code: def test_unscale_samples():
      """
      Simple test to unscale samples back to [0,1] range
      """
      params = np.array(
          [np.arange(10, 21, 1), np.arange(-10, 12, 2)], dtype=float
      ).T
      bounds = [[10, 20], [-10, 10]]
  
      desired = np.arange(0, 1.1, 0.1).repeat(2).reshape((11, 2))
      _unscale_samples(params, bounds)
      assert_allclose(params, desired, atol=1e-03, rtol=1e-03)
  
imports: from pytest import raises
  from numpy.testing import assert_equal, assert_allclose
  import numpy
  from scipy import stats
  import pytest
  from SALib.util import read_param_file, _scale_samples, _unscale_samples, compute_groups_matrix
  from SALib.sample import latin
label_desc: Use image node_id 11 for calling a global function with example usage: test_unscale_samples() without return types