docs: public static LineSegment2D_F32 convert(LineParametric2D_F32 l,
  									 int width, int height) {
  		double t0 = (0-l.p.x)/l.getSlopeX();
  		double t1 = (0-l.p.y)/l.getSlopeY();
  		double t2 = (width-l.p.x)/l.getSlopeX();
  		double t3 = (height-l.p.y)/l.getSlopeY();
  
  		Point2D_F32 a = computePoint(l, t0);
  		Point2D_F32 b = computePoint(l, t1);
  		Point2D_F32 c = computePoint(l, t2);
  		Point2D_F32 d = computePoint(l, t3);
  
  		List<Point2D_F32> inside = new ArrayList<>();
  		checkAddInside(width , height , a, inside);
  		checkAddInside(width , height , b, inside);
  		checkAddInside(width , height , c, inside);
  		checkAddInside(width , height , d, inside);
  
  		if( inside.size() != 2 ) {
  			return null;
  //			System.out.println("interesting");
  		}
  		return new LineSegment2D_F32(inside.get(0),inside.get(1));
  	}