code: def test_2drbf_regularity():
      tolerances = {
          "multiquadric": 0.1,
          "inverse multiquadric": 0.15,
          "gaussian": 0.15,
          "cubic": 0.15,
          "quintic": 0.1,
          "thin-plate": 0.15,
          "linear": 0.2,
      }
      for function in FUNCTIONS:
          check_2drbf1d_regularity(
              function, tolerances.get(function, 1e-2)
          )
  
imports: import numpy
  from numpy.testing import assert_, assert_array_almost_equal, assert_almost_equal
  from numpy import linspace, sin, cos, random, exp, allclose
  from scipy.interpolate._rbf import Rbf
label_desc: Use image node_id 12 for calling a global function with example usage: test_2drbf_regularity() without return types