new_contents: #!/usr/bin/env python3
  #
  # Tests Transform functions in Pints
  #
  # This file is part of PINTS (https://github.com/pints-team/pints/) which is
  # released under the BSD 3-clause license. See accompanying LICENSE.md for
  # copyright notice and full license details.
  #
  from __future__ import division
  import unittest
  import pints
  import numpy as np
  
  
  class TestTransform(unittest.TestCase):
  
      def test_log_transform(self):
  
          # Test input parameters
          t1 = pints.LogTransform(1)
          t4 = pints.LogTransform(4)
  
          p = [0.1, 1., 10., 999.]
          x = [-2.3025850929940455, 0., 2.3025850929940459, 6.9067547786485539]
  
          # Test forward transform
          for xi, pi in zip(x, p):
              calc_xi = t1.to_search(pi)
              self.assertAlmostEqual(calc_xi, xi)
  
          # Test inverse transform
          for xi, pi in zip(x, p):
              calc_pi = t1.to_model(xi)
              self.assertAlmostEqual(calc_pi, pi)
  
          # Test n_parameters
          self.assertEqual(t1.n_parameters(), 1)
          self.assertEqual(t4.n_parameters(), 4)
  
          # Test Jacobian
  
          # Test log-Jacobian determinant
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Add first simple transformation tests