pgp44 · April 14, 2019 04:56
diff --git a/lttb_2.sql b/lttb_2.sql
 create function triangle_surface(p1 point_t,p2 point_t,p3 point_t)
 returns float
 language SQL
 as $$
   select abs(p1.x*(p2.y-p3.y)+p2.x*(p3.y-p1.y)+p3.x*(p1.y-p2.y))/2
 $$;
	create function triangle_surface(p1 point_t,p2 point_t,p3 point_t)
	returns float
	language SQL
	as $$
	select abs(p1.x(p2.y-p3.y)+p2.x(p3.y-p1.y)+p3.x*(p1.y-p2.y))/2
	$$;