code: def test_large_chebyshev(self, xp, scp, dtype):
      n = 100
      j = numpy.arange(n + 1, dtype=dtype).astype(numpy.float64)
      x = numpy.cos(j * numpy.pi / n)
  
      if xp is cupy:
          j = cupy.asarray(j)
          x = cupy.asarray(x)
      # The weights for Chebyshev points against SciPy counterpart
      return scp.interpolate.BarycentricInterpolator(x).wi
  
imports: import io
  import warnings
  import numpy
  import pytest
  import cupy
  from cupy.cuda import runtime
  from cupy import testing
  import cupyx.scipy.interpolate
  from cupyx.scipy.interpolate import CubicHermiteSpline
label_desc: Use image node_id 9 for calling the TestBarycentric obj's underlying member method code with example usage: obj.test_large_chebyshev(xp, scp, dtype) and returns: scp