code: def test_big_arrays(self):
      sample = np.zeros([100000000, 3])
      xbins = 400
      ybins = 400
      zbins = np.arange(16000)
      hist = np.histogramdd(sample=sample, bins=(xbins, ybins, zbins))
      assert_equal(type(hist), type((1, 2)))
  
imports: import numpy
  from numpy import histogram, histogramdd, histogram_bin_edges
  from numpy.testing import assert_, assert_equal, assert_array_equal, assert_almost_equal, assert_array_almost_equal, assert_raises, assert_allclose, assert_array_max_ulp, assert_raises_regex, suppress_warnings
  from numpy.testing._private.utils import requires_memory
  import pytest
label_desc: Use image node_id 32 for calling the TestHistogram obj's underlying member method code with example usage: obj.test_big_arrays() without return types