tf.keras.backend.hard_sigmoid(x)
Defined in tensorflow/python/keras/backend.py.
Segment-wise linear approximation of sigmoid.
Faster than sigmoid.
Returns 0. if x < -2.5, 1. if x > 2.5.
In -2.5 <= x <= 2.5, returns 0.2 * x + 0.5.
Arguments:
x: A tensor or variable.
Returns:
A tensor.