mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-31 14:07:50 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

bpo-37819: Add Fraction.as_integer_ratio() (GH-15212)

Browse source
This commit is contained in:
Raymond Hettinger 2019-08-11 14:40:59 -07:00 • committed by GitHub
parent 09a1872a80
commit f03b4c8a48
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 23 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Lib/test/test_fractions.py
View file

@ -302,6 +302,12 @@ class FractionTest(unittest.TestCase):
ValueError, "cannot convert NaN to integer ratio",
F.from_decimal, Decimal("snan"))
def test_as_integer_ratio(self):
self.assertEqual(F(4, 6).as_integer_ratio(), (2, 3))
self.assertEqual(F(-4, 6).as_integer_ratio(), (-2, 3))
self.assertEqual(F(4, -6).as_integer_ratio(), (-2, 3))
self.assertEqual(F(0, 6).as_integer_ratio(), (0, 1))
def testLimitDenominator(self):
rpi = F('3.1415926535897932')
self.assertEqual(rpi.limit_denominator(10000), F(355, 113))