text: # -*- coding: utf-8 -*-
  """ Test printing of scalar types.
  
  """
  
  import numpy as np
  from numpy.testing import TestCase, assert_, run_module_suite
  
  
  class TestRealScalars(TestCase):
      def test_str(self):
          svals = [0.0, -0.0, 1, -1, np.inf, -np.inf, np.nan]
          styps = [np.float16, np.float32, np.float64, np.longdouble]
          actual = [str(f(c)) for c in svals for f in styps]
          wanted = [
               '0.0',  '0.0',  '0.0',  '0.0',
               '-0.0', '-0.0', '-0.0', '-0.0',
               '1.0',  '1.0',  '1.0',  '1.0',
               '-1.0', '-1.0', '-1.0', '-1.0',
               'inf',  'inf',  'inf',  'inf',
               '-inf', '-inf', '-inf', '-inf',
               'nan',  'nan',  'nan',  'nan']
  
          for res, val in zip(actual, wanted):
              assert_(res == val)
  
  
  if __name__ == "__main__":
      run_module_suite()
  