class_docstr: Thresholded Linear Unit, c.f. https://arxiv.org/pdf/1911.09737.pdf .
docstr: Initializes this layer's single weight to zero.
docstr_tok: ["Initializes","this","layer","'s","single","weight","to","zero","."]
code: def init_weights_and_state(self, input_signature):
      """Initializes this layer's single weight to zero."""
      del input_signature
      self.weights = jnp.zeros((), dtype=jnp.float32)
  
imports: from trax import fastmath
  from trax.fastmath import numpy
  from trax.layers import base
  from trax.layers.assert_shape import assert_shape
  from trax.layers.base import Fn
label_desc: Use image node_id 1 for calling the ThresholdedLinearUnit obj's underlying member method code with example usage: obj.init_weights_and_state(input_signature) without return types