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| author | Mark Dickinson <dickinsm@gmail.com> | 2010-05-23 13:33:13 (GMT) |
|---|---|---|
| committer | Mark Dickinson <dickinsm@gmail.com> | 2010-05-23 13:33:13 (GMT) |
| commit | dc787d2055a7b562b64ca91b8f1af6d49fa39f1c (patch) | |
| tree | f6a3868e8134c25c662868f19306bfea76b0ab45 /Misc/NEWS | |
| parent | 03721133a68814696e3eee75b1eb09f5016ff078 (diff) | |
| download | cpython-dc787d2055a7b562b64ca91b8f1af6d49fa39f1c.zip cpython-dc787d2055a7b562b64ca91b8f1af6d49fa39f1c.tar.gz cpython-dc787d2055a7b562b64ca91b8f1af6d49fa39f1c.tar.bz2 | |
Issue #8188: Introduce a new scheme for computing hashes of numbers
(instances of int, float, complex, decimal.Decimal and
fractions.Fraction) that makes it easy to maintain the invariant that
hash(x) == hash(y) whenever x and y have equal value.
Diffstat (limited to 'Misc/NEWS')
| -rw-r--r-- | Misc/NEWS | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -12,6 +12,11 @@ What's New in Python 3.2 Alpha 1? Core and Builtins ----------------- +- Issue #8188: Introduce a new scheme for computing hashes of numbers + (instances of int, float, complex, decimal.Decimal and + fractions.Fraction) that makes it easy to maintain the invariant + that hash(x) == hash(y) whenever x and y have equal value. + - Issue #8748: Fix two issues with comparisons between complex and integer objects. (1) The comparison could incorrectly return True in some cases (2**53+1 == complex(2**53) == 2**53), breaking transivity of equality. |