Rational

java.lang.Object
- java.lang.Number
- - org.lsmp.djep.groupJep.values.Rational

All Implemented Interfaces:

Serializable, Comparable
```
public class Rational
extends Number
implements Comparable
```
A Rational number with full precision. Represented as quotien of two numbers (always in most reduced form with posative denominator).

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description
`Rational(BigInteger num)`
`Rational(BigInteger num, BigInteger den)` Rationals will always be represented in most reduced form with a positive denominator.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Rational`	`add(Rational arg)`
`int`	`compareTo(Object arg)`
`Rational`	`div(Rational arg)`
`double`	`doubleValue()`
`float`	`floatValue()`
`BigInteger`	`getDenominator()` * Returns the bottom half of the rational.
`BigInteger`	`getNumerator()` Returns the top half of the rational.
`int`	`intValue()`
`Rational`	`inverse()`
`long`	`longValue()`
`Rational`	`mul(Rational arg)`
`Rational`	`negate()`
`Rational`	`pow(Rational arg)`
`Rational`	`sub(Rational arg)`
`String`	`toString()`
`static Number`	`valueOf(String s)`

Methods inherited from class java.lang.Number
byteValue, shortValue

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Rational
```
public Rational(BigInteger num)
```

Rational
```
public Rational(BigInteger num,
                BigInteger den)
```
Rationals will always be represented in most reduced form with a positive denominator.

Method Detail

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 arg)
```

sub
```
public Rational sub(Rational arg)
```

mul
```
public Rational mul(Rational arg)
```

div
```
public Rational div(Rational arg)
```

pow
```
public Rational pow(Rational arg)
```

negate
```
public Rational negate()
```

inverse
```
public Rational inverse()
```

valueOf

public static Number valueOf(String s)

getDenominator
```
public BigInteger getDenominator()
```
* Returns the bottom half of the rational.

getNumerator
```
public BigInteger getNumerator()
```
Returns the top half of the rational.

toString
```
public String toString()
```
Overrides:

toString in class Object

compareTo
```
public int compareTo(Object arg)
```
Specified by:

compareTo in interface Comparable

Class Rational

Constructor Summary

Method Summary

Methods inherited from class java.lang.Number

Methods inherited from class java.lang.Object

Constructor Detail

Rational

Rational

Method Detail

intValue

longValue

floatValue

doubleValue

add

sub

mul

div

pow

negate

inverse

valueOf

getDenominator

getNumerator

toString

compareTo