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clamp

Clamps the specified value to the specified minimum and maximum range.

ret clamp(x, min, max)

 

Parameters

ItemDescription

x

[in] A value to clamp.

min

[in] The specified minimum range.

max

[in] The specified maximum range.

 

Return Value

The clamped value for the x parameter.

Remarks

For values of -INF or INF, clamp will behave as expected. However for values of NaN, the results are undefined.

Type Description

Name Template Type Component Type Size
xscalar, vector, or matrix float, int any
minsame as input x float, int same dimension(s) as input x
maxsame as input x float, int same dimension(s) as input x
retsame as input x float, int same dimension(s) as input x

 

Minimum Shader Model

This function is supported in the following shader models.

Shader ModelSupported
Shader Model 2 (DirectX HLSL) and higher shader modelsyes
Shader Model 1 (DirectX HLSL) vs_1_1 and ps_1_4

 

See also

Intrinsic Functions (DirectX HLSL)

 

 

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