Author: Brian Kearns <bdkea...@gmail.com>
Branch: py3k
Changeset: r62265:555ca1703de0
Date: 2013-03-08 22:09 -0500
http://bitbucket.org/pypy/pypy/changeset/555ca1703de0/
Log: speed up datetime.timedelta(microseconds={float,long})
diff --git a/lib-python/3/datetime.py b/lib-python/3/datetime.py
--- a/lib-python/3/datetime.py
+++ b/lib-python/3/datetime.py
@@ -400,37 +400,28 @@
if isinstance(microseconds, float):
microseconds += usdouble
- microseconds = float(_round(microseconds))
- seconds, microseconds = divmod(microseconds, 1e6)
- assert microseconds == int(microseconds)
- assert seconds == int(seconds)
- days, seconds = divmod(seconds, 24.*3600.)
- assert days == int(days)
- assert seconds == int(seconds)
- d += int(days)
- s += int(seconds) # can't overflow
- assert isinstance(s, int)
- assert abs(s) <= 3 * 24 * 3600
- else:
+ microseconds = _round(microseconds)
seconds, microseconds = divmod(microseconds, 1000000)
days, seconds = divmod(seconds, 24*3600)
d += days
- s += int(seconds) # can't overflow
- assert isinstance(s, int)
- assert abs(s) <= 3 * 24 * 3600
- microseconds = float(microseconds)
+ s += int(seconds)
+ microseconds = int(microseconds)
+ else:
+ microseconds = int(microseconds)
+ seconds, microseconds = divmod(microseconds, 1000000)
+ days, seconds = divmod(seconds, 24*3600)
+ d += days
+ s += int(seconds)
microseconds += usdouble
- microseconds = float(_round(microseconds))
+ microseconds = _round(microseconds)
+ assert isinstance(s, int)
+ assert isinstance(microseconds, int)
assert abs(s) <= 3 * 24 * 3600
assert abs(microseconds) < 3.1e6
# Just a little bit of carrying possible for microseconds and seconds.
- assert isinstance(microseconds, float)
- assert int(microseconds) == microseconds
- us = int(microseconds)
- seconds, us = divmod(us, 1000000)
- s += seconds # cant't overflow
- assert isinstance(s, int)
+ seconds, us = divmod(microseconds, 1000000)
+ s += seconds
days, s = divmod(s, 24*3600)
d += days
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