/**
* Returns the azimuth angle of the projection of this vector on the xy-plane.
*
* <p>Note: This version uses a faster, less accurate, calculation.
*/
public double horizontalAzimuthAngleFast() {
double angle_MATHRAD = FastAtan.getInstance().atan2(this.getY(), this.getX());
return Azimuth.fromMathRad(angle_MATHRAD);
}
/** Returns the azimuth angle of the projection of this vector on the xy-plane. */
public double horizontalAzimuthAngle() {
double angle_MATHRAD = Math.atan2(this.getY(), this.getX());
return Azimuth.fromMathRad(angle_MATHRAD);
}