edu.uiowa.cs.clc.kind2.util

Class BigFraction

java.lang.Object

edu.uiowa.cs.clc.kind2.util.BigFraction

All Implemented Interfaces:

java.lang.Comparable<BigFraction>

public class BigFraction
extends java.lang.Object
implements java.lang.Comparable<BigFraction>

An arbitrary sized fractional value Stored as numerator / denominator where the fraction is in reduced form and denominator is always positive

Field Summary

Fields

Modifier and Type	Field and Description
static BigFraction	ONE
static BigFraction	ZERO

Constructor Summary

Constructors

Constructor and Description
BigFraction(java.math.BigInteger num)
BigFraction(java.math.BigInteger num, java.math.BigInteger denom)

Method Summary

Modifier and Type	Method and Description
BigFraction	add(BigFraction val)
BigFraction	add(java.math.BigInteger val)
int	compareTo(BigFraction other)
BigFraction	divide(BigFraction val)
BigFraction	divide(java.math.BigInteger val)
double	doubleValue()
boolean	equals(java.lang.Object obj)
java.math.BigInteger	floor()
java.math.BigInteger	getDenominator()
java.math.BigInteger	getNumerator()
int	hashCode()
BigFraction	multiply(BigFraction val)
BigFraction	multiply(java.math.BigInteger val)
BigFraction	negate()
int	signum()
BigFraction	subtract(BigFraction val)
BigFraction	subtract(java.math.BigInteger val)
java.math.BigDecimal	toBigDecimal(int scale)
java.lang.String	toString()
java.lang.String	toTruncatedDecimal(int scale, java.lang.String suffix)
static BigFraction	valueOf(java.math.BigDecimal value)

Methods inherited from class java.lang.Object

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

Field Detail

ZERO

public static final BigFraction ZERO

ONE

public static final BigFraction ONE

Constructor Detail

BigFraction

public BigFraction(java.math.BigInteger num,
                   java.math.BigInteger denom)

BigFraction

public BigFraction(java.math.BigInteger num)

Method Detail

valueOf

public static BigFraction valueOf(java.math.BigDecimal value)

getNumerator

public java.math.BigInteger getNumerator()

getDenominator

public java.math.BigInteger getDenominator()

add

public BigFraction add(BigFraction val)

add

public BigFraction add(java.math.BigInteger val)

subtract

public BigFraction subtract(BigFraction val)

subtract

public BigFraction subtract(java.math.BigInteger val)

multiply

public BigFraction multiply(BigFraction val)

multiply

public BigFraction multiply(java.math.BigInteger val)

divide

public BigFraction divide(BigFraction val)

divide

public BigFraction divide(java.math.BigInteger val)

negate

public BigFraction negate()

signum

public int signum()

doubleValue

public double doubleValue()

floor

public java.math.BigInteger floor()

toBigDecimal

public java.math.BigDecimal toBigDecimal(int scale)

toTruncatedDecimal

public java.lang.String toTruncatedDecimal(int scale,
                                           java.lang.String suffix)

compareTo

public int compareTo(BigFraction other)

Specified by:

compareTo in interface java.lang.Comparable<BigFraction>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object