a_point2 Struct Reference

instance structure for two-dimensional point More...

#include <point2.h>

Public Member Functions
void	val (a_real &x_, a_real &y_) const
	get the cartesian coordinates of a 2D point.
void	set_val (a_real x_, a_real y_)
	set the cartesian coordinates of a 2D point.
void	pol (a_real &rho, a_real &theta) const
	get the polar coordinates of a 2D point.
void	set_pol (a_real rho, a_real theta)
	set the polar coordinates of a 2D point.
void	add (a_vector2 const &rhs, a_point2 &res) const
	add a 2D vector to a 2D point.
void	sub (a_vector2 const &rhs, a_point2 &res) const
	subtract a 2D vector from a 2D point.
void	mul (a_real rhs, a_point2 &res) const
	multiplie a 2D point by a scalar.
void	div (a_real rhs, a_point2 &res) const
	divide a 2D point by a scalar.
void	pos (a_vector2 &res) const
	convert it into a vector from the origin to the point.
void	neg (a_vector2 &res) const
	convert it into a vector from the point to the origin.
a_real	dist (a_point2 const &rhs) const
	compute the distance between two 2D points.
a_real	dist2 (a_point2 const &rhs) const
	compute the squared distance between two 2D points.
a_real	mindist (a_point2 const *i_p, a_size i_n, a_point2 *o_p=NULL, a_size *o_i=NULL) const
	compute the minimum distance from a reference point to a point set.
a_real	maxdist (a_point2 const *i_p, a_size i_n, a_point2 *o_p=NULL, a_size *o_i=NULL) const
	compute the maximum distance from a reference point to a point set.

Data Fields
a_real	x
a_real	y

Friends
void	operator+= (a_point2 &lhs, a_vector2 const &rhs)
	add a 2D vector to a 2D point.
a_point2	operator+ (a_point2 const &lhs, a_vector2 const &rhs)
	add a 2D vector to a 2D point.
void	operator-= (a_point2 &lhs, a_vector2 const &rhs)
	subtract a 2D vector from a 2D point.
a_point2	operator- (a_point2 const &lhs, a_vector2 const &rhs)
	subtract a 2D vector from a 2D point.
a_vector2	operator- (a_point2 const &lhs, a_point2 const &rhs)
	set a 2D vector as the difference from point p to point q.
void	operator*= (a_point2 &lhs, a_real rhs)
	multiplie a 2D point by a scalar.
a_point2	operator* (a_real lhs, a_point2 const &rhs)
	multiplie a 2D point by a scalar.
a_point2	operator* (a_point2 const &lhs, a_real rhs)
	multiplie a 2D point by a scalar.
void	operator/= (a_point2 &lhs, a_real rhs)
	divide a 2D point by a scalar.
a_point2	operator/ (a_point2 const &lhs, a_real rhs)
	divide a 2D point by a scalar.
a_vector2	operator+ (a_point2 const &rhs)
	convert it into a vector from the origin to the point.
a_vector2	operator- (a_point2 const &rhs)
	convert it into a vector from the point to the origin.

Detailed Description

instance structure for two-dimensional point

Member Function Documentation

add()

void a_point2::add ( a_vector2 const & rhs, a_point2 & res ) const

inline

add a 2D vector to a 2D point.

See also

a_point2_add

dist()

a_real a_point2::dist ( a_point2 const & rhs ) const

inline

compute the distance between two 2D points.

See also

a_point2_dist

dist2()

a_real a_point2::dist2 ( a_point2 const & rhs ) const

inline

compute the squared distance between two 2D points.

See also

a_point2_dist2

div()

void a_point2::div ( a_real rhs, a_point2 & res ) const

inline

divide a 2D point by a scalar.

See also

a_point2_div

maxdist()

a_real a_point2::maxdist ( a_point2 const * i_p, a_size i_n, a_point2 * o_p = NULL, a_size * o_i = NULL ) const

inline

compute the maximum distance from a reference point to a point set.

See also

a_point2_maxdist

mindist()

a_real a_point2::mindist ( a_point2 const * i_p, a_size i_n, a_point2 * o_p = NULL, a_size * o_i = NULL ) const

inline

compute the minimum distance from a reference point to a point set.

See also

a_point2_mindist

mul()

void a_point2::mul ( a_real rhs, a_point2 & res ) const

inline

multiplie a 2D point by a scalar.

See also

a_point2_mul

neg()

void a_point2::neg ( a_vector2 & res ) const

inline

convert it into a vector from the point to the origin.

See also

a_point2_neg

pol()

void a_point2::pol ( a_real & rho, a_real & theta ) const

inline

get the polar coordinates of a 2D point.

See also

a_point2_pol

pos()

void a_point2::pos ( a_vector2 & res ) const

inline

convert it into a vector from the origin to the point.

See also

a_point2_pos

set_pol()

void a_point2::set_pol ( a_real rho, a_real theta )

inline

set the polar coordinates of a 2D point.

See also

a_point2_set_pol

set_val()

void a_point2::set_val ( a_real x_, a_real y_ )

inline

set the cartesian coordinates of a 2D point.

See also

a_point2_set_val

sub()

void a_point2::sub ( a_vector2 const & rhs, a_point2 & res ) const

inline

subtract a 2D vector from a 2D point.

See also

a_point2_sub

val()

void a_point2::val ( a_real & x_, a_real & y_ ) const

inline

get the cartesian coordinates of a 2D point.

See also

a_point2_val

Friends And Related Symbol Documentation

operator* [1/2]

a_point2 operator* ( a_point2 const & lhs, a_real rhs )

friend

multiplie a 2D point by a scalar.

See also

a_point2_mul

operator* [2/2]

a_point2 operator* ( a_real lhs, a_point2 const & rhs )

friend

multiplie a 2D point by a scalar.

See also

a_point2_mul

operator*=

void operator*= ( a_point2 & lhs, a_real rhs )

friend

multiplie a 2D point by a scalar.

See also

a_point2_mul

operator+ [1/2]

a_point2 operator+ ( a_point2 const & lhs, a_vector2 const & rhs )

friend

add a 2D vector to a 2D point.

See also

a_point2_add

operator+ [2/2]

a_vector2 operator+ ( a_point2 const & rhs )

friend

convert it into a vector from the origin to the point.

See also

a_point2_pos

operator+=

void operator+= ( a_point2 & lhs, a_vector2 const & rhs )

friend

add a 2D vector to a 2D point.

See also

a_point2_add

operator- [1/3]

a_vector2 operator- ( a_point2 const & lhs, a_point2 const & rhs )

friend

set a 2D vector as the difference from point p to point q.

See also

a_vector2_set

operator- [2/3]

a_point2 operator- ( a_point2 const & lhs, a_vector2 const & rhs )

friend

subtract a 2D vector from a 2D point.

See also

a_point2_sub

operator- [3/3]

a_vector2 operator- ( a_point2 const & rhs )

friend

convert it into a vector from the point to the origin.

See also

a_point2_neg

operator-=

void operator-= ( a_point2 & lhs, a_vector2 const & rhs )

friend

subtract a 2D vector from a 2D point.

See also

a_point2_sub

operator/

a_point2 operator/ ( a_point2 const & lhs, a_real rhs )

friend

divide a 2D point by a scalar.

See also

a_point2_div

operator/=

void operator/= ( a_point2 & lhs, a_real rhs )

friend

divide a 2D point by a scalar.

See also

a_point2_div

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

• point2.h