[postgis-tickets] [SCM] PostGIS branch master updated. 3.3.0rc1-32-g995e5052d

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- Log -----------------------------------------------------------------
commit 995e5052d56923ba8708914999478f57e9461b42
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Wed Aug 17 13:45:41 2022 -0700

    Short circuit geodesic distance when input points are equal (References #5171)

diff --git a/liblwgeom/lwspheroid.c b/liblwgeom/lwspheroid.c
index 59368db42..bf8c5cbef 100644
--- a/liblwgeom/lwspheroid.c
+++ b/liblwgeom/lwspheroid.c
@@ -79,6 +79,11 @@ static double spheroid_big_b(double u2)
 double spheroid_distance(const GEOGRAPHIC_POINT *a, const GEOGRAPHIC_POINT *b, const SPHEROID *spheroid)
 {
 	struct geod_geodesic gd;
+
+	/* Same point => zero distance */
+	if ( geographic_point_equals(a, b) )
+		return 0.0;
+
 	geod_init(&gd, spheroid->a, spheroid->f);
 	double lat1 = a->lat * 180.0 / M_PI;
 	double lon1 = a->lon * 180.0 / M_PI;

-----------------------------------------------------------------------

Summary of changes:
 liblwgeom/lwspheroid.c | 5 +++++
 1 file changed, 5 insertions(+)


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