# Math.Pow(Double, Double)Math.Pow(Double, Double)Math.Pow(Double, Double)Math.Pow(Double, Double) Method

## 定義

``````public:
static double Pow(double x, double y);``````
``public static double Pow (double x, double y);``
``static member Pow : double * double -> double``
``Public Shared Function Pow (x As Double, y As Double) As Double``
パラメーター
x
Double Double Double Double

y
Double Double Double Double

## 例

``````using System;

public class Example
{
public static void Main()
{
int value = 2;
for (int power = 0; power <= 32; power++)
Console.WriteLine("{0}^{1} = {2:N0} (0x{2:X})",
value, power, (long)Math.Pow(value, power));
}
}
// The example displays the following output:
//     2^0 = 1 (0x1)
//     2^1 = 2 (0x2)
//     2^2 = 4 (0x4)
//     2^3 = 8 (0x8)
//     2^4 = 16 (0x10)
//     2^5 = 32 (0x20)
//     2^6 = 64 (0x40)
//     2^7 = 128 (0x80)
//     2^8 = 256 (0x100)
//     2^9 = 512 (0x200)
//     2^10 = 1,024 (0x400)
//     2^11 = 2,048 (0x800)
//     2^12 = 4,096 (0x1000)
//     2^13 = 8,192 (0x2000)
//     2^14 = 16,384 (0x4000)
//     2^15 = 32,768 (0x8000)
//     2^16 = 65,536 (0x10000)
//     2^17 = 131,072 (0x20000)
//     2^18 = 262,144 (0x40000)
//     2^19 = 524,288 (0x80000)
//     2^20 = 1,048,576 (0x100000)
//     2^21 = 2,097,152 (0x200000)
//     2^22 = 4,194,304 (0x400000)
//     2^23 = 8,388,608 (0x800000)
//     2^24 = 16,777,216 (0x1000000)
//     2^25 = 33,554,432 (0x2000000)
//     2^26 = 67,108,864 (0x4000000)
//     2^27 = 134,217,728 (0x8000000)
//     2^28 = 268,435,456 (0x10000000)
//     2^29 = 536,870,912 (0x20000000)
//     2^30 = 1,073,741,824 (0x40000000)
//     2^31 = 2,147,483,648 (0x80000000)
//     2^32 = 4,294,967,296 (0x100000000)
``````
``````Public Module Example
Public Sub Main
Dim value As Integer = 2
For power As Integer = 0 To 32
Console.WriteLine("{0}^{1} = {2:N0} (0x{2:X})", _
value, power, CLng(Math.Pow(value, power)))
Next
End Sub
End Module
' The example displays the following output:
'     2^0 = 1 (0x1)
'     2^1 = 2 (0x2)
'     2^2 = 4 (0x4)
'     2^3 = 8 (0x8)
'     2^4 = 16 (0x10)
'     2^5 = 32 (0x20)
'     2^6 = 64 (0x40)
'     2^7 = 128 (0x80)
'     2^8 = 256 (0x100)
'     2^9 = 512 (0x200)
'     2^10 = 1,024 (0x400)
'     2^11 = 2,048 (0x800)
'     2^12 = 4,096 (0x1000)
'     2^13 = 8,192 (0x2000)
'     2^14 = 16,384 (0x4000)
'     2^15 = 32,768 (0x8000)
'     2^16 = 65,536 (0x10000)
'     2^17 = 131,072 (0x20000)
'     2^18 = 262,144 (0x40000)
'     2^19 = 524,288 (0x80000)
'     2^20 = 1,048,576 (0x100000)
'     2^21 = 2,097,152 (0x200000)
'     2^22 = 4,194,304 (0x400000)
'     2^23 = 8,388,608 (0x800000)
'     2^24 = 16,777,216 (0x1000000)
'     2^25 = 33,554,432 (0x2000000)
'     2^26 = 67,108,864 (0x4000000)
'     2^27 = 134,217,728 (0x8000000)
'     2^28 = 268,435,456 (0x10000000)
'     2^29 = 536,870,912 (0x20000000)
'     2^30 = 1,073,741,824 (0x40000000)
'     2^31 = 2,147,483,648 (0x80000000)
'     2^32 = 4,294,967,296 (0x100000000)
``````

## 注釈

さまざまな値または範囲の値を指定する、次の表は、戻り値を示します、`x``y`パラメーター。The following table indicates the return value when various values or ranges of values are specified for the `x` and `y` parameters. 詳細については、「Double.PositiveInfinityDouble.NegativeInfinityおよび「Double.NaN」を参照してください。For more information, see Double.PositiveInfinity, Double.NegativeInfinity, and Double.NaN.

パラメーターParameters 戻り値Return value
`x` または`y` = `NaN`します。`x` or `y` = `NaN`. `NaN`
`x` = すべての値を除く`NaN`;`y` = 0。`x` = Any value except `NaN`; `y` = 0. 11
`x` = `NegativeInfinity`; `y` < 0.`x` = `NegativeInfinity`; `y` < 0. 00
`x` = `NegativeInfinity`;`y`が奇数の正の整数。`x` = `NegativeInfinity`; `y` is a positive odd integer. `NegativeInfinity`
`x` = `NegativeInfinity`;`y`は正の値が奇数の整数ではありません。`x` = `NegativeInfinity`; `y` is positive but not an odd integer. `PositiveInfinity`
`x` < 0 なく`NegativeInfinity`;`y` 、整数ではない`NegativeInfinity`、または`PositiveInfinity`します。`x` < 0 but not `NegativeInfinity`; `y` is not an integer, `NegativeInfinity`, or `PositiveInfinity`. `NaN`
`x` =-1。`y` = `NegativeInfinity`または`PositiveInfinity`します。`x` = -1; `y` = `NegativeInfinity` or `PositiveInfinity`. `NaN`
-1 < `x` < 1 になります。`y` = `NegativeInfinity`.-1 < `x` < 1; `y` = `NegativeInfinity`. `PositiveInfinity`
-1 < `x` < 1 になります。`y` = `PositiveInfinity`.-1 < `x` < 1; `y` = `PositiveInfinity`. 00
`x` <-1 または`x`> 1 になります;`y` = `NegativeInfinity`.`x` < -1 or `x` > 1; `y` = `NegativeInfinity`. 00
`x` <-1 または`x`> 1 になります;`y` = `PositiveInfinity`.`x` < -1 or `x` > 1; `y` = `PositiveInfinity`. `PositiveInfinity`
`x` = 0; `y` < 0.`x` = 0; `y` < 0. `PositiveInfinity`
`x` = 0; `y` > 0.`x` = 0; `y` > 0. 00
`x` = 1 になります。`y`以外の値は、`NaN`します。`x` = 1; `y` is any value except `NaN`. 11
`x` = `PositiveInfinity`; `y` < 0.`x` = `PositiveInfinity`; `y` < 0. 00
`x` = `PositiveInfinity`;`y` > 0。`x` = `PositiveInfinity`; `y` > 0. `PositiveInfinity`