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GRASS Programmer's Manual
6.5.svn(2014)-r66266
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#include <grass/datetime.h>
Go to the source code of this file.
Functions | |
| int | datetime_is_positive (const DateTime *dt) |
| Returns: 1 if the Datetime is positive 0 otherwise. More... | |
| int | datetime_is_negative (const DateTime *dt) |
| Returns: 1 if the DateTime is negative 0 otherwise. More... | |
| void | datetime_set_positive (DateTime *dt) |
| Makes the DateTime positive. (A.D. for ABSOLUTE DateTimes) More... | |
| void | datetime_set_negative (DateTime *dt) |
| Makes the DateTime negative. (B.C. for ABSOLUTE DateTimes) More... | |
| void | datetime_invert_sign (DateTime *dt) |
| void datetime_invert_sign | ( | DateTime * | dt | ) |
| dt |
Definition at line 80 of file sign.c.
Referenced by datetime_change_timezone(), and datetime_difference().
| int datetime_is_negative | ( | const DateTime * | dt | ) |
Returns: 1 if the DateTime is negative 0 otherwise.
| dt |
Definition at line 37 of file sign.c.
Referenced by datetime_format().
| int datetime_is_positive | ( | const DateTime * | dt | ) |
Returns: 1 if the Datetime is positive 0 otherwise.
| dt |
Definition at line 21 of file sign.c.
Referenced by datetime_check_day().
| void datetime_set_negative | ( | DateTime * | dt | ) |