com.ghasemkiani.util

Class PersianCalendarUtils

java.lang.Object

com.ghasemkiani.util.PersianCalendarUtils

public class PersianCalendarUtils
extends Object

This class contains some utility functions and constants used by other Persian Calendar classes.

Version:

2.1

Author:

Ghasem Kiani

Field Summary

Fields

Modifier and Type	Field and Description
static long	EPOCH Julian day corresponding to 1 Farvardin 1 A.H., corresponding to March 19, 622 A.D.

Constructor Summary

Constructors

Constructor and Description
PersianCalendarUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static int	d(long r) Extracts the day from a packed long value.
static long	div(double a, double b) An integer division function suitable for our purpose.
static int	m(long r) Extracts the month from a packed long value.
static long	mod(double a, double b) A modulo function suitable for our purpose.
static long	y(long r) Extracts the year from a packed long value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EPOCH

public static final long EPOCH

Julian day corresponding to 1 Farvardin 1 A.H., corresponding to March 19, 622 A.D. by the Julian version of the Gregorian calendar.

See Also:

Constant Field Values

Constructor Detail

PersianCalendarUtils

public PersianCalendarUtils()

Method Detail

mod

public static long mod(double a,
       double b)

A modulo function suitable for our purpose.

Parameters:

a - the dividend.

b - the divisor.

Returns:

the remainder of integer division.

div

public static long div(double a,
       double b)

An integer division function suitable for our purpose.

Parameters:

a - the dividend.

b - the divisor.

Returns:

the quotient of integer division.

y

public static long y(long r)

Extracts the year from a packed long value.

Parameters:

r - the packed long value.

Returns:

the year part of date.

m

public static int m(long r)

Extracts the month from a packed long value.

Parameters:

r - the packed long value .

Returns:

the month part of date.

d

public static int d(long r)

Extracts the day from a packed long value.

Parameters:

r - the packed long value.

Returns:

the day part of date.