dx-graphics-hlsl-sqrt.md

title	description	ms.assetid	keywords	topic_type	api_name	api_type	ms.topic	ms.date	api_location
sqrt	Returns the square root of the specified floating-point value, per component.	e8debc60-1441-4974-9ab3-6d1c2217caaf	sqrt HLSL	apiref	sqrt	NA	reference	05/31/2018

sqrt

Returns the square root of the specified floating-point value, per component.

ret sqrt(x)

Parameters

Item	Description
x	[in] The specified floating-point value.

Return Value

The square root of the x parameter, per component.

Type Description

Name	Template Type	Component Type	Size
x	scalar, vector, or matrix	float	any
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)