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sign

Returns the sign of x.

ret sign(x)

 

Parameters

ItemDescription

x

[in] The input value.

 

Return Value

Returns -1 if x is less than zero; 0 if x equals zero; and 1 if x is greater than zero.

Type Description

Name Template Type Component Type Size
xscalar, vector, or matrix float, int any
retsame as input x 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) yes (vs_1_1 and ps_1_4)

 

See also

Intrinsic Functions (DirectX HLSL)

 

 

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