Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)));
        Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)));
        Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)));
        Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)));

        Console.WriteLine($"{nl}The following type is not CLS-compliant.");
        Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)));
    }

    public static string Test(int compare)
    {
        if (compare == 0) 
            return "equal to";
        else if (compare < 0)  
            return "less than";
        else 
            return "greater than";
    }
}
/*
This example produces the following results:

Test the sign of the following types of values:
Byte   :   0 is equal to zero.
Int16  :  -2 is less than zero.
Int32  :  -3 is less than zero.
Int64  :  -4 is less than zero.
Single :   0 is equal to zero.
Double :   6 is greater than zero.
Decimal:  -7 is less than zero.

The following type is not CLS-compliant.
SByte  : -101 is less than zero.
*/
' This example demonstrates Math.Sign()
Class Sample
   Public Shared Sub Main()
      Dim str As String = "{0}: {1,3} is {2} zero."
      Dim nl As String = Environment.NewLine
      
      Dim xByte1 As Byte = 0
      Dim xShort1 As Short = -2
      Dim xInt1 As Integer = -3
      Dim xLong1 As Long = -4
      Dim xSingle1 As Single = 0F
      Dim xDouble1 As Double = 6.0
      Dim xDecimal1 As [Decimal] = -7D
      
      ' The following type is not CLS-compliant.
      Dim xSbyte1 As SByte = -101
      
      Console.WriteLine("{0}Test the sign of the following types of values:", nl)
      Console.WriteLine(str, "Byte   ", xByte1, Test(Math.Sign(xByte1)))
      Console.WriteLine(str, "Int16  ", xShort1, Test(Math.Sign(xShort1)))
      Console.WriteLine(str, "Int32  ", xInt1, Test(Math.Sign(xInt1)))
      Console.WriteLine(str, "Int64  ", xLong1, Test(Math.Sign(xLong1)))
      Console.WriteLine(str, "Single ", xSingle1, Test(Math.Sign(xSingle1)))
      Console.WriteLine(str, "Double ", xDouble1, Test(Math.Sign(xDouble1)))
      Console.WriteLine(str, "Decimal", xDecimal1, Test(Math.Sign(xDecimal1)))
      '
      Console.WriteLine("{0}The following type is not CLS-compliant.", nl)
      Console.WriteLine(str, "SByte  ", xSbyte1, Test(Math.Sign(xSbyte1)))
   End Sub
   '
   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function 'Test
End Class
'
'This example produces the following results:
'
'Test the sign of the following types of values:
'Byte   :   0 is equal to zero.
'Int16  :  -2 is less than zero.
'Int32  :  -3 is less than zero.
'Int64  :  -4 is less than zero.
'Single :   0 is equal to zero.
'Double :   6 is greater than zero.
'Decimal:  -7 is less than zero.
'
'The following type is not CLS-compliant.
'SByte  : -101 is less than zero.

Применяется к