From f7a602625fc4253ac2946ef1ada35bf9446ed13b Mon Sep 17 00:00:00 2001
From: nicopietroni <nico.pietroni@isti.cnr.it>
Date: Mon, 8 Dec 2014 15:13:32 +0000
Subject: [PATCH] minor change to merge vertex coherently (keep the same global
 ordering of the vertices)

---
 vcg/complex/algorithms/clean.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vcg/complex/algorithms/clean.h b/vcg/complex/algorithms/clean.h
index 33d50e0f..6aebc82e 100644
--- a/vcg/complex/algorithms/clean.h
+++ b/vcg/complex/algorithms/clean.h
@@ -130,7 +130,7 @@ public:
   public:
     inline bool operator()(VertexPointer const &a, VertexPointer const &b)
     {
-      return (*a).cP() < (*b).cP();
+        return ((*a).cP() == (*b).cP()) ? (a<b): ((*a).cP() < (*b).cP());
     }
   };