Lines Matching defs:ratio
755 ratio = statistics._exact_ratio(x)
756 self.assertEqual(ratio, (x, None))
757 self.assertEqual(type(ratio[0]), type_)
758 self.assertTrue(math.isinf(ratio[0]))
765 ratio = statistics._exact_ratio(nan)
766 self.assertTrue(math.isnan(ratio[0]))
767 self.assertIs(ratio[1], None)
768 self.assertEqual(type(ratio[0]), type(nan))
776 ratio = statistics._exact_ratio(nan)
777 self.assertTrue(_nan_equal(ratio[0], nan))
778 self.assertIs(ratio[1], None)
779 self.assertEqual(type(ratio[0]), type(nan))