1/*
2 * Legal Notice
3 *
4 * This document and associated source code (the "Work") is a part of a
5 * benchmark specification maintained by the TPC.
6 *
7 * The TPC reserves all right, title, and interest to the Work as provided
8 * under U.S. and international laws, including without limitation all patent
9 * and trademark rights therein.
10 *
11 * No Warranty
12 *
13 * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
14 * CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
15 * AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
16 * WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
17 * INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
18 * DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
19 * PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
20 * WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
21 * ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
22 * QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
23 * WITH REGARD TO THE WORK.
24 * 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
25 * ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
26 * COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
27 * OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
28 * INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
29 * OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
30 * RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
31 * ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
32 *
33 * Contributors:
34 * Gradient Systems
35 */
36#ifndef R_DATE_H
37#define R_DATE_H
38
39#ifdef __cplusplus
40extern "C" {
41#endif
42
43#include "mathops.h"
44
45typedef struct DATE_T {
46 int flags;
47 int year;
48 int month;
49 int day;
50 int julian;
51} date_t;
52
53date_t *mk_date(void);
54
55int jtodt(date_t *dest, int i);
56int strtodt(date_t *dest, char *s);
57int strtotime(char *str);
58
59char *dttostr(date_t *d);
60int dttoj(date_t *d);
61
62int date_t_op(date_t *dest, int o, date_t *d1, date_t *d2);
63int set_dow(date_t *d);
64int is_leap(int year);
65int day_number(date_t *d);
66int date_part(date_t *d, int p);
67int set_outfile(int i);
68int getDateWeightFromJulian(int jDay, int nDistribution);
69#define CENTURY_SHIFT 20 /* years before this are assumed to be 2000's */
70/*
71 * DATE OPERATORS
72 */
73#define OP_FIRST_DOM 0x01 /* get date of first day of current month */
74#define OP_LAST_DOM 0x02 /* get date of last day of current month; LY == 2/28) */
75#define OP_SAME_LY 0x03 /* get date for same day/month, last year */
76#define OP_SAME_LQ 0x04 /* get date for same offset in the prior quarter */
77
78extern char *weekday_names[];
79
80#ifdef __cplusplus
81}
82#endif
83
84#endif /* R_DATE_H */
85