+++ /dev/null
-package tim.prune.function.compress;
-
-/**
- * Basic class to hold x and y coordinates
- * for a point or a vector
- */
-public class XYpoint
-{
- // x and y coordinates
- public double x = 0.0, y = 0.0;
-
- /**
- * Empty constructor
- */
- public XYpoint() {
- this(0.0, 0.0);
- }
-
- /**
- * Constructor
- * @param inX x value
- * @param inY y value
- */
- public XYpoint(double inX, double inY) {
- x = inX; y = inY;
- }
-
- /**
- * @param inOther other vector
- * @return scalar dot product
- */
- public double dot(XYpoint inOther) {
- return (x * inOther.x + y * inOther.y);
- }
-
- /** @return length of vector */
- public double len() {return Math.sqrt(len2());}
-
- /** @return squared length of vector */
- public double len2() {return (x*x + y*y);}
-
- /**
- * @param inOther other point object
- * @return vector from this one to the other one
- */
- public XYpoint vectorTo(XYpoint inOther) {
- return new XYpoint(inOther.x - x, inOther.y - y);
- }
-}