com.tagtraum.pcmsampledsp

Class Rational

java.lang.Object

java.lang.Number

com.tagtraum.pcmsampledsp.Rational

All Implemented Interfaces:

Serializable, Comparable<Rational>

public class Rational
extends Number
implements Comparable<Rational>

Rational number.

Author:

Hendrik Schreiber

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Rational(int numerator, int denominator) Constructs an immutable rational number.

Method Summary

Modifier and Type	Method and Description
Rational	add(Rational that) Add another rational to this, returning a new object.
int	compareTo(Rational that)
double	doubleValue()
boolean	equals(Object o)
float	floatValue()
int	getDenominator() Denominator.
int	getNumerator() Numerator
int	hashCode()
int	intValue()
long	longValue()
Rational	reduce() Reduces this, returning a new object, if it is different.
String	toString()
static Rational	valueOf(float f) Converts the given float into a rational number using an approximation.
static Rational	valueOf(float f, float accuracyFactor) Converts the given float into a rational number using an approximation.

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Constructor Detail

Rational

public Rational(int numerator,
                int denominator)

Constructs an immutable rational number.

Parameters:

numerator - numerator

denominator - denominator

Method Detail

valueOf

public static Rational valueOf(float f)

Converts the given float into a rational number using an approximation.

Parameters:

f - decimal

Returns:

rational number

valueOf

public static Rational valueOf(float f,
                               float accuracyFactor)

Converts the given float into a rational number using an approximation.

Parameters:

f - decimal

accuracyFactor - accuracy, e.g. 0.000005f for five decimal places

Returns:

rational number

getDenominator

public int getDenominator()

Denominator.

Returns:

denominator

getNumerator

public int getNumerator()

Numerator

Returns:

numerator

intValue

public int intValue()

Specified by:

intValue in class Number

longValue

public long longValue()

Specified by:

longValue in class Number

floatValue

public float floatValue()

Specified by:

floatValue in class Number

doubleValue

public double doubleValue()

Specified by:

doubleValue in class Number

add

public Rational add(Rational that)

Add another rational to this, returning a new object.

Parameters:

that - other rational

Returns:

sum

reduce

public Rational reduce()

Reduces this, returning a new object, if it is different.

Returns:

reduced rational

compareTo

public int compareTo(Rational that)

Specified by:

compareTo in interface Comparable<Rational>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object