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Issue #22117: Add the new _PyTime_ROUND_FLOOR rounding method for the datetime

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module. time.clock_settime() now uses this rounding method instead of
_PyTime_ROUND_DOWN to handle correctly dates before 1970.
This commit is contained in:
Victor Stinner 2015-03-28 05:02:39 +01:00
parent b3b4544070
commit 02937aab13
5 changed files with 43 additions and 56 deletions
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11
Include/pytime.h
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@ -38,8 +38,12 @@ PyAPI_FUNC(void) _PyTime_gettimeofday(_PyTime_timeval *tp);
typedef enum {
/* Round towards zero. */
_PyTime_ROUND_DOWN=0,
/* Round away from zero. */
_PyTime_ROUND_UP
/* Round away from zero.
For example, used for timeout to wait "at least" N seconds. */
_PyTime_ROUND_UP,
/* Round towards minus infinity (-inf).
For example, used to read a clock. */
_PyTime_ROUND_FLOOR
} _PyTime_round_t;
/* Convert a number of seconds, int or float, to time_t. */
@ -81,6 +85,9 @@ PyAPI_FUNC(int) _PyTime_Init(void);
/****************** NEW _PyTime_t API **********************/
#ifdef PY_INT64_T
/* _PyTime_t: Python timestamp with subsecond precision. It can be used to
store a duration, and so indirectly a date (related to another date, like
UNIX epoch). */
typedef PY_INT64_T _PyTime_t;
#define _PyTime_MIN PY_LLONG_MIN
#define _PyTime_MAX PY_LLONG_MAX