TensorFlow 2 version

Computes exponential linear: exp(features) - 1 if < 0, features otherwise.

See Fast and Accurate Deep Network Learning by Exponential Linear Units (ELUs)

features A Tensor. Must be one of the following types: half, bfloat16, float32, float64.
name A name for the operation (optional).

A Tensor. Has the same type as features.