From 302a41f84da0884d1ac07d653868c7d0e7604362 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Sat, 28 Jan 2023 15:33:17 +0000
Subject: made edgeptcmp public. implemented centroid for Triangle[23], and a
 homogeneous-to-barycentric coordinates conversion function for Triangle2.

---
 point.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'point.c')

diff --git a/point.c b/point.c
index 91634f0..0267c41 100644
--- a/point.c
+++ b/point.c
@@ -79,6 +79,11 @@ normvec2(Point2 v)
  *
  * Juan Pineda, “A Parallel Algorithm for Polygon Rasterization”,
  * Computer Graphics, Vol. 22, No. 8, August 1988
+ *
+ * comparison of a point p with an edge [e0 e1]
+ * p to the right: +
+ * p to the left: -
+ * p on the edge: 0
  */
 int
 edgeptcmp(Point2 e0, Point2 e1, Point2 p)
-- 
cgit v1.2.3