sqrt (sm4 - asm)

Component-wise square root.

sqrt[_sat] dest[.mask], [-]src0[_abs][.swizzle]
Item Description
dest
[in] The result of the operation.
dest = sqrt(src0)
src0
[in] The components for which to take the square root.

Remarks

Precision is 1 ulp.

The following table shows the results obtained when executing the instruction with various classes of numbers, assuming that neither overflow or underflow occurs.

F means finite-real number.

-inf -F -denorm -0 +0 +denorm +F +inf NaN
dest NaN NaN -0 -0 +0 +0 +F +inf NaN

This instruction applies to the following shader stages:

Vertex Shader Geometry Shader Pixel Shader
x x x

Minimum Shader Model

This function is supported in the following shader models.

Shader Model Supported
Shader Model 5 yes
Shader Model 4.1 yes
Shader Model 4 yes
Shader Model 3 (DirectX HLSL) no
Shader Model 2 (DirectX HLSL) no
Shader Model 1 (DirectX HLSL) no

Shader Model 4 Assembly (DirectX HLSL)