From f6c4926d41c5f420974f9e87e99b6ec2b74e4c60 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Thu, 21 Oct 2010 08:59:07 +0000
Subject: [PATCH] PAL22090 Qudrangle_2D preference Type works incorrectly with
 Sub-mesh on concave edges.    Fix Reverse() for the case of degenarated side
 (3-d constructor)

---
 src/StdMeshers/StdMeshers_FaceSide.cxx | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/StdMeshers/StdMeshers_FaceSide.cxx b/src/StdMeshers/StdMeshers_FaceSide.cxx
index 036da0ba9..f882f5c92 100644
--- a/src/StdMeshers/StdMeshers_FaceSide.cxx
+++ b/src/StdMeshers/StdMeshers_FaceSide.cxx
@@ -452,9 +452,12 @@ void StdMeshers_FaceSide::Reverse()
     reverse( myEdgeLength );
     reverse( myIsUniform );
   }
-  myNormPar[nbEdges-1]=1.;
-  myPoints.clear();
-  myFalsePoints.clear();
+  if ( nbEdges > 0 )
+  {
+    myNormPar[nbEdges-1]=1.;
+    myPoints.clear();
+    myFalsePoints.clear();
+  }
 }
 
 //================================================================================
-- 
2.39.2