# Elu¶

## General¶

Elu operation applies following formula on every element of $$\src$$ tensor (the variable names follow the standard Naming Conventions):

$\begin{split}dst = \begin{cases} \alpha(e^{src} - 1) & \text{if}\ src < 0 \\ src & \text{if}\ src \ge 0 \end{cases}\end{split}$

## Operation attributes¶

Attribute Name

Descr

alpha

Scale for the negative factor.

f32

Arbitrary non-negative f32 value

Required

## Execution arguments¶

The inputs and outputs must be provided according to below index order when constructing an operation.

### Inputs¶

Index

Argu

0

src

Required

### Outputs¶

Index

Argu

0

dst

Required

## Supported data types¶

Elu operation supports the following data type combinations.

Src

D

f32

f32

bf16

bf16

f16

f16