From: Paul Ramsey <pramsey@cleverelephant.ca>
Date: Wed, 20 Dec 2017 14:30:19 +0000 (+0000)
Subject: Bring epsilon fix to minimum bounding circle back to 2.4 (closes #3930)
X-Git-Tag: 2.4.3rc1~21
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ec6baaa58b692b074b2b37552c83415300daf166;p=postgis

Bring epsilon fix to minimum bounding circle back to 2.4 (closes #3930)


git-svn-id: http://svn.osgeo.org/postgis/branches/2.4@16166 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/NEWS b/NEWS
index 527276f08..738f48fe9 100644
--- a/NEWS
+++ b/NEWS
@@ -5,6 +5,8 @@ PostGIS 2.4.3
   - #3713, Support encodings that happen to output a '\' character
   - #3827, Set configure default to not do interrupt testing,
           was causing false negatives for many people
+  - #3930, Minimum bounding circle issues on 32-bit platforms
+
  * Enhancements *
   - #3944, Update to EPSG register v9.2 (Even Rouault)
 
diff --git a/liblwgeom/lwboundingcircle.c b/liblwgeom/lwboundingcircle.c
index 1cdbe41ff..ba6bc40d7 100644
--- a/liblwgeom/lwboundingcircle.c
+++ b/liblwgeom/lwboundingcircle.c
@@ -87,7 +87,7 @@ point_inside_circle(const POINT2D* p, const LWBOUNDINGCIRCLE* c)
 	if (!c)
 		return LW_FALSE;
 
-	if (distance2d_pt_pt(p, c->center) > c->radius)
+	if (distance2d_pt_pt(p, c->center) - c->radius > DBL_EPSILON)
 		return LW_FALSE;
 
 	return LW_TRUE;