[postgis-tickets] r16596 - Fix function comment for lw_arc_center

[Sandro Santilli]

Author: strk
Date: 2018-05-29 01:06:15 -0700 (Tue, 29 May 2018)
New Revision: 16596

Modified:
   trunk/liblwgeom/lwalgorithm.c
Log:
Fix function comment for lw_arc_center

Modified: trunk/liblwgeom/lwalgorithm.c
===================================================================
--- trunk/liblwgeom/lwalgorithm.c	2018-05-28 23:45:38 UTC (rev 16595)
+++ trunk/liblwgeom/lwalgorithm.c	2018-05-29 08:06:15 UTC (rev 16596)
@@ -220,8 +220,9 @@
 * Determines the center of the circle defined by the three given points.
 * In the event the circle is complete, the midpoint of the segment defined
 * by the first and second points is returned.  If the points are collinear,
-* as determined by equal slopes, then NULL is returned.  If the interior
+* as determined by equal slopes, then -1.0 is returned.  If the interior
 * point is coincident with either end point, they are taken as collinear.
+* For non-collinear cases, arc radious is returned.
 */
 double
 lw_arc_center(const POINT2D *p1, const POINT2D *p2, const POINT2D *p3, POINT2D *result)