code: def test_poincare_ball_exp_specialisation(seeded):
      for _ in range(100):
          # curvature
          c, _vs = _generate(0)
          # tangent space (Euclidean) vectors
          _c, vs = _generate(17, euclidean_max_norm=1000)
  
          specialised = poincare_ball_exp(c, None, vs)
          assert specialised.shape == vs.shape
  
          actual = poincare_ball_exp(c, np.zeros_like(vs), vs)
          np.testing.assert_allclose(
              specialised.numpy(), actual.numpy()
          )
  
file_path: stellargraph/tests/utils/test_hyperbolic.py
imports: import pytest
  import numpy
  from stellargraph.utils.hyperbolic import *
label_desc: Use image node_id 3 for calling a global function with example usage: test_poincare_ball_exp_specialisation(seeded) without return types