ch.ethz.mxquery.util
Class LongDouble

java.lang.Object
  ch.ethz.mxquery.util.LongDouble

public class LongDouble
extends java.lang.Object

Double implementation on an integer.
NaN, Inf, and Exponential representation (e.g. 2e-4) are not supported

Field Summary

static int

maxDecimalPlaces

Constructor Summary

LongDouble(int decimalPlaces)
Constructor

LongDouble(long init, int decimalPlaces)
Constructor

LongDouble(java.lang.String str, int decimalPlaces)
Constructor

Method Summary

LongDouble	add(int i)
LongDouble	add(LongDouble ld)
int	compareTo(int i)
int	compareTo(LongDouble ld)
LongDouble	divide(int i)
LongDouble	divide(LongDouble ld)
boolean	equals(LongDouble ld)
boolean	equals(java.lang.Object o)
boolean	equalsZero()
int	getIntValue()
static int	getLastDigit(long value) Returns the last digit of the passed value.
int	hashCode()
int	idiv(int i)
int	idiv(LongDouble ld)
LongDouble	mod(int i)
LongDouble	mod(LongDouble ld)
LongDouble	multiply(int i)
LongDouble	multiply(LongDouble ld)
LongDouble	negate()
LongDouble	subtract(int i)
LongDouble	subtract(LongDouble ld)
java.lang.String	toString()
boolean	unequals(LongDouble ld)

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

maxDecimalPlaces

public static final int maxDecimalPlaces

See Also:

Constant Field Values

Constructor Detail

LongDouble

public LongDouble(int decimalPlaces)

Constructor

Parameters:

decimalPlaces -

LongDouble

public LongDouble(java.lang.String str,
                  int decimalPlaces)

Constructor

Parameters:

str - tries to parse this string

decimalPlaces -

LongDouble

public LongDouble(long init,
                  int decimalPlaces)

Constructor

Parameters:

init - initial value (only integer)

decimalPlaces -

Method Detail

getLastDigit

public static int getLastDigit(long value)

Returns the last digit of the passed value.

Parameters:

value -

Returns:

the last digit

equalsZero

public boolean equalsZero()

add

public LongDouble add(LongDouble ld)

add

public LongDouble add(int i)

subtract

public LongDouble subtract(LongDouble ld)

subtract

public LongDouble subtract(int i)

multiply

public LongDouble multiply(LongDouble ld)

multiply

public LongDouble multiply(int i)

divide

public LongDouble divide(LongDouble ld)
                  throws MXQueryException

Throws:

MXQueryException

divide

public LongDouble divide(int i)

mod

public LongDouble mod(LongDouble ld)

mod

public LongDouble mod(int i)

idiv

public int idiv(LongDouble ld)
         throws MXQueryException

Throws:

MXQueryException

idiv

public int idiv(int i)

negate

public LongDouble negate()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

equals

public boolean equals(LongDouble ld)

unequals

public boolean unequals(LongDouble ld)

compareTo

public int compareTo(LongDouble ld)

compareTo

public int compareTo(int i)

getIntValue

public int getIntValue()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object