Distance.java

packagecom.jwetherell.algorithms.mathematics;

publicclassDistance {

privateDistance() { }

/*
 * Chess distance
 */
publicstaticfinallongchebyshevDistance(long[] point1, long[] point2) {
longx1 = point1[0];
longy1 = point1[1];
longx2 = point2[0];
longy2 = point2[1];
returnMath.max(Math.abs(x1 - x2), Math.abs(y1 - y2));
 }

publicstaticfinaldoublesquaredDistance(doublex1, doubley1, doublex2, doubley2) {
doublex = x1 - x2;
doubley = y1 - y2;
doublesqr = (x * x) + (y * y);
returnsqr;
 }

publicstaticfinaldoubleeuclideanDistance(doublex1, doubley1, doublex2, doubley2) {
doublex = Math.pow((x1 - x2), 2);
doubley = Math.pow((y1 - y2), 2);
doublesqrt = Math.sqrt(x + y);
returnsqrt;
 }
}