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Tanh shrink function.

Applies the element-wise function:

\[ \mathrm{tanhshrink}(x) = x - \tanh(x). \]


x = tf.constant([-1.0, 0.0, 1.0])
<tf.Tensor: shape=(3,), dtype=float32, numpy=array([-0.23840582,  0.        ,  0.23840582], dtype=float32)>

x A Tensor. Must be one of the following types: bfloat16, float16, float32, float64.

A Tensor. Has the same type as x.