The old Hindu Lunisolar calendar as given in CC.UE describes the South Indian version where months begin at New Moon (amanta scheme). More...

#include <OldHinduLuniSolarCalendar.hpp>

Public Slots
virtual void	retranslate () Q_DECL_OVERRIDE

virtual void	setJD (double JD) Q_DECL_OVERRIDE
	Set a calendar date from the Julian day number.

virtual void	setDate (QVector< int > parts) Q_DECL_OVERRIDE
	set date from a vector of calendar date elements sorted from the largest to the smallest. More...

virtual QStringList	getDateStrings () const Q_DECL_OVERRIDE
	get a stringlist of calendar date elements sorted from the largest to the smallest. More...

virtual QString	getFormattedDateString () const Q_DECL_OVERRIDE
	get a formatted complete string for a date

Public Slots inherited from OldHinduSolarCalendar
virtual void	retranslate () Q_DECL_OVERRIDE

virtual void	setJD (double JD) Q_DECL_OVERRIDE
	Set a calendar date from the Julian day number.

virtual void	setDate (QVector< int > parts) Q_DECL_OVERRIDE
	set date from a vector of calendar date elements sorted from the largest to the smallest. More...

virtual QStringList	getDateStrings () const Q_DECL_OVERRIDE
	get a stringlist of calendar date elements sorted from the largest to the smallest. More...

virtual QString	getFormattedDateString () const Q_DECL_OVERRIDE
	get a formatted complete string for a date

Public Slots inherited from Calendar
virtual void	retranslate ()=0
	Translate e.g. stringlists of part names.

virtual void	setJD (double JD)=0
	Set a calendar date from the Julian day number Subclasses set JD and compute the parts and possibly other data This triggers the partsChanged() signal.

virtual double	getJD () const
	Get Julian day number from a calendar date.

virtual void	setDate (QVector< int > parts)=0
	set date from a vector of calendar date elements sorted from the largest to the smallest. More...

virtual QVector< int >	getDate () const
	get a vector of calendar date elements sorted from the largest to the smallest. More...

virtual QStringList	getDateStrings () const =0
	get a stringlist of calendar date elements sorted from the largest to the smallest. More...

virtual QString	getFormattedDateString () const
	get a formatted complete string for a date. The default implementation just concatenates all strings from getDateStrings() with a space in between.

Public Member Functions
	OldHinduLuniSolarCalendar (double jd)

Public Member Functions inherited from OldHinduSolarCalendar
	OldHinduSolarCalendar (double jd)

void	setWeekdayStyle (int style)

void	setMonthStyle (int style)

Public Member Functions inherited from Calendar
	Calendar (double jd)

int	rdCorrSum (QVector< int >factors, int corr)

Static Public Member Functions
static int	fixedFromOldHinduLunar (QVector< int > parts)
	compute RD date from an Old Hindu Lunisolar date parts={ year, month, leap, day}

static QVector< int >	oldHinduLunarFromFixed (int rd)
	return { year, month, leap, day}

static bool	isLeap (int lYear)
	called old-hindu-lunar-leap-year?() in the CC.UE book.

Static Public Member Functions inherited from OldHinduSolarCalendar
static int	hinduDayCount (int rd)
	Return Hindu day count from RD.

static int	jovianYear (int rd)

static int	fixedFromOldHinduSolar (QVector< int > parts)
	year index in Jovian cycle [1..60]

static QVector< int >	oldHinduSolarFromFixed (int rd)

Static Public Member Functions inherited from Calendar
static double	momentFromJD (double jd, bool respectUTCoffset=true)
	Interfacing function from Reingold/Dershowitz: Calendrical Calculations Returns a "moment" in RD that represents JD. More...

static int	fixedFromMoment (double rd)

static double	timeFromMoment (double rd)

static int	fixedFromJD (double jd, bool respectUTCoffset=true)
	Interfacing function from Reingold/Dershowitz: Calendrical Calculations Returns a fixed date in RD that represents noon of JD. More...

static double	momentFromMJD (double mjd)

static double	jdFromMoment (double rd, bool respectUTCoffset=true)
	interfacing function from Reingold/Dershowitz: Calendrical Calculations Returns a JD from an RD "moment" (including fractions of day) Stellarium extension: optionally includes local time zone offset. More...

static double	jdFromFixed (double rd, bool respectUTCoffset=true)
	interfacing function from Reingold/Dershowitz: Calendrical Calculations Returns a JD from an RD "moment" (including fractions of day) Stellarium extension: optionally includes local time zone offset. More...

static double	mjdFromFixed (double rd)

static int	dayOfWeekFromFixed (int rd)
	weekday from RD date. CC.UE(1.60).

static int	kdayOnOrBefore (const Calendar::Day k, const int rd)
	@Returns the R.D. of the nearest weekday k on or before rd

static int	kdayOnOrAfter (const Calendar::Day k, const int rd)
	@Returns the R.D. of the nearest weekday k on or after rd

static int	kdayNearest (const Calendar::Day k, const int rd)
	@Returns the R.D. of the nearest weekday k around rd

static int	kdayBefore (const Calendar::Day k, const int rd)
	@Returns the R.D. of the nearest weekday k before rd

static int	kdayAfter (const Calendar::Day k, const int rd)
	@Returns the R.D. of the nearest weekday k after rd

static double	modInterval (double x, double a, double b)
	Interval modulus, CC.UE 1.24. More...

static int	modInterval (int x, int a, int b)
	Interval modulus, CC.UE 1.24: This EXCLUDES the upper limit! Use StelUtils::amod(x, b) for CC's (x)mod[1..b].

static int	rdCorrSum (QVector< int >parts, QVector< int >factors, int corr)
	Reingold-Dershowitz CC.UE 1.48.

static QVector< int >	toRadix (int num, QVector< int >radix)
	Split integer to mixed-radix vector. Reingold-Dershowitz CC.UE 1.42.

Static Protected Attributes
constexpr static const double	aryaLunarMonth = 1577917500./53433336.0

constexpr static const double	aryaLunarDay = aryaLunarMonth/30.0

static QMap< int, QString >	monthNames

Static Protected Attributes inherited from OldHinduSolarCalendar
static const int	hinduEpoch

constexpr static const double	aryaSolarYear = 1577917500./4320000.0

constexpr static const double	aryaSolarMonth = aryaSolarYear/12.0

constexpr static const double	aryaJovianPeriod = 1577917500./364224.0

static QMap< int, QString >	weekDayNames

static QMap< int, QString >	monthNames

static QMap< int, QString >	jovianNames

Additional Inherited Members
Public Types inherited from Calendar
enum	Day { sunday = 0, monday, tuesday, wednesday, thursday, friday, saturday }
	enum from CC.UE-ch1.12.

enum	Season { spring = 0, summer = 90, autumn = 180, winter = 270 }

Signals inherited from Calendar
void	partsChanged (QVector< int > parts)

void	jdChanged (double jd)

Static Public Attributes inherited from Calendar
constexpr static const double	J2000 =2451545.0

constexpr static const double	jdEpoch =-1721424.5

constexpr static const double	mjdEpoch =678576.0

constexpr static const int	bogus =-1000000

Protected Attributes inherited from Calendar
double	JD

QVector< int >	parts
	date expressed as JD(UT), including day fraction (ready to interact with the main application)

Detailed Description

The name of a lunar month depends on the solar month that begins during that lunar month. A month is leap and takes the following month’s name when no solar month begins within it. The calendar repeats after 180.000 years.

Member Function Documentation

◆ getDateStrings

virtual QStringList OldHinduLuniSolarCalendar::getDateStrings ( ) const

virtualslot

{Year, Month, MonthName, leap[0|1], Day, DayName}

◆ setDate

virtual void OldHinduLuniSolarCalendar::setDate ( QVector< int > parts )

virtualslot

Year-Month[1...12]-leap[0|1]-Day[1...30]

Public Slots

Public Member Functions

Static Public Member Functions

Static Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ getDateStrings

◆ setDate