docstr: ...Test of ProxZero
          
docstr_tok: ["...","Test","of","ProxZero"]
code: def test_ProxZero(self):
      """...Test of ProxZero"""
      coeffs = self.coeffs.copy().astype(self.dtype)
      out = coeffs.copy()
  
      prox = ProxZero().astype(self.dtype)
      self.assertAlmostEqual(prox.value(coeffs), 0.0, delta=1e-14)
      assert_almost_equal(prox.call(coeffs), out, decimal=10)
  
      prox = ProxZero((3, 8)).astype(self.dtype)
      self.assertAlmostEqual(prox.value(coeffs), 0.0, delta=1e-14)
      assert_almost_equal(prox.call(coeffs), out, decimal=10)
  
file_path: tick/tick/prox/tests/prox_zero_test.py
imports: import unittest
  from numpy.testing import assert_almost_equal
  from tick.prox import ProxZero
  from tick.prox.tests.prox import TestProx
label_desc: Use image node_id 1 for calling the ProxZeroTest obj's underlying member method code with example usage: obj.test_ProxZero() without return types