Package gw.util

Class Rational

java.lang.Object

java.lang.Number

gw.util.Rational

All Implemented Interfaces:

ISequenceable<Rational,Rational,java.lang.Void>, java.io.Serializable, java.lang.Comparable<Rational>

public final class Rational
extends java.lang.Number
implements ISequenceable<Rational,Rational,java.lang.Void>, java.io.Serializable

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Rational.Serializer

Field Summary

Fields

Modifier and Type	Field	Description
private java.math.BigInteger	_denominator
private java.math.BigInteger	_numerator
private boolean	_reduced
static Rational	ONE
private static int	VERSION_1
static Rational	ZERO

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Rational(java.math.BigInteger numerator, java.math.BigInteger denominator, boolean reduced)

Method Summary

Modifier and Type	Method	Description
Rational	abs()
Rational	add(double d)
Rational	add(float f)
Rational	add(int i)
Rational	add(long l)
Rational	add(Rational rational)
Rational	add(java.math.BigDecimal bd)
Rational	add(java.math.BigInteger bg)
int	compareTo(Rational that)
Rational	divide(double d)
Rational	divide(float f)
Rational	divide(int i)
Rational	divide(long l)
Rational	divide(Rational rational)
Rational	divide(java.math.BigDecimal bd)
Rational	divide(java.math.BigInteger bi)
double	doubleValue()
boolean	equals(java.lang.Object that)
float	floatValue()
Rational	fractionPart()
static Rational	get(double d)
static Rational	get(float f)
static Rational	get(int numerator)
static Rational	get(int numerator, int denominator)
static Rational	get(long numerator)
static Rational	get(long numerator, long denominator)
static Rational	get(java.lang.String decimal)
static Rational	get(java.math.BigDecimal bd)
static Rational	get(java.math.BigInteger numerator)
static Rational	get(java.math.BigInteger numerator, java.math.BigInteger denominator)
private static Rational	get(java.math.BigInteger numerator, java.math.BigInteger denominator, boolean reduced)
java.math.BigInteger	getDenominator()
java.math.BigInteger	getNumerator()
int	hashCode()
int	intValue()
Rational	invert()
private static boolean	isDecimalString(java.lang.String decimal)
boolean	isInteger()
long	longValue()
Rational	modulo(double d)
Rational	modulo(float f)
Rational	modulo(int i)
Rational	modulo(long l)
Rational	modulo(Rational rational)
Rational	modulo(java.math.BigDecimal bd)
Rational	modulo(java.math.BigInteger bi)
Rational	multiply(double d)
Rational	multiply(float f)
Rational	multiply(int i)
Rational	multiply(long l)
Rational	multiply(Rational rational)
Rational	multiply(java.math.BigDecimal bd)
Rational	multiply(java.math.BigInteger bi)
Rational	negate()
Rational	nextInSequence(Rational step, java.lang.Void unit)
Rational	nextNthInSequence(Rational step, java.lang.Void unit, int iIndex)
Rational	pow(int exponent)
Rational	previousInSequence(Rational step, java.lang.Void unit)
Rational	previousNthInSequence(Rational step, java.lang.Void unit, int iIndex)
Rational	reduce()
Rational	root(int iRoot)
Rational	root(int n, int scale)
int	signum()
Rational	sqrt()
Rational	subtract(double d)
Rational	subtract(float f)
Rational	subtract(int i)
Rational	subtract(long l)
Rational	subtract(Rational rational)
Rational	subtract(java.math.BigDecimal bd)
Rational	subtract(java.math.BigInteger bi)
java.math.BigDecimal	toBigDecimal()
java.math.BigDecimal	toBigDecimal(java.math.MathContext mc)
java.math.BigInteger	toBigInteger()
java.lang.String	toDecimalString()
java.lang.String	toFractionString()
java.lang.String	toMixedString()
java.lang.String	toPlainDecimalString()
java.lang.String	toString()
java.math.BigInteger	wholePart()
private java.lang.Object	writeReplace()

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ZERO

public static final Rational ZERO

ONE

public static final Rational ONE

VERSION_1

private static final int VERSION_1

See Also:

Constant Field Values

_numerator

private final java.math.BigInteger _numerator

_denominator

private final java.math.BigInteger _denominator

_reduced

private boolean _reduced

Constructor Detail

Rational

private Rational(java.math.BigInteger numerator,
                 java.math.BigInteger denominator,
                 boolean reduced)

Method Detail

get

public static Rational get(int numerator)

get

public static Rational get(int numerator,
                           int denominator)

get

public static Rational get(long numerator)

get

public static Rational get(long numerator,
                           long denominator)

get

public static Rational get(float f)

get

public static Rational get(double d)

get

public static Rational get(java.math.BigInteger numerator)

get

public static Rational get(java.lang.String decimal)

isDecimalString

private static boolean isDecimalString(java.lang.String decimal)

get

public static Rational get(java.math.BigDecimal bd)

get

public static Rational get(java.math.BigInteger numerator,
                           java.math.BigInteger denominator)

get

private static Rational get(java.math.BigInteger numerator,
                            java.math.BigInteger denominator,
                            boolean reduced)

reduce

public Rational reduce()

getNumerator

public java.math.BigInteger getNumerator()

getDenominator

public java.math.BigInteger getDenominator()

wholePart

public java.math.BigInteger wholePart()

fractionPart

public Rational fractionPart()

intValue

public int intValue()

Specified by:

intValue in class java.lang.Number

longValue

public long longValue()

Specified by:

longValue in class java.lang.Number

doubleValue

public double doubleValue()

Specified by:

doubleValue in class java.lang.Number

floatValue

public float floatValue()

Specified by:

floatValue in class java.lang.Number

toBigInteger

public java.math.BigInteger toBigInteger()

toBigDecimal

public java.math.BigDecimal toBigDecimal()

toBigDecimal

public java.math.BigDecimal toBigDecimal(java.math.MathContext mc)

isInteger

public boolean isInteger()

add

public Rational add(int i)

add

public Rational add(long l)

add

public Rational add(float f)

add

public Rational add(double d)

add

public Rational add(java.math.BigInteger bg)

add

public Rational add(java.math.BigDecimal bd)

add

public Rational add(Rational rational)

subtract

public Rational subtract(int i)

subtract

public Rational subtract(long l)

subtract

public Rational subtract(float f)

subtract

public Rational subtract(double d)

subtract

public Rational subtract(java.math.BigInteger bi)

subtract

public Rational subtract(java.math.BigDecimal bd)

subtract

public Rational subtract(Rational rational)

multiply

public Rational multiply(int i)

multiply

public Rational multiply(long l)

multiply

public Rational multiply(float f)

multiply

public Rational multiply(double d)

multiply

public Rational multiply(java.math.BigInteger bi)

multiply

public Rational multiply(java.math.BigDecimal bd)

multiply

public Rational multiply(Rational rational)

divide

public Rational divide(int i)

divide

public Rational divide(long l)

divide

public Rational divide(float f)

divide

public Rational divide(double d)

divide

public Rational divide(java.math.BigInteger bi)

divide

public Rational divide(java.math.BigDecimal bd)

divide

public Rational divide(Rational rational)

modulo

public Rational modulo(int i)

modulo

public Rational modulo(long l)

modulo

public Rational modulo(float f)

modulo

public Rational modulo(double d)

modulo

public Rational modulo(java.math.BigInteger bi)

modulo

public Rational modulo(java.math.BigDecimal bd)

modulo

public Rational modulo(Rational rational)

negate

public Rational negate()

invert

public Rational invert()

abs

public Rational abs()

pow

public Rational pow(int exponent)

root

public Rational root(int iRoot)

root

public Rational root(int n,
                     int scale)

sqrt

public Rational sqrt()

nextInSequence

public Rational nextInSequence(Rational step,
                               java.lang.Void unit)

Specified by:

nextInSequence in interface ISequenceable<Rational,Rational,java.lang.Void>

nextNthInSequence

public Rational nextNthInSequence(Rational step,
                                  java.lang.Void unit,
                                  int iIndex)

Specified by:

nextNthInSequence in interface ISequenceable<Rational,Rational,java.lang.Void>

previousInSequence

public Rational previousInSequence(Rational step,
                                   java.lang.Void unit)

Specified by:

previousInSequence in interface ISequenceable<Rational,Rational,java.lang.Void>

previousNthInSequence

public Rational previousNthInSequence(Rational step,
                                      java.lang.Void unit,
                                      int iIndex)

Specified by:

previousNthInSequence in interface ISequenceable<Rational,Rational,java.lang.Void>

compareTo

public int compareTo(Rational that)

Specified by:

compareTo in interface java.lang.Comparable<Rational>

signum

public int signum()

equals

public boolean equals(java.lang.Object that)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toFractionString

public java.lang.String toFractionString()

toMixedString

public java.lang.String toMixedString()

toDecimalString

public java.lang.String toDecimalString()

toPlainDecimalString

public java.lang.String toPlainDecimalString()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

writeReplace

private java.lang.Object writeReplace()