[geos-commits] [SCM] GEOS branch master updated. 1be02b3644672ac97842bfa2ad4cb2810696dc75

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- Log -----------------------------------------------------------------
commit 1be02b3644672ac97842bfa2ad4cb2810696dc75
Author: Daniel Baston <dbaston at gmail.com>
Date:   Mon Aug 27 18:09:31 2018 -0400

    Add comment explaining GEOSEqualsExact
    
    Closes #731

diff --git a/capi/geos_c.h.in b/capi/geos_c.h.in
index 8ca376b..608de40 100644
--- a/capi/geos_c.h.in
+++ b/capi/geos_c.h.in
@@ -1750,10 +1750,19 @@ extern char GEOS_DLL GEOSWithin(const GEOSGeometry* g1, const GEOSGeometry* g2);
 extern char GEOS_DLL GEOSContains(const GEOSGeometry* g1, const GEOSGeometry* g2);
 extern char GEOS_DLL GEOSOverlaps(const GEOSGeometry* g1, const GEOSGeometry* g2);
 extern char GEOS_DLL GEOSEquals(const GEOSGeometry* g1, const GEOSGeometry* g2);
-extern char GEOS_DLL GEOSEqualsExact(const GEOSGeometry* g1, const GEOSGeometry* g2, double tolerance);
 extern char GEOS_DLL GEOSCovers(const GEOSGeometry* g1, const GEOSGeometry* g2);
 extern char GEOS_DLL GEOSCoveredBy(const GEOSGeometry* g1, const GEOSGeometry* g2);
 
+/**
+ * Determine pointwise equivalence of two geometries, by checking if each vertex of g2 is
+ * within tolerance of the corresponding vertex in g1.
+ * Unlike GEOSEquals, geometries that are topologically equivalent but have different
+ * representations (e.g., LINESTRING (0 0, 1 1) and MULTILINESTRING ((0 0, 1 1)) ) are not
+ * considered equivalent by GEOSEqualsExact.
+ * returns 2 on exception, 1 on true, 0 on false
+ */
+extern char GEOS_DLL GEOSEqualsExact(const GEOSGeometry* g1, const GEOSGeometry* g2, double tolerance);
+
 /************************************************************************
  *
  *  Prepared Geometry Binary predicates - return 2 on exception, 1 on true, 0 on false

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

Summary of changes:
 capi/geos_c.h.in | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)


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