pow

Returns the specified value raised to the specified power.

ret pow(x, y)

Parameters

Item	Description
x	[in] The specified value.
y	[in] The specified power.

Return Value

The x parameter raised to the power of the y parameter.

Remarks

The pow HLSL intrinsic function calculates x^y.

X	Y	Result
< 0	any	NAN
> 0	== 0	1
== 0	> 0	0
== 0	< 0	inf
> 0	< 0	1/X-Y
== 0	== 0	Depends on the particular graphics processor 0, or 1, or NAN

Type Description

Name	Template Type	Component Type	Size
x	scalar, vector, or matrix	float	any
y	same as input x	float	same dimension(s) as input x
ret	same as input x	float	same dimension(s) as input x

Minimum Shader Model

This function is supported in the following shader models.

Shader Model	Supported
Shader Model 2 (DirectX HLSL) and higher shader models	yes
Shader Model 1 (DirectX HLSL)	yes (vs_1_1 only)

See also

Intrinsic Functions (DirectX HLSL)