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1 | /* | ||
2 | *Copyright (c) 1986-2000, Hiram Clawson | ||
3 | *All rights reserved. | ||
4 | * | ||
5 | *Redistribution and use in source and binary forms, with or | ||
6 | *without modification, are permitted provided that the following | ||
7 | *conditions are met: | ||
8 | * | ||
9 | * Redistributions of source code must retain the above | ||
10 | * copyright notice, this list of conditions and the | ||
11 | * following disclaimer. | ||
12 | * | ||
13 | * Redistributions in binary form must reproduce the | ||
14 | * above copyright notice, this list of conditions and | ||
15 | * the following disclaimer in the documentation and/or | ||
16 | * other materials provided with the distribution. | ||
17 | * | ||
18 | * Neither name of The Museum of Hiram nor the names of | ||
19 | * its contributors may be used to endorse or promote products | ||
20 | * derived from this software without specific prior | ||
21 | * written permission. | ||
22 | * | ||
23 | *THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | ||
24 | *CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
25 | *INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
26 | *MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | ||
27 | *IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | ||
28 | *INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
29 | *(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
30 | *OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
31 | *HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
32 | *STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | ||
33 | *IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | ||
34 | *THE POSSIBILITY OF SUCH DAMAGE. | ||
35 | */ | ||
36 | |||
37 | /** | ||
38 | *@file astime.h | ||
39 | * @brief contains definitions of structures used for time calculations. | ||
40 | */ | ||
41 | |||
42 | #ifndef_astime_h_ | ||
43 | #define _astime_h_ | ||
44 | |||
45 | typedef struct ut_instant { | ||
46 | doublej_date; /**< julian decimal date, 0 = 01 Jan 4713 BC 12 HR UT */ | ||
47 | long year; /**< year, valid range [-4,713, +2,147,483,647] */ | ||
48 | int month; /**< [1-12]*/ | ||
49 | int day; /**< [1-31]*/ | ||
50 | int i_hour; /**< [0-23]*/ | ||
51 | int i_minute; /**< [0-59]*/ | ||
52 | int i_second; /**< [0-59]*/ | ||
53 | double d_hour; /**< [0.0-23.9999] includes minute and second */ | ||
54 | double d_minute; /**< [0.0-59.9999] includes second*/ | ||
55 | double d_second; /**< [0.0-59.9999]*/ | ||
56 | int weekday; /**< [0-6]*/ | ||
57 | int day_of_year; /**< [1-366]*/ | ||
58 | } UTinstant, * UTinstantPtr; | ||
59 | |||
60 | /* Functions in caldate.c*/ | ||
61 | |||
62 | long caldat( UTinstantPtr );/** converts julian date to year,mo,da */ | ||
63 | double juldat( UTinstantPtr );/** returns julian day from year,mo,da */ | ||
64 | |||
65 | #endif /* _astime_h_*/ | ||