8000 bpo-32968: Modulo and floor division involving Fraction and float should return float by elias6 · Pull Request #5956 · python/cpython · GitHub
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bpo-32968: Modulo and floor division involving Fraction and float should return float #5956

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Merged
merged 10 commits into from
Aug 27, 2018
Merged

bpo-32968: Modulo and floor division involving Fraction and float should return float #5956

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a4a004c
Fraction modulo infinity should behave consistently with other numbers
elias6 Mar 1, 2018
db3c797
Blurb for bpo-32968
elias6 Mar 1, 2018
1bd020c
Make Fraction floor division return float instead of int
elias6 Mar 1, 2018
1020bb2
Make floor division and modulo of fraction with float return a float
elias6 Mar 15, 2018
038664e
Change blurb
elias6 Mar 18, 2018
edbea71
Undo problematic change to fraction math operations
elias6 Mar 24, 2018
b3b678a
Make test less susceptible to floating-point variations, and closer t…
mdickinson Aug 25, 2018
4c087de
Add NEWS entry.
mdickinson Aug 25, 2018
7d3cce9
Update Misc/ACKS.
mdickinson Aug 25, 2018
1108ae5
Revert "Add NEWS entry."
mdickinson Aug 25, 2018
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Undo problematic change to fraction math operations 
Certain things, like adding math.inf to a fraction, will no longer raise an OverflowError.
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@elias6
elias6 committed Mar 24, 2018
commit edbea7117f0362d2f306e4ec5642c9bb606839c0
2 changes: 1 addition & 1 deletion Lib/fractions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -388,7 +388,7 @@ def reverse(b, a):
# Includes ints.
return monomorphic_operator(a, b)
elif isinstance(a, numbers.Real):
return float(fallback_operator(Fraction(a), b))
return fallback_operator(float(a), float(b))
elif isinstance(a, numbers.Complex):
return fallback_operator(complex(a), complex(b))
else:
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4 changes: 2 additions & 2 deletions Lib/test/test_fractions.py
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Expand Up @@ -404,12 +404,12 @@ def testMixedArithmetic(self):
self.assertTypedEquals(0.0, F(1, 10) // 1.0)
self.assertTypedEquals(10, 1 // F(1, 10))
self.assertTypedEquals(10**23, 10**22 // F(1, 10))
self.assertTypedEquals(10.0, 1.0 // F(1, 10))
self.assertTypedEquals(9.0, 1.0 // F(1, 10))

self.assertTypedEquals(F(1, 10), F(1, 10) % 1)
self.assertTypedEquals(0.1, F(1, 10) % 1.0)
self.assertTypedEquals(F(0, 1), 1 % F(1, 10))
self.assertTypedEquals(0.0, 1.0 % F(1, 10))
self.assertTypedEquals(0.09999999999999995, 1.0 % F(1, 10))
self.assertTypedEquals(0.1, F(1, 10) % float('inf'))
self.assertTypedEquals(float('-inf'), F(1, 10) % float('-inf'))
self.assertTypedEquals(float('inf'), F(-1, 10) % float('inf'))
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