rp1.rossum
Class RsVector

java.lang.Object
  rp1.rossum.RsVector

All Implemented Interfaces:

java.io.Serializable

public class RsVector
extends java.lang.Object
implements java.io.Serializable

A representation of a 2-element vector with a limited set of vector algebra operations; used for analysis.

See Also:

Serialized Form

Field Summary

static double	NEARLY_ZERO
double	x
double	y

Constructor Summary

RsVector()

RsVector(double _x, double _y)

RsVector(RsVector v)

Method Summary

RsVector	add(RsVector v)
RsVector	add(RsVector a, RsVector b)
double	dot(RsVector v)
double	magnitude()
RsVector	normal()
RsVector	normal(RsVector v)
RsVector	scale(double scalar)
RsVector	scale(double scalar, RsVector v)
RsVector	subtract(RsVector v)
RsVector	subtract(RsVector a, RsVector b)
static double	turn(RsVector a, RsVector b)
RsVector	unit()
RsVector	unit(RsVector input)
static double	unitTurn(RsVector a, RsVector b)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

x

public double x

y

public double y

NEARLY_ZERO

public static final double NEARLY_ZERO

See Also:

Constant Field Values

Constructor Detail

RsVector

public RsVector()

RsVector

public RsVector(RsVector v)

RsVector

public RsVector(double _x,
                double _y)

Method Detail

unit

public RsVector unit()
              throws java.lang.ArithmeticException

Throws:

java.lang.ArithmeticException

unit

public RsVector unit(RsVector input)
              throws java.lang.ArithmeticException

Throws:

java.lang.ArithmeticException

normal

public RsVector normal()

normal

public RsVector normal(RsVector v)

magnitude

public double magnitude()

dot

public double dot(RsVector v)

turn

public static double turn(RsVector a,
                          RsVector b)
                   throws java.lang.ArithmeticException

Throws:

java.lang.ArithmeticException

unitTurn

public static double unitTurn(RsVector a,
                              RsVector b)

add

public RsVector add(RsVector v)

add

public RsVector add(RsVector a,
                    RsVector b)

subtract

public RsVector subtract(RsVector v)

subtract

public RsVector subtract(RsVector a,
                         RsVector b)

scale

public RsVector scale(double scalar)

scale

public RsVector scale(double scalar,
                      RsVector v)