gazebo::math::Vector4 Class Reference

double Generic x, y, z, w vector More...

#include <math/gzmath.hh>

Public Member Functions
	Vector4 ()
	Constructor.
	Vector4 (const double &_x, const double &_y, const double &_z, const double &_w)
	Constructor with component values.
	Vector4 (const Vector4 &_v)
	Copy constructor.
virtual	~Vector4 ()
	Destructor.
double	Distance (const Vector4 &_pt) const
	Calc distance to the given point.
double	GetLength () const
	Returns the length (magnitude) of the vector.
double	GetSquaredLength () const
	Return the square of the length (magnitude) of the vector.
bool	IsFinite () const
	See if a point is finite (e.g., not nan)
void	Normalize ()
	Normalize the vector length.
bool	operator!= (const Vector4 &_pt) const
	Not equal to operator.
const Vector4	operator* (const Vector4 &_pt) const
	Multiplication operator.
const Vector4	operator* (const Matrix4 &_m) const
	Matrix multiplication operator.
const Vector4	operator* (double _v) const
	Multiplication operators.
const Vector4 &	operator*= (const Vector4 &_pt)
	Multiplication assignment operator.
const Vector4 &	operator*= (double _v)
	Multiplication assignment operator.
Vector4	operator+ (const Vector4 &_v) const
	Addition operator.
const Vector4 &	operator+= (const Vector4 &_v)
	Addition operator.
Vector4	operator- (const Vector4 &_v) const
	Subtraction operator.
const Vector4 &	operator-= (const Vector4 &_v)
	Subtraction assigment operators.
const Vector4	operator/ (const Vector4 &_v) const
	Division assignment operator.
const Vector4	operator/ (double _v) const
	Division assignment operator.
const Vector4 &	operator/= (const Vector4 &_v)
	Division assignment operator.
const Vector4 &	operator/= (double _v)
	Division operator.
Vector4 &	operator= (const Vector4 &_v)
	Assignment operator.
Vector4 &	operator= (double _value)
	Assignment operator.
bool	operator== (const Vector4 &_pt) const
	Equal to operator.
double	operator[] (unsigned int _index) const
	Array subscript operator.
void	Set (double _x=0, double _y=0, double _z=0, double _w=0)
	Set the contents of the vector.

Public Attributes
double	w
	W value.
double	x
	X value.
double	y
	Y value.
double	z
	Z value.

Friends
std::ostream &	operator<< (std::ostream &_out, const gazebo::math::Vector4 &_pt)
	Stream insertion operator.
std::istream &	operator>> (std::istream &_in, gazebo::math::Vector4 &_pt)
	Stream extraction operator.

Detailed Description

double Generic x, y, z, w vector

Constructor & Destructor Documentation

gazebo::math::Vector4::Vector4

(

)

Constructor.

gazebo::math::Vector4::Vector4	(	const double &	_x,
		const double &	_y,
		const double &	_z,
		const double &	_w
	)

Constructor with component values.

Parameters

[in]	_x	value along x axis
[in]	_y	value along y axis
[in]	_z	value along z axis
[in]	_w	value along w axis

gazebo::math::Vector4::Vector4

(

const Vector4 &

_v

)

Copy constructor.

Parameters

[in]

_v

vector

virtual gazebo::math::Vector4::~Vector4 ( )

virtual

Destructor.

Member Function Documentation

double gazebo::math::Vector4::Distance

(

const Vector4 &

_pt

)

const

Calc distance to the given point.

Parameters

[in]

_pt

the point

Returns

the distance

double gazebo::math::Vector4::GetLength

(

)

const

Returns the length (magnitude) of the vector.

double gazebo::math::Vector4::GetSquaredLength

(

)

const

Return the square of the length (magnitude) of the vector.

Returns

the length

bool gazebo::math::Vector4::IsFinite

(

)

const

See if a point is finite (e.g., not nan)

Returns

true if finite, false otherwise

void gazebo::math::Vector4::Normalize

(

)

Normalize the vector length.

bool gazebo::math::Vector4::operator!=

(

const Vector4 &

_pt

)

const

Not equal to operator.

Parameters

[in]

_pt

the other vector

Returns

true if each component is equal withing a default tolerence (1e-6), false otherwise

const Vector4 gazebo::math::Vector4::operator*

(

const Vector4 &

_pt

)

const

Multiplication operator.

Remarks

Performs element wise multiplication, which has limited use.

Parameters

[in]

_pt

another vector

Returns

result vector

const Vector4 gazebo::math::Vector4::operator*

(

const Matrix4 &

_m

)

const

Matrix multiplication operator.

Parameters

[in]

_m

matrix

Returns

the vector multiplied by _m

const Vector4 gazebo::math::Vector4::operator*

(

double

_v

)

const

Multiplication operators.

Parameters

[in]

_v

scaling factor

Returns

a scaled vector

const Vector4& gazebo::math::Vector4::operator*=

(

const Vector4 &

_pt

)

Multiplication assignment operator.

Remarks

Performs element wise multiplication, which has limited use.

Parameters

[in]

_pt

a vector

Returns

this

const Vector4& gazebo::math::Vector4::operator*=

(

double

_v

)

Multiplication assignment operator.

Parameters

[in]

_v

scaling factor

Returns

this

Vector4 gazebo::math::Vector4::operator+

(

const Vector4 &

_v

)

const

Addition operator.

Parameters

[in]

_v

the vector to add

Returns

a sum vector

const Vector4& gazebo::math::Vector4::operator+=

(

const Vector4 &

_v

)

Addition operator.

Parameters

[in]

_v

the vector to add

Returns

this vector

Vector4 gazebo::math::Vector4::operator-

(

const Vector4 &

_v

)

const

Subtraction operator.

Parameters

[in]

_v

the vector to substract

Returns

a vector

const Vector4& gazebo::math::Vector4::operator-=

(

const Vector4 &

_v

)

Subtraction assigment operators.

Parameters

[in]

_v

the vector to substract

Returns

this vector

const Vector4 gazebo::math::Vector4::operator/

(

const Vector4 &

_v

)

const

Division assignment operator.

Remarks

Performs element wise division, which has limited use.

Parameters

[in]

_v

the vector to perform element wise division with

Returns

a result vector

const Vector4 gazebo::math::Vector4::operator/

(

double

_v

)

const

Division assignment operator.

Remarks

Performs element wise division, which has limited use.

Parameters

[in]

_pt

another vector

Returns

a result vector

const Vector4& gazebo::math::Vector4::operator/=

(

const Vector4 &

_v

)

Division assignment operator.

Remarks

Performs element wise division, which has limited use.

Parameters

[in]

_v

the vector to perform element wise division with

Returns

this

const Vector4& gazebo::math::Vector4::operator/=

(

double

_v

)

Division operator.

Parameters

[in]

_v

scaling factor

Returns

a vector

Vector4& gazebo::math::Vector4::operator=

(

const Vector4 &

_v

)

Assignment operator.

Parameters

[in]

_v

the vector

Returns

a reference to this vector

Vector4& gazebo::math::Vector4::operator=

(

double

_value

)

Assignment operator.

Parameters

[in]

_value

bool gazebo::math::Vector4::operator==

(

const Vector4 &

_pt

)

const

Equal to operator.

Parameters

[in]

_pt

the other vector

Returns

true if each component is equal withing a default tolerence (1e-6), false otherwise

double gazebo::math::Vector4::operator[]

(

unsigned int

_index

)

const

Array subscript operator.

Parameters

[in]

_index

void gazebo::math::Vector4::Set	(	double	_x = 0,
		double	_y = 0,
		double	_z = 0,
		double	_w = 0
	)

Set the contents of the vector.

Parameters

[in]	_x	value along x axis
[in]	_y	value along y axis
[in]	_z	value along z axis
[in]	_w	value along w axis

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  _out, const gazebo::math::Vector4 &  _pt  )

friend

Stream insertion operator.

Parameters

[in]	_out	output stream
[in]	_pt	Vector4 to output

Returns

The stream

std::istream& operator>> ( std::istream &  _in, gazebo::math::Vector4 &  _pt  )

friend

Stream extraction operator.

Parameters

[in]	_in	input stream
[in]	_pt	Vector4 to read values into

Returns

the stream

Member Data Documentation

double gazebo::math::Vector4::w

W value.

double gazebo::math::Vector4::x

X value.

double gazebo::math::Vector4::y

Y value.

double gazebo::math::Vector4::z

Z value.

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

• Vector4.hh