From 97a08796765f89663f264fbf80a51be321b61434 Mon Sep 17 00:00:00 2001
From: nicopietroni <nico.pietroni@isti.cnr.it>
Date: Sun, 1 May 2016 15:33:34 +0000
Subject: [PATCH] added operator <

---
 vcg/simplex/face/pos.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/vcg/simplex/face/pos.h b/vcg/simplex/face/pos.h
index 2fe02e11..fb1495ad 100644
--- a/vcg/simplex/face/pos.h
+++ b/vcg/simplex/face/pos.h
@@ -124,6 +124,12 @@ public:
                                   (v<=p.v);
     }
 
+    /// Operator to order half-edge; it's compare at the first the face pointers, then the index of the edge and finally the vertex pointers
+    inline bool operator < ( PosType const & p) const {
+        if ((*this)==p)return false;
+        return ((*this)<=p);
+    }
+
     /// Assignment operator
     inline PosType & operator = ( const PosType & h ){
         f=h.f;