//------------------------------------------------------------------------------
//
//?SAT_Time.cpp
//?
//?Purpose:
//
//????Time?and?date?computation
//
//?Notes:
//
//???This?software?is?protected?by?national?and?international?copyright.?
//???Any?unauthorized?use?reproduction?or?modificaton?is?unlawful?and?
//???will?be?prosecuted.?Commercial?and?non-private?application?of?the?
//???software?in?any?form?is?strictly?prohibited?unless?otherwise?granted
//???by?the?authors.
//
//???The?code?is?provided?without?any?warranty;?without?even?the?implied?
//???warranty?of?merchantibility?or?fitness?for?a?particular?purpose.
//???
//?Last?modified:
//
//???2000/03/04??OMO??Final?version?（1st?edition）
//???2001/08/17??OMO??Minor?upgrades
//
//?（c）?1999-2001??O.?Montenbruck?E.?Gill
//
//------------------------------------------------------------------------------

#include?
#include?
#include?

#include?“SAT_Time.h“

#include?“GNU_iomanip.h“

using?namespace?std;


//------------------------------------------------------------------------------
//
//?Mjd
//
//?Purpose:
//
//???Modified?Julian?Date?from?calendar?date?and?time
//
//?Input/output:
//
//???Year??????Calendar?date?components
//???Month
//???Day
//???Hour??????Time?components?（optional）
//???Min
//???Sec
//?????Modified?Julian?Date
//
//------------------------------------------------------------------------------

double?Mjd?（?int?Year?int?Month?int?Day?int?Hour?int?Min?double?Sec?）
{
??//?Variables

??long????MjdMidnight;
??double??FracOfDay;
??int?????b;


??if?（Month<=2）?{?Month+=12;?--Year;}
??
??if?（?（10000L*Year+100L*Month+Day）?<=?15821004L?）
????b?=?-2?+?（（Year+4716）/4）?-?1179;?????//?Julian?calendar?
??else
????b?=?（Year/400）-（Year/100）+（Year/4）;??//?Gregorian?calendar?
????
??MjdMidnight?=?365L*Year?-?679004L?+?b?+?int（30.6001*（Month+1））?+?Day;
??FracOfDay???=?（Hour+Min/60.0+Sec/3600.0）?/?24.0;?

??return?MjdMidnight?+?FracOfDay;
}


//------------------------------------------------------------------------------
//
//?CalDat
//
//?Purpose:
//
//???Calendar?date?and?time?from?Modified?Julian?Date
//
//?Input/output:
//
//???Mjd???????Modified?Julian?Date
//???Year??????Calendar?date?components
//???Month
//???Day
//???Hour??????Time?components
//???Min
//???Sec
//
//------------------------------------------------------------------------------

void?CalDat?（?double?Mjd?
??????????????int&?Year?int&?Month?int&?Day??
??????????????int&?Hour?int&?Min?double&?Sec?）
{
??//?Variables
??long????abcdef;
??double??Hoursx;

??//?Convert?Julian?day?number?to?calendar?date
??a?=?long（Mjd+2400001.0）;

??if?（?a?????b?=?0;
????c?=?a?+?1524;
??}
??else?{????????????????//?Gregorian?calendar
????b?=?long（（a-1867216.25）/36524.25）;
????c?=?a?+??b?-?（b/4）?+?1525;
??}

??d?????=?long?（?（c-122.1）/365

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????4365??2014-05-25?10:19??Sat_Time\SAT_Time.cpp

?????文件???????2590??2014-05-25?10:19??Sat_Time\SAT_Time.h

?????目錄??????????0??2016-04-01?17:27??Sat_Time

-----------?---------??----------?-----??----

?????????????????6955????????????????????3