code: def _test_array_mul(x, y):
      z = array_mul(x, y)
      assert_array_equal(z, x * y)
  
file_path: nipy/nipy/labs/bindings/tests/test_array.py
imports: import numpy
  from numpy.testing import assert_almost_equal, assert_array_equal
  from ..None import array_add, array_div, array_get, array_get_block, array_mul, array_sub
label_desc: Use image node_id 8 for calling a global function with example usage: _test_array_mul(x, y) without return types