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ocssw
V2022
web
ocssw
ocssw_src
oel_util
libtimeutils
yds2unix.c
Go to the documentation of this file.
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#include <
timeutils.h
>
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/* -------------------------------------------------------------- */
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/* yds2unix() - converts year and day of year to secs since 1/1/70 */
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/* -------------------------------------------------------------- */
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double
yds2unix
(int16_t year, int16_t
day
,
double
secs) {
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double
usec;
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struct
tm
trec;
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time_t secSince;
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/* */
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/* calculate seconds from 1/1/70 to input year, day */
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/* and correct to GMT */
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/* */
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trec.tm_year = year - 1900;
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trec.tm_mon = 0;
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trec.tm_mday =
day
;
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trec.tm_hour = 0;
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trec.tm_min = 0;
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trec.tm_sec = 0;
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trec.tm_isdst = 0;
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secSince = mktime(&trec) -
gmt_offset
();
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/* */
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/* Now we total the seconds */
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/* */
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usec = secSince + secs;
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return
usec;
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}
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/* make a FORTRAN function */
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double
yds2unix_
(int16_t *year, int16_t *
day
,
double
*secs) {
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return
(
yds2unix
(*year, *
day
, *secs));
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}
day
int32_t day
Definition:
atrem_corl1v2.h:308
gmt_offset
time_t gmt_offset(void)
Definition:
gmt_offset.c:8
tm
float tm[MODELMAX]
Definition:
atrem_corl1v2.h:248
yds2unix
double yds2unix(int16_t year, int16_t day, double secs)
Definition:
yds2unix.c:7
yds2unix_
double yds2unix_(int16_t *year, int16_t *day, double *secs)
Definition:
yds2unix.c:34
timeutils.h
