jem::Float Class Reference

Inheritance diagram for jem::Float:

Public Member Functions
	Float (double value=0.0)
	Float (const String &s)
virtual void	readFrom (io::ObjectInput &in)
virtual void	writeTo (io::ObjectOutput &out) const
virtual String	toString () const
	Returns a short textual description of this object. More...
virtual lint	hashValue () const
	Returns a hash value for this object. More...
virtual bool	equals (const Ref< Object > &rhs) const
	Tests whether two objects are equal. More...
virtual Ref< Object >	clone () const
virtual lint	toInteger () const
virtual double	toFloat () const
virtual bool	isFloat () const
Public Member Functions inherited from jem::Number
bool	isInteger () const
Public Member Functions inherited from jem::Object
virtual Class *	getClass () const
	Returns the Class instance representing the runtime class of this object. More...
Ref< Object >	clone () const
	Returns a copy of this object. More...

Static Public Member Functions
static double	parse (const String &str)
static bool	parse (float &value, const String &str)
static bool	parse (double &value, const String &str)
static idx_t	print (char *buf, idx_t bufsize, double value)
static bool	isNaN (float val)
static bool	isNaN (double val)
static bool	isTiny (float val)
static bool	isTiny (double val)
static Self *	dynamicCast (Object &rhs)
Static Public Member Functions inherited from jem::Number
static Self *	dynamicCast (Object &rhs)
Static Public Member Functions inherited from jem::Object
static Class *	getType ()
	Returns the Class instance representing the Object class. More...

Public Attributes
double	value

Static Public Attributes
static const double	MIN_VALUE
static const double	MAX_VALUE
static const double	EPSILON

Protected Member Functions
virtual	~Float ()
Protected Member Functions inherited from jem::Number
	Number ()
virtual	~Number ()
virtual void	emitVtableFunc_ ()
Protected Member Functions inherited from jem::Collectable
	Collectable ()
	Creates an empty Collectable. More...
	~Collectable ()
	Frees resources. More...
Protected Member Functions inherited from jem::Clonable
virtual	~Clonable ()
virtual void	emitVTable_ ()
Protected Member Functions inherited from jem::Interface
virtual	~Interface ()
	Empty destructor. More...
Protected Member Functions inherited from jem::io::Serializable
virtual	~Serializable ()
virtual void	emitVtableFunc_ ()

Constructor & Destructor Documentation

jem::Float::Float ( double  value = 0.0 )

explicit

jem::Float::Float ( const String &  s )

explicit

virtual jem::Float::~Float ( )

protectedvirtual

Member Function Documentation

virtual void jem::Float::readFrom ( io::ObjectInput &  in )

virtual

Implements jem::io::Serializable.

virtual void jem::Float::writeTo ( io::ObjectOutput &  out ) const

virtual

Implements jem::io::Serializable.

virtual String jem::Float::toString ( ) const

virtual

Returns a short textual description of this object. The toString method of the class Object returns:

getClass()->getName() + "@" + String( hashValue() )

Returns

A String representing this object.

Reimplemented from jem::Object.

virtual lint jem::Float::hashValue ( ) const

virtual

Returns a hash value for this object. This function should return the same hash value when it is invoked more than once on the same object, provided that the object is not modified. If two object are equal according to the equals method, then those objects should return the same hash value. Note that two objects which are not equal may also return the same hash value.

The hashValue implementation of the Object class returns a hash value for the memory address of the object.

Returns

A long integer representing the hash value of this object.

Reimplemented from jem::Object.

virtual bool jem::Float::equals ( const Ref< Object > &  obj ) const

virtual

Tests whether this Object is equal to the Object obj. The equals method should be:

• reflexive: for all objects x, x->equals(x) should return true.

• symmetric: for all objects x and y, x->equals(y) should return the same value as y->equals(x).

• transitive: if, for any objects x, y, and z, x->equals(y) returns true and y->equals(z) returns true, then x->equals(z) should return true.

• consistent: for all objects x and y, multiple invocations of x->equals(y) should return the same value as long as the objects are not modified.

In addition, x->equals(NIL) should return false for all objects x.

The default implementation of equals returns true if and only if this object and the argument obj are located at the same memory address. That is, the default implementation returns (this == obj).

Parameters

obj	- the object this object should be compared to, or NIL.

Returns

true is this object equals the object obj, and false otherwise.

Reimplemented from jem::Object.

virtual Ref<Object> jem::Float::clone ( ) const

virtual

Implements jem::Clonable.

virtual lint jem::Float::toInteger ( ) const

virtual

Implements jem::Number.

virtual double jem::Float::toFloat ( ) const

virtual

Implements jem::Number.

virtual bool jem::Float::isFloat ( ) const

virtual

Implements jem::Number.

static double jem::Float::parse ( const String &  str )

static

static bool jem::Float::parse ( float &  value, const String &  str  )

static

static bool jem::Float::parse ( double &  value, const String &  str  )

static

static idx_t jem::Float::print ( char *  buf, idx_t  bufsize, double  value  )

static

static bool jem::Float::isNaN ( float  val )

static

static bool jem::Float::isNaN ( double  val )

static

static bool jem::Float::isTiny ( float  val )

static

static bool jem::Float::isTiny ( double  val )

static

static Self* jem::Float::dynamicCast ( Object &  rhs )

static

Member Data Documentation

const double jem::Float::MIN_VALUE

static

const double jem::Float::MAX_VALUE

static

const double jem::Float::EPSILON

static

double jem::Float::value