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Class pmr.euclid.Int2

java.lang.Object
   |
   +----pmr.euclid.Status
           |
           +----pmr.euclid.Int2

public class Int2

extends Status

Int2 - a pair of integers - no other assumptions

Contains two ints.

The default value is 0, 0.

Author:

(C) P. Murray-Rust, 1996

Int2()

Int2(int, int)

Int2(Int2)

copy constructor

clear()

set to 0, 0

dotProduct(Int2)

get dot product

elementAt(int)

get either value; counts from ZERO

equals(Int2)

getMidPoint(Int2)

point midway between 'this' and 'p'

getX()

get X value

getY()

get Y value

multiplyBy(int)

multiply a point by a scalar

negative()

multiply both components by -1; MODIFIES 'this'

plus(Int2)

add two points - vector sum;

setX(int)

setY(int)

sortAscending()

sorts x and y so that x <= y

sortDescending()

sorts x and y so that x >= y

subtract(Int2)

subtract two points - vector difference;

swap()

swaps the x and y values

toString()

  public Int2()

  public Int2(int x,
              int y)

  public Int2(Int2 r)

copy constructor

  public void swap()

swaps the x and y values

  public void sortAscending()

sorts x and y so that x <= y

  public void sortDescending()

sorts x and y so that x >= y

  public void clear()

set to 0, 0

  public void setX(int xx)

  public void setY(int yy)

  public boolean equals(Int2 r)

  public Int2 plus(Int2 r2)

add two points - vector sum;

  public Int2 subtract(Int2 r2)

subtract two points - vector difference;

  public void negative()

multiply both components by -1; MODIFIES 'this'

  public Int2 multiplyBy(int f)

multiply a point by a scalar

  public int getX()

get X value

  public int getY()

get Y value

  public int elementAt(int elem) throws ArrayIndexOutOfBoundsException

get either value; counts from ZERO

  public Int2 getMidPoint(Int2 p)

point midway between 'this' and 'p'

  public int dotProduct(Int2 r)

get dot product

  public String toString()

Overrides:

toString in class Object

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