Math.Max 方法

参考

定义

命名空间:: System

程序集:: System.Runtime.Extensions.dll

程序集:: System.Runtime.dll

程序集:: mscorlib.dll

程序集:: netstandard.dll

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

返回两个指定数字中的较大值。

重载

Max(UInt64, UInt64)	返回两个 64 位无符号整数中的较大值。
Max(UInt32, UInt32)	返回两个 32 位无符号整数中的较大值。
Max(UInt16, UInt16)	返回两个 16 位无符号整数中的较大值。
Max(Single, Single)	返回两个单精度浮点数中的较大值。
Max(SByte, SByte)	返回两个 8 位有符号整数中的较大值。
Max(IntPtr, IntPtr)	返回两个本机有符号整数中的较大值。
Max(UIntPtr, UIntPtr)	返回两个本机无符号整数中的较大值。
Max(Int32, Int32)	返回两个 32 位有符号整数中的较大值。
Max(Int16, Int16)	返回两个 16 位有符号整数中的较大值。
Max(Double, Double)	返回两个双精度浮点数中的较大值。
Max(Decimal, Decimal)	返回两个十进制数字中的较大值。
Max(Byte, Byte)	返回两个 8 位无符号整数中的较大值。
Max(Int64, Int64)	返回两个 64 位有符号整数中的较大值。

示例

以下示例演示如何使用 Max 方法返回和显示两个变量中的更大值：

// This example demonstrates Math.Max()
using namespace System;
int main()
{
   String^ str = "{0}: The greater of {1,3} and {2,3} is {3}.";
   String^ nl = Environment::NewLine;
   Byte xByte1 = 1,xByte2 = 51;
   short xShort1 = -2,xShort2 = 52;
   int xInt1 = -3,xInt2 = 53;
   long xLong1 = -4,xLong2 = 54;
   float xSingle1 = 5.0f,xSingle2 = 55.0f;
   double xDouble1 = 6.0,xDouble2 = 56.0;
   Decimal xDecimal1 = 7,xDecimal2 = 57;
   
   // The following types are not CLS-compliant.
   SByte xSbyte1 = 101,xSbyte2 = 111;
   UInt16 xUshort1 = 102,xUshort2 = 112;
   UInt32 xUint1 = 103,xUint2 = 113;
   UInt64 xUlong1 = 104,xUlong2 = 114;
   Console::WriteLine( "{0}Display the greater of two values:{0}", nl );
   Console::WriteLine( str, "Byte   ", xByte1, xByte2, Math::Max( xByte1, xByte2 ) );
   Console::WriteLine( str, "Int16  ", xShort1, xShort2, Math::Max( xShort1, xShort2 ) );
   Console::WriteLine( str, "Int32  ", xInt1, xInt2, Math::Max( xInt1, xInt2 ) );
   Console::WriteLine( str, "Int64  ", xLong1, xLong2, Math::Max( xLong1, xLong2 ) );
   Console::WriteLine( str, "Single ", xSingle1, xSingle2, Math::Max( xSingle1, xSingle2 ) );
   Console::WriteLine( str, "Double ", xDouble1, xDouble2, Math::Max( xDouble1, xDouble2 ) );
   Console::WriteLine( str, "Decimal", xDecimal1, xDecimal2, Math::Max( xDecimal1, xDecimal2 ) );
   
   //
   Console::WriteLine( "{0}The following types are not CLS-compliant.{0}", nl );
   Console::WriteLine( str, "SByte  ", xSbyte1, xSbyte2, Math::Max( xSbyte1, xSbyte2 ) );
   Console::WriteLine( str, "UInt16 ", xUshort1, xUshort2, Math::Max( xUshort1, xUshort2 ) );
   Console::WriteLine( str, "UInt32 ", xUint1, xUint2, Math::Max( xUint1, xUint2 ) );
   Console::WriteLine( str, "UInt64 ", xUlong1, xUlong2, Math::Max( xUlong1, xUlong2 ) );
}

/*
This example produces the following results:

Display the greater of two values:

Byte   : The greater of   1 and  51 is 51.
Int16  : The greater of  -2 and  52 is 52.
Int32  : The greater of  -3 and  53 is 53.
Int64  : The greater of  -4 and  54 is 54.
Single : The greater of   5 and  55 is 55.
Double : The greater of   6 and  56 is 56.
Decimal: The greater of   7 and  57 is 57.

(The following types are not CLS-compliant.)

SByte  : The greater of 101 and 111 is 111.
UInt16 : The greater of 102 and 112 is 112.
UInt32 : The greater of 103 and 113 is 113.
UInt64 : The greater of 104 and 114 is 114.
*/

string str = "{0}: The greater of {1,3} and {2,3} is {3}.";

byte     xByte1    = 1,    xByte2    = 51;	
short    xShort1   = -2,   xShort2   = 52;
int      xInt1     = -3,   xInt2     = 53;
long     xLong1    = -4,   xLong2    = 54;
float    xSingle1  = 5.0f, xSingle2  = 55.0f;
double   xDouble1  = 6.0,  xDouble2  = 56.0;
Decimal  xDecimal1 = 7m,   xDecimal2 = 57m;

// The following types are not CLS-compliant.
sbyte    xSbyte1   = 101, xSbyte2  = 111;
ushort   xUshort1  = 102, xUshort2 = 112;
uint     xUint1    = 103, xUint2   = 113;
ulong    xUlong1   = 104, xUlong2  = 114;

Console.WriteLine("Display the greater of two values:\n");
Console.WriteLine(str, "Byte   ", xByte1, xByte2, Math.Max(xByte1, xByte2));
Console.WriteLine(str, "Int16  ", xShort1, xShort2, Math.Max(xShort1, xShort2));
Console.WriteLine(str, "Int32  ", xInt1, xInt2, Math.Max(xInt1, xInt2));
Console.WriteLine(str, "Int64  ", xLong1, xLong2, Math.Max(xLong1, xLong2));
Console.WriteLine(str, "Single ", xSingle1, xSingle2, Math.Max(xSingle1, xSingle2));
Console.WriteLine(str, "Double ", xDouble1, xDouble2, Math.Max(xDouble1, xDouble2));
Console.WriteLine(str, "Decimal", xDecimal1, xDecimal2, Math.Max(xDecimal1, xDecimal2));

Console.WriteLine("\nThe following types are not CLS-compliant.\n");
Console.WriteLine(str, "SByte  ", xSbyte1, xSbyte2, Math.Max(xSbyte1, xSbyte2));
Console.WriteLine(str, "UInt16 ", xUshort1, xUshort2, Math.Max(xUshort1, xUshort2));
Console.WriteLine(str, "UInt32 ", xUint1, xUint2, Math.Max(xUint1, xUint2));
Console.WriteLine(str, "UInt64 ", xUlong1, xUlong2, Math.Max(xUlong1, xUlong2));

/*
This example produces the following results:

Display the greater of two values:

Byte   : The greater of   1 and  51 is 51.
Int16  : The greater of  -2 and  52 is 52.
Int32  : The greater of  -3 and  53 is 53.
Int64  : The greater of  -4 and  54 is 54.
Single : The greater of   5 and  55 is 55.
Double : The greater of   6 and  56 is 56.
Decimal: The greater of   7 and  57 is 57.

(The following types are not CLS-compliant.)

SByte  : The greater of 101 and 111 is 111.
UInt16 : The greater of 102 and 112 is 112.
UInt32 : The greater of 103 and 113 is 113.
UInt64 : The greater of 104 and 114 is 114.
*/

open System

let print typ a b m = 
    printfn $"{typ}: The greater of {a,3} and {b,3} is {m}."

let xByte1,    xByte2    = 1uy, 51uy
let xShort1,   xShort2   = -2s, 52s
let xInt1,     xInt2     = -3,  53
let xLong1,    xLong2    = -4L, 54L
let xSingle1,  xSingle2  = 5f,  55f
let xDouble1,  xDouble2  = 6.,  56.
let xDecimal1, xDecimal2 = 7m,  57m

// The following types are not CLS-compliant.
let xSbyte1, xSbyte2   = 101y,  111y
let xUshort1, xUshort2 = 102us, 112us
let xUint1, xUint2     = 103u,  113u
let xUlong1, xUlong2   = 104uL, 114uL

printfn "Display the greater of two values:\n"
print "Byte   " xByte1 xByte2 (Math.Max(xByte1, xByte2))
print "Int16  " xShort1 xShort2 (Math.Max(xShort1, xShort2))
print "Int32  " xInt1 xInt2 (Math.Max(xInt1, xInt2))
print "Int64  " xLong1 xLong2 (Math.Max(xLong1, xLong2))
print "Single " xSingle1 xSingle2 (Math.Max(xSingle1, xSingle2))
print "Double " xDouble1 xDouble2 (Math.Max(xDouble1, xDouble2))
print "Decimal" xDecimal1 xDecimal2 (Math.Max(xDecimal1, xDecimal2))

printfn "\nThe following types are not CLS-compliant.\n"
print "SByte  " xSbyte1 xSbyte2 (Math.Max(xSbyte1, xSbyte2))
print "UInt16 " xUshort1 xUshort2 (Math.Max(xUshort1, xUshort2))
print "UInt32 " xUint1 xUint2 (Math.Max(xUint1, xUint2))
print "UInt64 " xUlong1 xUlong2 (Math.Max(xUlong1, xUlong2))

// This example produces the following results:
//     Display the greater of two values:
//    
//     Byte   : The greater of   1 and  51 is 51.
//     Int16  : The greater of  -2 and  52 is 52.
//     Int32  : The greater of  -3 and  53 is 53.
//     Int64  : The greater of  -4 and  54 is 54.
//     Single : The greater of   5 and  55 is 55.
//     Double : The greater of   6 and  56 is 56.
//     Decimal: The greater of   7 and  57 is 57.
//    
//     (The following types are not CLS-compliant.)
//    
//     SByte  : The greater of 101 and 111 is 111.
//     UInt16 : The greater of 102 and 112 is 112.
//     UInt32 : The greater of 103 and 113 is 113.
//     UInt64 : The greater of 104 and 114 is 114.

' This example demonstrates Math.Max()
Class Sample
   Public Shared Sub Main()
      Dim str As String = "{0}: The greater of {1,3} and {2,3} is {3}."
      Dim nl As String = Environment.NewLine
      
      Dim xByte1 As Byte = 1
      Dim xByte2 As Byte = 51
      Dim xShort1 As Short = - 2
      Dim xShort2 As Short = 52
      Dim xInt1 As Integer = - 3
      Dim xInt2 As Integer = 53
      Dim xLong1 As Long = - 4
      Dim xLong2 As Long = 54
      Dim xSingle1 As Single = 5F
      Dim xSingle2 As Single = 55F
      Dim xDouble1 As Double = 6.0
      Dim xDouble2 As Double = 56.0
      Dim xDecimal1 As [Decimal] = 7D
      Dim xDecimal2 As [Decimal] = 57D
      
      ' The following types are not CLS-compliant.
      Dim xSByte1 As SByte = 101
      Dim xSByte2 As SByte = 111
      Dim xUShort1 As UShort = 102
      Dim xUShort2 As UShort = 112
      Dim xUint1 As UInteger = 103
      Dim xUint2 As UInteger = 113
      Dim xUlong1 As ULong = 104
      Dim xUlong2 As ULong = 114
      
      Console.WriteLine("{0}Display the greater of two values:{0}", nl)
      Console.WriteLine(str, "Byte   ", xByte1, xByte2, Math.Max(xByte1, xByte2))
      Console.WriteLine(str, "Int16  ", xShort1, xShort2, Math.Max(xShort1, xShort2))
      Console.WriteLine(str, "Int32  ", xInt1, xInt2, Math.Max(xInt1, xInt2))
      Console.WriteLine(str, "Int64  ", xLong1, xLong2, Math.Max(xLong1, xLong2))
      Console.WriteLine(str, "Single ", xSingle1, xSingle2, Math.Max(xSingle1, xSingle2))
      Console.WriteLine(str, "Double ", xDouble1, xDouble2, Math.Max(xDouble1, xDouble2))
      Console.WriteLine(str, "Decimal", xDecimal1, xDecimal2, Math.Max(xDecimal1, xDecimal2))
      '
      Console.WriteLine("{0}(The following types are not CLS-compliant.){0}", nl)
      Console.WriteLine(str, "SByte  ", xSByte1, xSByte2, Math.Max(xSByte1, xSByte2))
      Console.WriteLine(str, "UInt16 ", xUShort1, xUShort2, Math.Max(xUShort1, xUShort2))
      Console.WriteLine(str, "UInt32 ", xUint1, xUint2, Math.Max(xUint1, xUint2))
      Console.WriteLine(str, "UInt64 ", xUlong1, xUlong2, Math.Max(xUlong1, xUlong2))
   End Sub
End Class
'
'This example produces the following results:
'
'Display the greater of two values:
'
'Byte   : The greater of   1 and  51 is 51.
'Int16  : The greater of  -2 and  52 is 52.
'Int32  : The greater of  -3 and  53 is 53.
'Int64  : The greater of  -4 and  54 is 54.
'Single : The greater of   5 and  55 is 55.
'Double : The greater of   6 and  56 is 56.
'Decimal: The greater of   7 and  57 is 57.
'
' (The following types are not CLS-compliant.)
' 
' SByte  : The greater of 101 and 111 is 111.
' UInt16 : The greater of 102 and 112 is 112.
' UInt32 : The greater of 103 and 113 is 113.
' UInt64 : The greater of 104 and 114 is 114.

Max(UInt64, UInt64)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

重要

此 API 不符合 CLS。

返回两个 64 位无符号整数中的较大值。

public:
 static System::UInt64 Max(System::UInt64 val1, System::UInt64 val2);

[System.CLSCompliant(false)]
public static ulong Max (ulong val1, ulong val2);

[<System.CLSCompliant(false)>]
static member Max : uint64 * uint64 -> uint64

Public Shared Function Max (val1 As ULong, val2 As ULong) As ULong

参数

val1: UInt64

要比较的两个 64 位无符号整数中的第一个。

val2: UInt64

要比较的两个 64 位无符号整数中的第二个。

UInt64

参数 val1 或 val2，以较大者为准。

属性: CLSCompliantAttribute

适用于

Max(UInt32, UInt32)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

重要

此 API 不符合 CLS。

返回两个 32 位无符号整数中的较大值。

public:
 static System::UInt32 Max(System::UInt32 val1, System::UInt32 val2);

[System.CLSCompliant(false)]
public static uint Max (uint val1, uint val2);

[<System.CLSCompliant(false)>]
static member Max : uint32 * uint32 -> uint32

Public Shared Function Max (val1 As UInteger, val2 As UInteger) As UInteger

参数

val1: UInt32

要比较的两个 32 位无符号整数中的第一个。

val2: UInt32

要比较的两个 32 位无符号整数中的第二个。

UInt32

参数 val1 或 val2，以较大者为准。

属性: CLSCompliantAttribute

适用于

Max(UInt16, UInt16)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

重要

此 API 不符合 CLS。

返回两个 16 位无符号整数中的较大值。

public:
 static System::UInt16 Max(System::UInt16 val1, System::UInt16 val2);

[System.CLSCompliant(false)]
public static ushort Max (ushort val1, ushort val2);

[<System.CLSCompliant(false)>]
static member Max : uint16 * uint16 -> uint16

Public Shared Function Max (val1 As UShort, val2 As UShort) As UShort

参数

val1: UInt16

要比较的两个 16 位无符号整数中的第一个。

val2: UInt16

要比较的两个 16 位无符号整数中的第二个。

UInt16

参数 val1 或 val2，以较大者为准。

属性: CLSCompliantAttribute

适用于

Max(Single, Single)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

返回两个单精度浮点数中的较大值。

public:
 static float Max(float val1, float val2);

public static float Max (float val1, float val2);

static member Max : single * single -> single

Public Shared Function Max (val1 As Single, val2 As Single) As Single

参数

val1: Single

要比较的两个单精度浮点数中的第一个。

val2: Single

要比较的两个单精度浮点数中的第二个。

Single

参数 val1 或 val2，以较大者为准。如果 val1或 val2，或者 val1 和 val2 都等于 NaN，则返回 NaN。

适用于

Max(SByte, SByte)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

重要

此 API 不符合 CLS。

返回两个 8 位有符号整数中的较大值。

public:
 static System::SByte Max(System::SByte val1, System::SByte val2);

[System.CLSCompliant(false)]
public static sbyte Max (sbyte val1, sbyte val2);

[<System.CLSCompliant(false)>]
static member Max : sbyte * sbyte -> sbyte

Public Shared Function Max (val1 As SByte, val2 As SByte) As SByte

参数

val1: SByte

要比较的两个 8 位有符号整数中的第一个。

val2: SByte

要比较的两个 8 位有符号整数中的第二个。

SByte

参数 val1 或 val2，以较大者为准。

属性: CLSCompliantAttribute

适用于

Max(IntPtr, IntPtr)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

返回两个本机有符号整数中的较大值。

public:
 static IntPtr Max(IntPtr val1, IntPtr val2);

public static nint Max (nint val1, nint val2);

public static IntPtr Max (IntPtr val1, IntPtr val2);

static member Max : nativeint * nativeint -> nativeint

Public Shared Function Max (val1 As IntPtr, val2 As IntPtr) As IntPtr

参数

val1: IntPtr
nint

nativeint

要比较的两个本机有符号整数中的第一个。

val2: IntPtr
nint

nativeint

要比较的两个本机有符号整数中的第二个。

IntPtr

nint

nativeint

参数 val1 或 val2，以较大者为准。

适用于

Max(UIntPtr, UIntPtr)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

重要

此 API 不符合 CLS。

返回两个本机无符号整数中的较大值。

public:
 static UIntPtr Max(UIntPtr val1, UIntPtr val2);

[System.CLSCompliant(false)]
public static nuint Max (nuint val1, nuint val2);

[System.CLSCompliant(false)]
public static UIntPtr Max (UIntPtr val1, UIntPtr val2);

[<System.CLSCompliant(false)>]
static member Max : unativeint * unativeint -> unativeint

Public Shared Function Max (val1 As UIntPtr, val2 As UIntPtr) As UIntPtr

参数

val1: UIntPtr
nuint

unativeint

要比较的两个本机无符号整数中的第一个。

val2: UIntPtr
nuint

unativeint

要比较的两个本机无符号整数中的第二个。

UIntPtr

nuint

unativeint

参数 val1 或 val2，以较大者为准。

属性: CLSCompliantAttribute

适用于

Max(Int32, Int32)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

返回两个 32 位有符号整数中的较大值。

public:
 static int Max(int val1, int val2);

public static int Max (int val1, int val2);

static member Max : int * int -> int

Public Shared Function Max (val1 As Integer, val2 As Integer) As Integer

参数

val1: Int32

要比较的两个 32 位有符号整数中的第一个。

val2: Int32

要比较的两个 32 位带符号整数中的第二个。

Int32

参数 val1 或 val2，以较大者为准。

适用于

Max(Int16, Int16)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

返回两个 16 位有符号整数中的较大值。

public:
 static short Max(short val1, short val2);

public static short Max (short val1, short val2);

static member Max : int16 * int16 -> int16

Public Shared Function Max (val1 As Short, val2 As Short) As Short

参数

val1: Int16

要比较的两个 16 位有符号整数中的第一个。

val2: Int16

要比较的两个 16 位带符号整数中的第二个。

Int16

参数 val1 或 val2，以较大者为准。

适用于

Max(Double, Double)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

返回两个双精度浮点数中的较大值。

public:
 static double Max(double val1, double val2);

public static double Max (double val1, double val2);

static member Max : double * double -> double

Public Shared Function Max (val1 As Double, val2 As Double) As Double

参数

val1: Double

要比较的两个双精度浮点数中的第一个。

val2: Double

要比较的两个双精度浮点数中的第二个。

Double

参数 val1 或 val2，以较大者为准。如果 val1、val2或两者 val1 和 val2 都等于 NaN，则返回 NaN。

适用于

Max(Decimal, Decimal)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

返回两个十进制数字中的较大值。

public:
 static System::Decimal Max(System::Decimal val1, System::Decimal val2);

public static decimal Max (decimal val1, decimal val2);

static member Max : decimal * decimal -> decimal

Public Shared Function Max (val1 As Decimal, val2 As Decimal) As Decimal

参数

val1: Decimal

要比较的两个十进制数中的第一个。

val2: Decimal

要比较的两个十进制数中的第二个。

Decimal

参数 val1 或 val2，以较大者为准。

适用于

Max(Byte, Byte)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

返回两个 8 位无符号整数中的较大值。

public:
 static System::Byte Max(System::Byte val1, System::Byte val2);

public static byte Max (byte val1, byte val2);

static member Max : byte * byte -> byte

Public Shared Function Max (val1 As Byte, val2 As Byte) As Byte

参数

val1: Byte

要比较的两个 8 位无符号整数中的第一个。

val2: Byte

要比较的两个 8 位无符号整数中的第二个。

Byte

参数 val1 或 val2，以较大者为准。

适用于

Max(Int64, Int64)

Source:: Math.cs

Source:: Math.cs

Source:: Math.cs

返回两个 64 位有符号整数中的较大值。

public:
 static long Max(long val1, long val2);

public static long Max (long val1, long val2);

static member Max : int64 * int64 -> int64

Public Shared Function Max (val1 As Long, val2 As Long) As Long

参数

val1: Int64

要比较的两个 64 位带符号整数中的第一个。

val2: Int64

要比较的两个 64 位带符号整数中的第二个。

Int64

参数 val1 或 val2，以较大者为准。

适用于

通过

Math.Max 方法

定义

重载

示例

Max(UInt64, UInt64)

参数

返回

适用于

Max(UInt32, UInt32)

参数

返回

适用于

Max(UInt16, UInt16)

参数

返回

适用于

Max(Single, Single)

参数

返回

适用于

Max(SByte, SByte)

参数

返回

适用于

Max(IntPtr, IntPtr)

参数

返回

适用于

Max(UIntPtr, UIntPtr)

参数

返回

适用于

Max(Int32, Int32)

参数

返回

适用于

Max(Int16, Int16)

参数

返回

适用于

Max(Double, Double)

参数

返回

适用于

Max(Decimal, Decimal)

参数

返回

适用于

Max(Byte, Byte)

参数

返回

适用于

Max(Int64, Int64)

参数

返回

适用于

其他资源