main/src/georegression/metric/Distance2D_F64.java
public static double distanceOrigin( LineParametric2D_F64 line ) {
		double top = line.slope.y*line.p.x - line.slope.x*line.p.y;

		return Math.abs(top)/line.slope.norm();
	}
public static double distanceOrigin( LineParametric2D_F64 line ) {
		double top = line.slope.y*line.p.x - line.slope.x*line.p.y;

		return Math.abs(top)/line.slope.norm();
	}
Returns the distance of the closest point on the line from the origin
@param line Line
@return Euclidean distance