ch.ethz.mxquery.util
Class IntDouble

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

public class IntDouble
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

IntDouble(int decimalPlaces)
Constructor

IntDouble(int init, int decimalPlaces)
Constructor

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

Method Summary

IntDouble	add(int i)
IntDouble	add(IntDouble id)
static java.lang.String	addStartZerosToComma(java.lang.String str, int commaLength) Fills the str with commas at the begining till str.length() == commaLength.
int	compareTo(int i)
int	compareTo(IntDouble id)
static int	countStartZeros(java.lang.String str) Counts the prefix zeros.
static java.lang.String	deleteEndZeros(java.lang.String str) Deletes all zeros at the end of str.
IntDouble	divide(int i)
IntDouble	divide(IntDouble id)
boolean	equals(IntDouble id)
boolean	equals(java.lang.Object o)
boolean	equalsZero()
int	getIntValue()
static int	getLastDigit(int value) Returns the last digit of the passed value.
int	hashCode()
int	idiv(int i)
int	idiv(IntDouble id)
IntDouble	mod(int i)
IntDouble	mod(IntDouble id)
IntDouble	multiply(int i)
IntDouble	multiply(IntDouble id)
IntDouble	negate()
IntDouble	subtract(int i)
IntDouble	subtract(IntDouble id)
java.lang.String	toString()
boolean	unequals(IntDouble id)

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

IntDouble

public IntDouble(int decimalPlaces)

Constructor

Parameters:

decimalPlaces -

IntDouble

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

Constructor

Parameters:

str - tries to parse this string

decimalPlaces -

IntDouble

public IntDouble(int init,
                 int decimalPlaces)

Constructor

Parameters:

init - initial value (only integer)

decimalPlaces -

Method Detail

addStartZerosToComma

public static java.lang.String addStartZerosToComma(java.lang.String str,
                                                    int commaLength)

Fills the str with commas at the begining till str.length() == commaLength.

Parameters:

str -

commaLength -

Returns:

the string filled up with zeros

deleteEndZeros

public static java.lang.String deleteEndZeros(java.lang.String str)

Deletes all zeros at the end of str.

Parameters:

str -

Returns:

the string with the zeros removed

countStartZeros

public static int countStartZeros(java.lang.String str)

Counts the prefix zeros.

Parameters:

str -

Returns:

the number of prefix zeros

getLastDigit

public static int getLastDigit(int value)

Returns the last digit of the passed value.

Parameters:

value -

Returns:

the last digit

equalsZero

public boolean equalsZero()

add

public IntDouble add(IntDouble id)

add

public IntDouble add(int i)

subtract

public IntDouble subtract(IntDouble id)

subtract

public IntDouble subtract(int i)

multiply

public IntDouble multiply(IntDouble id)

multiply

public IntDouble multiply(int i)

divide

public IntDouble divide(IntDouble id)
                 throws MXQueryException

Throws:

MXQueryException

divide

public IntDouble divide(int i)

mod

public IntDouble mod(IntDouble id)

mod

public IntDouble mod(int i)

idiv

public int idiv(IntDouble id)
         throws MXQueryException

Throws:

MXQueryException

idiv

public int idiv(int i)

negate

public IntDouble 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(IntDouble id)

unequals

public boolean unequals(IntDouble id)

compareTo

public int compareTo(IntDouble id)

compareTo

public int compareTo(int i)

getIntValue

public int getIntValue()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object