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Issue #23517: fromtimestamp() and utcfromtimestamp() methods of

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datetime.datetime now round microseconds to nearest with ties going to nearest
even integer (ROUND_HALF_EVEN), as round(float), instead of rounding towards
-Infinity (ROUND_FLOOR).

pytime API: replace _PyTime_ROUND_HALF_UP with _PyTime_ROUND_HALF_EVEN. Fix
also _PyTime_Divide() for negative numbers.

_PyTime_AsTimeval_impl() now reuses _PyTime_Divide() instead of reimplementing
rounding modes.
This commit is contained in:
Victor Stinner 2015-09-09 01:02:23 +02:00
parent 69cc487df4
commit 7667f58151
8 changed files with 148 additions and 185 deletions
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2
Modules/_testcapimodule.c
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@ -2648,7 +2648,7 @@ check_time_rounding(int round)
{
if (round != _PyTime_ROUND_FLOOR
&& round != _PyTime_ROUND_CEILING
&& round != _PyTime_ROUND_HALF_UP) {
&& round != _PyTime_ROUND_HALF_EVEN) {
PyErr_SetString(PyExc_ValueError, "invalid rounding");
return -1;
}