dx-graphics-hlsl-exp2.md

title	description	ms.assetid	keywords	topic_type	api_name	api_location	api_type	ms.topic	ms.date
exp2 (Corecrt\_math.h)	Returns the base 2 exponential, or 2x, of the specified value.	68b0057c-864d-440b-84f6-781d5fa3b019	exp2 HLSL	apiref	exp2	corecrt_math.h	HeaderDef	reference	05/31/2018

exp2

Returns the base 2 exponential, or 2^x, of the specified value.

ret exp2(x)

Parameters

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

Return Value

The base 2 exponential of the x parameter.

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)	vs_1_1

Requirements

Requirement	Value
Header	Corecrt_math.h

See also

Intrinsic Functions (DirectX HLSL)