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qsastime.h
Go to the documentation of this file.
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#ifndef _QSASTIME_H_
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#define _QSASTIME_H_
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//
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// This software originally contributed under the LGPL in January 2009 to
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// PLplot by the
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// Cluster Science Centre
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// QSAS team,
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// Imperial College, London
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// Copyright (C) 2009 Imperial College, London
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//
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// This file is part of PLplot.
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//
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// PLplot is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Library General Public License as published
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// by the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// PLplot is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public License
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// along with PLplot; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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//
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// MJD measures from the start of 17 Nov 1858
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// These utilities use the Gregorian calendar after 4 Oct 1582 (Julian) i.e. from 15 Oct 1582 Gregorian
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// Note C libraries use Gregorian only from 14 Sept 1752
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// More detailed discussion can be found at http://aa.usno.navy.mil/data/docs/JulianDate.php
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// These routines have been compared with the results of the US Naval Observatory online converter.
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// Modified Julian Date (MJD) = Julian Date (JD) - 2400000.5
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//
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// In all routines, specifying a day, hour, minute or second field greater than would be valid is
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// handled with modulo arithmetic and safe.
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// Thus 2006-12-32 00:62:00.0 will safely, and correctly, be treated as 2007-01-01 01:02:00.0
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//
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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// include header file for dll definitions
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#include "
qsastimedll.h
"
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struct
QSASConfigStruct
;
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typedef
struct
QSASConfigStruct
QSASConfig
;
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// externally accessible functions
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QSASTIMEDLLIMPEXP
void
configqsas
(
double
scale
,
double
offset1
,
double
offset2
,
int
ccontrol
,
int
ifbtime_offset,
int
year,
int
month,
int
day,
int
hour,
int
min
,
double
sec,
QSASConfig
**qsasconfig );
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QSASTIMEDLLIMPEXP
void
closeqsas
(
QSASConfig
**qsasconfig );
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QSASTIMEDLLIMPEXP
int
ctimeqsas
(
int
year,
int
month,
int
day,
int
hour,
int
min
,
double
sec,
double
* ctime,
QSASConfig
*qsasconfig );
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QSASTIMEDLLIMPEXP
void
btimeqsas
(
int
*year,
int
*month,
int
*day,
int
*hour,
int
*
min
,
double
*sec,
double
ctime,
QSASConfig
*qsasconfig );
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QSASTIMEDLLIMPEXP
size_t
strfqsas
(
char
*
buf
,
size_t
len,
const
char
*format,
double
ctime,
QSASConfig
*qsasconfig );
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#endif
plplot_source
lib
qsastime
qsastime.h
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