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@@ -147,6 +147,7 @@ src/tablepar.h -text
 src/taxis.c -text
 src/taxis.h -text
 src/timebase.c -text
+src/timebase.h -text
 src/tsteps.c -text
 src/util.c -text
 src/util.h -text

src/timebase.h

+#ifndef  _TIMEBASE_H
+#define  _TIMEBASE_H
+
+/* date format:  YYYYMMDD */
+/* time format:  hhmm     */
+
+void decode_date(int date, int *year, int *month, int *day);
+int encode_date(int year, int month, int day);
+
+void decode_time(int time, int *hour, int *minute);
+int encode_time(int hour, int minute);
+
+void decode_julday(int julday, int *year, int *mon, int	*day);
+int encode_julday(int year, int month, int day);
+
+int date_to_julday(int date);
+int julday_to_date(int julday);
+
+int time_to_sec(int time);
+int sec_to_time(int secofday);
+
+void julday_add_seconds(int seconds, int *julday, int *secofday);
+void julday_add(int days, int secs, int *julday, int *secofday);
+int julday_sub(int julday1, int secofday1, int julday2, int secofday2, int *days, int *secs);
+
+void encode_juldaysec(int year, int month, int day, int hour, int minute, int *julday, int *secofday);
+void decode_juldaysec(int julday, int secofday, int *year, int *month, int *day, int *hour, int *minute);
+
+#endif  /* _TIMEBASE_H */