org.extex.interpreter.primitives.register.real
Class Real

java.lang.Object
  org.extex.interpreter.primitives.register.real.Real

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

ImmutableReal

public class Real
extends java.lang.Object
implements java.io.Serializable

Real (with a double value).

Version:

$Revision: 7274 $

Author:

Michael Niedermair

See Also:

Serialized Form

Field Summary

static Real	MAX_VALUE max-Real
static Real	ZERO ZERO-Real

Constructor Summary

Real(Context context, TokenSource source, Typesetter typesetter)
Creates a new object.

Real(double val)
Creates a new object.

Real(float val)
Creates a new object.

Real(int i)
Creates a new object.

Real(long l)
Creates a new object.

Real(Real val)
Creates a new object.

Real(java.lang.String s)
Creates a new object.

Method Summary

void	add(double val) add
void	add(Real real) add
void	divide(double val) divide
void	divide(Real val) divide
long	getLong() Return the value as long.
double	getValue() Getter for the value
void	multiply(double val) multiply
void	multiply(Real val) multiply
void	setValue(double d) Setter for the value.
java.lang.String	toString() Return the value as String

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ZERO

public static final Real ZERO

ZERO-Real

MAX_VALUE

public static final Real MAX_VALUE

max-Real

Constructor Detail

Real

public Real(Context context,
            TokenSource source,
            Typesetter typesetter)
     throws HelpingException,
            ConfigurationException,
            TypesetterException

Creates a new object. Scan the TokenSource for a Real.

Parameters:

context - the interpreter context

source - the token source

typesetter - the typesetter

Throws:

HelpingException - in case of an error

ConfigurationException - in case of an configuration error

TypesetterException - in case of an error in the typesetter

Real

public Real(double val)

Creates a new object.

Parameters:

val - initialize with double value

Real

public Real(float val)

Creates a new object.

Parameters:

val - the value as float

Real

public Real(int i)

Creates a new object.

Parameters:

i - the value as int

Real

public Real(long l)

Creates a new object.

Parameters:

l - the value as long

Real

public Real(Real val)

Creates a new object.

Parameters:

val - the value

Real

public Real(java.lang.String s)
     throws HelpingException

Creates a new object.

If the string equals null or empty, the value is set to zero

Parameters:

s - the value as String

Throws:

HelpingException - if a NumberFormatException is throws

Method Detail

add

public void add(double val)

add

Parameters:

val - the value to add

add

public void add(Real real)

add

Parameters:

real - the value to add

divide

public void divide(double val)
            throws HelpingException

divide

Parameters:

val - the value to divide

Throws:

HelpingException - in case of a division by zero

divide

public void divide(Real val)
            throws HelpingException

divide

Parameters:

val - the value to divide

Throws:

HelpingException - in case of a division by zero

getLong

public long getLong()

Return the value as long.

Returns:

the value as long

getValue

public double getValue()

Getter for the value

Returns:

the value

multiply

public void multiply(double val)

multiply

Parameters:

val - the value to multiply

multiply

public void multiply(Real val)

multiply

Parameters:

val - the value to multiply

setValue

public void setValue(double d)

Setter for the value.

Parameters:

d - the new value

toString

public java.lang.String toString()

Return the value as String

Overrides:

toString in class java.lang.Object

Returns:

the value as String