openvrml::sffloat Class Reference

A single precision floating point node field value. More...

#include <openvrml/field_value.h>

Inheritance diagram for openvrml::sffloat:

[legend]

List of all members.

Public Types
typedef float	value_type
	Type of value.
Public Member Functions
	sffloat (float value=0.0) throw ()
	Construct.
	sffloat (const sffloat &sff)
	Construct a copy.
virtual	~sffloat () throw ()
	Destroy.
sffloat &	operator= (const sffloat &sff) throw ( std::bad_alloc )
	Assign.
const value_type &	value () const throw ()
	Access.
void	value (const value_type &val) throw ( std::bad_alloc )
	Mutate.
void	swap (sffloat &sff) throw ()
	Swap.
Static Public Attributes
static const type_id	field_value_type_id = sffloat_id
	field_value::type_id for this class.
Private Member Functions
virtual std::auto_ptr < field_value >	do_clone () const throw ( std::bad_alloc )
	Polymorphically construct a copy.
virtual sffloat &	do_assign (const field_value &value) throw ( std::bad_cast )
	Virtual assignment.
virtual type_id	do_type () const throw ()
	Get the field_value::type_id associated with this class.
virtual void	print (std::ostream &out) const
	Print to an output stream.
Related Functions
(Note that these are not member functions.)
bool	operator== (const sffloat &lhs, const sffloat &rhs) throw()
	Compare for equality.
bool	operator!= (const sffloat &lhs, const sffloat &rhs) throw()
	Compare for inequality.
template<> void	swap (openvrml::sffloat &a, openvrml::sffloat &b)
	Swap the values of a and b.

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Detailed Description

A single precision floating point node field value.

Model of

Field Value

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Member Typedef Documentation

openvrml::sffloat::value_type

Type of value.

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Constructor & Destructor Documentation

openvrml::sffloat::sffloat

(

float

value = 0.0

)

throw () [explicit]

Construct.

Parameters:

[in]

value

initial value

openvrml::sffloat::sffloat

(

const sffloat &

sff

)

Construct a copy.

Parameters:

[in]

sff

the instance to copy.

openvrml::sffloat::~sffloat

(

)

throw () [virtual]

Destroy.

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Member Function Documentation

openvrml::sffloat & openvrml::sffloat::operator=

(

const sffloat &

sff

)

throw ( std::bad_alloc )

Assign.

Parameters:

[in]

sff

the value to assign.

Returns:

a reference to the instance.

Exceptions:

std::bad_alloc

if memory allocation fails.

const openvrml::sffloat::value_type & openvrml::sffloat::value

(

)

const throw ()

Access.

Returns:

the floating point value.

Reimplemented from openvrml::field_value.

void openvrml::sffloat::value

(

const value_type &

val

)

throw ( std::bad_alloc )

Mutate.

Parameters:

[in]

val

the new value.

Exceptions:

std::bad_alloc

if memory allocation fails.

void openvrml::sffloat::swap

(

sffloat &

sff

)

throw ()

Swap.

Parameters:

[in,out]

sff

the value to swap with this one.

std::auto_ptr< openvrml::field_value > openvrml::sffloat::do_clone

(

)

const throw ( std::bad_alloc ) [private, virtual]

Polymorphically construct a copy.

Returns:

a pointer to a copy of the object.

Exceptions:

std::bad_alloc

if memory allocation fails.

Implements openvrml::field_value.

openvrml::sffloat & openvrml::sffloat::do_assign

(

const field_value &

value

)

throw ( std::bad_cast ) [private, virtual]

Virtual assignment.

Parameters:

[in]

value

the new value to give the object.

Returns:

a reference to the object.

Exceptions:

std::bad_cast

if value is not an sffloat.

Implements openvrml::field_value.

openvrml::field_value::type_id openvrml::sffloat::do_type

(

)

const throw () [private, virtual]

Get the field_value::type_id associated with this class.

Returns:

field_value::sffloat.

Implements openvrml::field_value.

void openvrml::sffloat::print

(

std::ostream &

out

)

const [private, virtual]

Print to an output stream.

Parameters:

[in,out]

out

an output stream.

Implements openvrml::field_value.

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Friends And Related Function Documentation

bool operator==	(	const sffloat &	lhs,
		const sffloat &	rhs
	)			throw() [related]

Compare for equality.

Parameters:

[in]	lhs	left-hand operand.
[in]	rhs	right-hand operand.

Returns:

true if lhs and rhs have the same value; false otherwise.

bool operator!=	(	const sffloat &	lhs,
		const sffloat &	rhs
	)			throw() [related]

Compare for inequality.

Parameters:

[in]	lhs	left-hand operand.
[in]	rhs	right-hand operand.

Returns:

true if lhs and rhs do not have the same value; false otherwise.

template<> void swap	(	openvrml::sffloat &	a,
		openvrml::sffloat &	b
	)			[related]

Swap the values of a and b.

Does not throw.

Parameters:

[in,out]	a
[in,out]	b

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Member Data Documentation

const openvrml::field_value::type_id openvrml::sffloat::field_value_type_id = sffloat_id [static]

field_value::type_id for this class.