Classes
struct	EphemerisCorrectionAlgorithmMap

Static Public Member Functions
static double	Angle (int degrees, int minutes, double seconds)

static double	AsDayFraction (double longitude)

static double	JulianCenturies (double moment)

static double	Midday (double date, double longitude)

static double	MiddayAtPersianObservationSite (double date)

static double	Compute (double time)

static double	AsSeason (double longitude)

Static Package Functions
static long	GetNumberOfDays (DateTime date)

static long	PersianNewYearOnOrBefore (long numberOfDays)

Private Types
enum	CorrectionAlgorithm { Default , Year1988to2019 , Year1900to1987 , Year1800to1899 , Year1700to1799 , Year1620to1699 }

Static Private Member Functions
static double	RadiansFromDegrees (double degree)

static double	SinOfDegree (double degree)

static double	CosOfDegree (double degree)

static double	TanOfDegree (double degree)

static double	Obliquity (double julianCenturies)

static int	GetGregorianYear (double numberOfDays)

static double	Reminder (double divisor, double dividend)

static double	NormalizeLongitude (double longitude)

static double	PolynomialSum (double[] coefficients, double indeterminate)

static double	CenturiesFrom1900 (int gregorianYear)

static double	DefaultEphemerisCorrection (int gregorianYear)

static double	EphemerisCorrection1988to2019 (int gregorianYear)

static double	EphemerisCorrection1900to1987 (int gregorianYear)

static double	EphemerisCorrection1800to1899 (int gregorianYear)

static double	EphemerisCorrection1700to1799 (int gregorianYear)

static double	EphemerisCorrection1620to1699 (int gregorianYear)

static double	EphemerisCorrection (double time)

static bool	IsNegative (double value)

static double	CopySign (double value, double sign)

static double	EquationOfTime (double time)

static double	AsLocalTime (double apparentMidday, double longitude)

static double	InitLongitude (double longitude)

static double	PeriodicTerm (double julianCenturies, int x, double y, double z)

static double	SumLongSequenceOfPeriodicTerms (double julianCenturies)

static double	Aberration (double julianCenturies)

static double	Nutation (double julianCenturies)

static double	EstimatePrior (double longitude, double time)

Static Private Attributes
static readonly long	s_startOf1810 = GetNumberOfDays(new DateTime(1810, 1, 1))

static readonly long	s_startOf1900Century = GetNumberOfDays(new DateTime(1900, 1, 1))

static readonly double[]	s_coefficients1900to1987 = new double[8] { -2E-05, 0.000297, 0.025184, -0.181133, 0.55304, -0.861938, 0.677066, -0.212591 }

static readonly double[]	s_coefficients1800to1899

static readonly double[]	s_coefficients1700to1799 = new double[4] { 8.118780842, -0.005092142, 0.003336121, -2.66484E-05 }

static readonly double[]	s_coefficients1620to1699 = new double[3] { 196.58333, -4.0675, 0.0219167 }

static readonly double[]	s_lambdaCoefficients = new double[3] { 280.46645, 36000.76983, 0.0003032 }

static readonly double[]	s_anomalyCoefficients = new double[4] { 357.5291, 35999.0503, -0.0001559, -4.8E-07 }

static readonly double[]	s_eccentricityCoefficients = new double[3] { 0.016708617, -4.2037E-05, -1.236E-07 }

static readonly double[]	s_coefficients

static readonly double[]	s_coefficientsA = new double[3] { 124.9, -1934.134, 0.002063 }

static readonly double[]	s_coefficientsB = new double[3] { 201.11, 72001.5377, 0.00057 }

static readonly EphemerisCorrectionAlgorithmMap[]	s_ephemerisCorrectionTable

Detailed Description

The documentation for this class was generated from the following file:

source/System.Private.CoreLib/System.Globalization/CalendricalCalculationsHelper.cs

Classes