def test_eps(self): """Test the P_cif.eps coordinates resolution. """ pcif = P_cif() pcif.eps = 1e-8 grph = pcif.parseFile(self.graphiteciffile) self.assertEqual(8, len(grph)) self.assertTrue(all(a.label.startswith('C1') for a in grph[:2])) self.assertTrue(all(a.label.startswith('C2') for a in grph[2:])) pcif2 = P_cif() pcif2.eps = 1e-3 grph2 = pcif2.parseFile(self.graphiteciffile) self.assertEqual(4, len(grph2)) return