osg::Vec2d Class Reference

General purpose double pair, uses include representation of texture coordinates. More...

List of all members.

Public Types
enum	{ num_components = 2 }
	Number of vector components. More...
typedef double	value_type
	Data type of vector components.
Public Member Functions
	Vec2d ()
	Constructor that sets all components of the vector to zero.
	Vec2d (value_type x, value_type y)
	Vec2d (const Vec2f &vec)
	operator Vec2f () const
bool	operator== (const Vec2d &v) const
bool	operator!= (const Vec2d &v) const
bool	operator< (const Vec2d &v) const
value_type *	ptr ()
const value_type *	ptr () const
void	set (value_type x, value_type y)
value_type &	operator[] (int i)
value_type	operator[] (int i) const
value_type &	x ()
value_type &	y ()
value_type	x () const
value_type	y () const
bool	valid () const
	Returns true if all components have values that are not NaN.
bool	isNaN () const
	Returns true if at least one component has value NaN.
value_type	operator* (const Vec2d &rhs) const
	Dot product.
const Vec2d	operator* (value_type rhs) const
	Multiply by scalar.
Vec2d &	operator*= (value_type rhs)
	Unary multiply by scalar.
const Vec2d	operator/ (value_type rhs) const
	Divide by scalar.
Vec2d &	operator/= (value_type rhs)
	Unary divide by scalar.
const Vec2d	operator+ (const Vec2d &rhs) const
	Binary vector add.
Vec2d &	operator+= (const Vec2d &rhs)
	Unary vector add.
const Vec2d	operator- (const Vec2d &rhs) const
	Binary vector subtract.
Vec2d &	operator-= (const Vec2d &rhs)
	Unary vector subtract.
const Vec2d	operator- () const
	Negation operator.
value_type	length () const
	Length of the vector = sqrt( vec .
value_type	length2 (void) const
	Length squared of the vector = vec .
value_type	normalize ()
	Normalize the vector so that it has length unity.
Public Attributes
value_type	_v [2]

---

Detailed Description

General purpose double pair, uses include representation of texture coordinates.

No support yet added for double * Vec2d - is it necessary? Need to define a non-member non-friend operator* etc. BTW: Vec2d * double is okay

---

Member Typedef Documentation

typedef double osg::Vec2d::value_type

Data type of vector components.

---

Member Enumeration Documentation

anonymous enum

Number of vector components.

Enumerator:

num_components

---

Constructor & Destructor Documentation

osg::Vec2d::Vec2d

(

)

[inline]

Constructor that sets all components of the vector to zero.

References _v.

Referenced by operator*(), operator+(), operator-(), and operator/().

osg::Vec2d::Vec2d	(	value_type	x,
		value_type	y
	)		[inline]

References _v, x(), and y().

osg::Vec2d::Vec2d

(

const Vec2f &

vec

)

[inline]

References _v, and osg::Vec2f::_v.

---

Member Function Documentation

bool osg::Vec2d::isNaN

(

)

const [inline]

Returns true if at least one component has value NaN.

References _v.

Referenced by valid().

value_type osg::Vec2d::length

(

)

const [inline]

Length of the vector = sqrt( vec .

vec )

References _v.

Referenced by normalize().

value_type osg::Vec2d::length2

(

void

)

const [inline]

Length squared of the vector = vec .

vec

References _v.

value_type osg::Vec2d::normalize

(

)

[inline]

Normalize the vector so that it has length unity.

Returns the previous length of the vector.

References _v, and length().

osg::Vec2d::operator Vec2f

(

)

const [inline]

References _v.

bool osg::Vec2d::operator!=

(

const Vec2d &

v

)

const [inline]

References _v.

value_type osg::Vec2d::operator*

(

const Vec2d &

rhs

)

const [inline]

Dot product.

References _v.

const Vec2d osg::Vec2d::operator*

(

value_type

rhs

)

const [inline]

Multiply by scalar.

References _v, and Vec2d().

Vec2d& osg::Vec2d::operator*=

(

value_type

rhs

)

[inline]

Unary multiply by scalar.

References _v.

const Vec2d osg::Vec2d::operator+

(

const Vec2d &

rhs

)

const [inline]

Binary vector add.

References _v, and Vec2d().

Vec2d& osg::Vec2d::operator+=

(

const Vec2d &

rhs

)

[inline]

Unary vector add.

Slightly more efficient because no temporary intermediate object.

References _v.

const Vec2d osg::Vec2d::operator-

(

const Vec2d &

rhs

)

const [inline]

Binary vector subtract.

References _v, and Vec2d().

const Vec2d osg::Vec2d::operator-

(

)

const [inline]

Negation operator.

Returns the negative of the Vec2d.

References _v, and Vec2d().

Vec2d& osg::Vec2d::operator-=

(

const Vec2d &

rhs

)

[inline]

Unary vector subtract.

References _v.

const Vec2d osg::Vec2d::operator/

(

value_type

rhs

)

const [inline]

Divide by scalar.

References _v, and Vec2d().

Vec2d& osg::Vec2d::operator/=

(

value_type

rhs

)

[inline]

Unary divide by scalar.

References _v.

bool osg::Vec2d::operator<

(

const Vec2d &

v

)

const [inline]

References _v.

bool osg::Vec2d::operator==

(

const Vec2d &

v

)

const [inline]

References _v.

value_type& osg::Vec2d::operator[]

(

int

i

)

[inline]

References _v.

value_type osg::Vec2d::operator[]

(

int

i

)

const [inline]

References _v.

value_type* osg::Vec2d::ptr

(

)

[inline]

References _v.

const value_type* osg::Vec2d::ptr

(

)

const [inline]

References _v.

void osg::Vec2d::set	(	value_type	x,
		value_type	y
	)		[inline]

References _v, x(), and y().

bool osg::Vec2d::valid

(

)

const [inline]

Returns true if all components have values that are not NaN.

References isNaN().

value_type& osg::Vec2d::x

(

)

[inline]

References _v.

Referenced by set(), and Vec2d().

value_type osg::Vec2d::x

(

)

const [inline]

References _v.

value_type& osg::Vec2d::y

(

)

[inline]

References _v.

Referenced by set(), and Vec2d().

value_type osg::Vec2d::y

(

)

const [inline]

References _v.

---

Member Data Documentation

value_type osg::Vec2d::_v[2]

Referenced by isNaN(), length(), length2(), normalize(), operator Vec2f(), operator!=(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator-=(), operator/(), operator/=(), operator<(), osg::operator<<(), operator==(), osg::operator>>(), operator[](), ptr(), set(), Vec2d(), x(), and y().

---

The documentation for this class was generated from the following file:

• osg/Vec2d