[postgis-tickets] [SCM] PostGIS branch stable-3.1 updated. 3.1.1-13-g0bece15

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- Log -----------------------------------------------------------------
commit 0bece15c745d387c5006ce66ce845cadcc7986a7
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Wed Feb 17 16:05:16 2021 -0800

    Update NEWS for #4835

diff --git a/NEWS b/NEWS
index 725aaa6..44d0283 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,7 @@ PostGIS 3.1.2
   - #4817, handle more complex compound coordinate dystems (Paul Ramsey)
   - #4842, Only do axis flips on CRS that have a "Lat" as the first column (Paul Ramsey)
   - Support recent Proj versions that have removed pj_get_release (Paul Ramsey)
+  - $4835, Adjust tolerance for geodetic calculations (Paul Ramsey)
 
 
 PostGIS 3.1.1

commit 3afd8a1150b7cf6270da82c41b7747917d38af48
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Wed Feb 17 15:56:23 2021 -0800

    Adjust geodetic tolerance, references #4835

diff --git a/liblwgeom/cunit/cu_geodetic.c b/liblwgeom/cunit/cu_geodetic.c
index ebe87cb..3021bc5 100644
--- a/liblwgeom/cunit/cu_geodetic.c
+++ b/liblwgeom/cunit/cu_geodetic.c
@@ -1184,6 +1184,15 @@ static void test_lwgeom_distance_sphere(void)
 	spheroid_init(&s, 6378137.0, 6356752.314245179498);
 	s.a = s.b = s.radius;
 
+	/* https://trac.osgeo.org/postgis/ticket/4835 */
+	lwg1 = lwgeom_from_wkt("POINT(0 90)", LW_PARSER_CHECK_NONE);
+	lwg2 = lwgeom_from_wkt("LINESTRING(-166.11 68.875,15.55 78.216667)", LW_PARSER_CHECK_NONE);
+	d = lwgeom_distance_spheroid(lwg1, lwg2, &s, 0.0);
+	// printf("%12.8g\n", d);
+	CU_ASSERT_DOUBLE_EQUAL(d, 25003.707, 0.1);
+	lwgeom_free(lwg1);
+	lwgeom_free(lwg2);
+
 	/* Line/line distance, 1 degree apart */
 	lwg1 = lwgeom_from_wkt("LINESTRING(-30 10, -20 5, -10 3, 0 1)", LW_PARSER_CHECK_NONE);
 	lwg2 = lwgeom_from_wkt("LINESTRING(-10 -5, -5 0, 5 0, 10 -5)", LW_PARSER_CHECK_NONE);
diff --git a/liblwgeom/lwgeodetic.h b/liblwgeom/lwgeodetic.h
index 3a500e5..6364db2 100644
--- a/liblwgeom/lwgeodetic.h
+++ b/liblwgeom/lwgeodetic.h
@@ -40,7 +40,7 @@
 /* Override tolerance for geodetic */
 #ifdef FP_TOLERANCE
 #undef FP_TOLERANCE
-#define FP_TOLERANCE 1e-14
+#define FP_TOLERANCE 5e-14
 #endif
 
 extern int gbox_geocentric_slow;

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

Summary of changes:
 NEWS                          | 1 +
 liblwgeom/cunit/cu_geodetic.c | 9 +++++++++
 liblwgeom/lwgeodetic.h        | 2 +-
 3 files changed, 11 insertions(+), 1 deletion(-)


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