Vector Class Reference

#include <myVector.h>

List of all members.

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Detailed Description

A 2d vector.

Public Member Functions
	Vector ()
void	normalize ()
void	setValue (double x, double y)
double	distsqr (const Vector &v)
double	getX ()
double	getY ()
void	setX (double x)
void	setY (double y)
Vector &	operator= (const Vector &v)
Vector &	operator+= (const Vector &v)
Vector &	operator-= (const Vector &v)
Vector	operator+ (const Vector &v)
Vector	operator- (const Vector &v)
Vector	operator * (const double s)
bool	operator== (const Vector &v)
bool	operator!= (const Vector &v)
Protected Attributes
double	x
double	y
Friends
std::ostream &	operator<< (std::ostream &Stream, const Vector v)

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Constructor & Destructor Documentation

Vector::Vector

(

)

{
    x = 0.0;
    y = 0.0;
}

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Member Function Documentation

double Vector::distsqr

(

const Vector &

v

)

{
    Vector temp;
    temp.setValue(x - v.x, y - v.y);
    return temp.x*temp.x + temp.y*temp.y;
}

double Vector::getX

(

)

[inline]

{ return x; }

double Vector::getY

(

)

[inline]

{ return y; }

void Vector::normalize

(

)

{
    double temp;
    temp = sqrt((x*x + y*y));
    if(temp != 0.0) {
        x /= temp;
        y /= temp;
    }
}

Vector Vector::operator *

(

const double

s

)

{
    Vector temp;
    temp.setValue(x*s, y*s);
    return temp;
}

bool Vector::operator!=

(

const Vector &

v

)

{
    if(this->x == v.x && this->y == v.y) return false;
    return true;
}

Vector Vector::operator+

(

const Vector &

v

)

{
    Vector temp;
    temp.setValue(x + v.x, y + v.y);
    return temp;
}

Vector & Vector::operator+=

(

const Vector &

v

)

{
    x += v.x;
    y += v.y;
    return *this;
}

Vector Vector::operator-

(

const Vector &

v

)

{
    Vector temp;
    temp.setValue(x - v.x, y - v.y);
    return temp;
}

Vector & Vector::operator-=

(

const Vector &

v

)

{
    x -= v.x;
    y -= v.y;
    return *this;
}

Vector & Vector::operator=

(

const Vector &

v

)

{
    x = v.x;
    y = v.y;
    return *this;
}

bool Vector::operator==

(

const Vector &

v

)

{
    if(this->x == v.x && this->y == v.y) return true;
    return false;
}

void Vector::setValue	(	double	x,
		double	y
	)

{
    this->x = x;
    this->y = y;
}

void Vector::setX

(

double

x

)

[inline]

{ this->x = x; }

void Vector::setY

(

double

y

)

[inline]

{ this->y = y; }

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Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	Stream,
		const Vector	v
	)			[friend]

{
    return Stream << "[" << v.x << ", " << v.y << "]";
}

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Member Data Documentation

double Vector::x [protected]

double Vector::y [protected]

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

• myVector.h
• myVector.cc

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