From d48ea169fa2c217a412d80d8b74eae3b973c4f89 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Thu, 21 Oct 2004 19:46:36 +0000
Subject: [PATCH] ZMflags check on costituent geometries only performed when
 there is at least one.

git-svn-id: http://svn.osgeo.org/postgis/trunk@1035 b70326c6-7e19-0410-871a-916f4a2858ee
---
 lwgeom/lwcollection.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/lwgeom/lwcollection.c b/lwgeom/lwcollection.c
index 61e7bf0cd..95639b6f6 100644
--- a/lwgeom/lwcollection.c
+++ b/lwgeom/lwcollection.c
@@ -24,16 +24,16 @@ lwcollection_construct(unsigned int type, int SRID, BOX2DFLOAT4 *bbox,
 	{
 		hasz = TYPE_HASZ(geoms[0]->type);
 		hasm = TYPE_HASM(geoms[0]->type);
-	}
-
 #ifdef CHECK_LWGEOM_ZM
-	zm = TYPE_GETZM(geoms[0]->type);
-	for (i=1; i<ngeoms; i++)
-	{
-		if ( zm != TYPE_GETZM(geoms[i]->type) )
-			lwerror("lwcollection_construct: mixed dimension geometries");
-	}
+		zm = TYPE_GETZM(geoms[0]->type);
+		for (i=1; i<ngeoms; i++)
+		{
+			if ( zm != TYPE_GETZM(geoms[i]->type) )
+				lwerror("lwcollection_construct: mixed dimension geometries");
+		}
 #endif
+	}
+
 
 	ret = lwalloc(sizeof(LWCOLLECTION));
 	ret->type = lwgeom_makeType_full(hasz, hasm, (SRID!=-1),
-- 
2.40.0