package jsci.maths;

/**
* The coordinate transformation math library.
* Provides common coordinate tranformations.
* This class cannot be subclassed or instantiated because all methods are static.
* @version 1.1
* @author Mark Hale
*/
public final class CoordinateMath extends AbstractMath {
        private CoordinateMath() {}

        /**
        * Converts cartesian coordinates to polar coordinates.
        * @return an array with [0] containing the radius and [1] containing the angle.
        */
        public static double[] cartesianToPolar(double x,double y) {
                final double rtheta[]=new double[2];
                final double xAbs=Math.abs(x);
                final double yAbs=Math.abs(y);
                if(xAbs==0.0 && yAbs==0.0)
                        rtheta[0]=0.0;
                else if(xAbs