docstr: ...Test of ProxPositive
          
docstr_tok: ["...","Test","of","ProxPositive"]
code: def test_ProxPositive(self):
      """...Test of ProxPositive"""
      coeffs = self.coeffs.copy().astype(self.dtype)
  
      prox = ProxPositive().astype(self.dtype)
      out = coeffs.copy()
      out[out < 0] = 0
      self.assertAlmostEqual(prox.value(coeffs), 0.0, delta=self.delta)
      assert_almost_equal(prox.call(coeffs), out, decimal=10)
  
      prox = ProxPositive((3, 8)).astype(self.dtype)
      out = coeffs.copy()
      idx = out[3:8] < 0
      out[3:8][idx] = 0
      self.assertAlmostEqual(prox.value(coeffs), 0.0, delta=self.delta)
      assert_almost_equal(prox.call(coeffs), out, decimal=10)
  
file_path: tick/tick/prox/tests/prox_positive_test.py
imports: import unittest
  from numpy.testing import assert_almost_equal
  from tick.prox import ProxPositive
  from tick.prox.tests.prox import TestProx
label_desc: Use image node_id 1 for calling the ProxPositiveTest obj's underlying member method code with example usage: obj.test_ProxPositive() without return types