main/src/georegression/struct/GeoTuple2D_F64.java
public double distance( double x , double y ) {
		double dx = x - this.x;
		double dy = y - this.y;

		return Math.sqrt(dx*dx + dy*dy);
	}
public double distance( double x , double y ) {
		double dx = x - this.x;
		double dy = y - this.y;

		return Math.sqrt(dx*dx + dy*dy);
	}
Euclidean distance from the point
@param x x-coordinate
@param y y-coordinate
@return distance