code: def test_ilp64_bisplrep(self):
      check_free_memory(
          28000
      )  # VM size, doesn't actually use the pages
      x = np.linspace(0, 1, 400)
      y = np.linspace(0, 1, 400)
      x, y = np.meshgrid(x, y)
      z = np.zeros_like(x)
      tck = bisplrep(x, y, z, kx=3, ky=3, s=0)
      assert_allclose(bisplev(0.5, 0.5, tck), 0.0)
  
imports: import itertools
  import os
  import numpy
  from numpy.testing import assert_equal, assert_allclose, assert_, assert_almost_equal, assert_array_almost_equal
  from pytest import raises
  import pytest
  from scipy._lib._testutils import check_free_memory
  from scipy.interpolate import RectBivariateSpline
  from scipy.interpolate._fitpack_py import splrep, splev, bisplrep, bisplev, sproot, splprep, splint, spalde, splder, splantider, insert, dblint
  from scipy.interpolate.dfitpack import regrid_smth
  from scipy.interpolate._fitpack2 import dfitpack_int
label_desc: Use image node_id 3 for calling the TestBisplrep obj's underlying member method code with example usage: obj.test_ilp64_bisplrep() without return types