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Issue #21136: Avoid unnecessary normalization in Fractions resulting from power and other operations.

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This commit is contained in:
Mark Dickinson 2014-04-05 09:29:00 +01:00
parent 2a32200838
commit 3c286e2e0d
3 changed files with 19 additions and 10 deletions
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3
Lib/test/test_fractions.py
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@ -330,7 +330,6 @@ class FractionTest(unittest.TestCase):
self.assertTypedEquals(F(-2, 10), round(F(-15, 100), 1))
self.assertTypedEquals(F(-2, 10), round(F(-25, 100), 1))
def testArithmetic(self):
self.assertEqual(F(1, 2), F(1, 10) + F(2, 5))
self.assertEqual(F(-3, 10), F(1, 10) - F(2, 5))
@ -402,6 +401,8 @@ class FractionTest(unittest.TestCase):
self.assertTypedEquals(2.0 , 4 ** F(1, 2))
self.assertTypedEquals(0.25, 2.0 ** F(-2, 1))
self.assertTypedEquals(1.0 + 0j, (1.0 + 0j) ** F(1, 10))
self.assertRaises(ZeroDivisionError, operator.pow,
F(0, 1), -2)
def testMixingWithDecimal(self):
# Decimal refuses mixed arithmetic (but not mixed comparisons)