From 4e2808a64ed5b64fe00ab445ec35a5826e70dda4 Mon Sep 17 00:00:00 2001
From: cignoni <paolo.cignoni@isti.cnr.it>
Date: Fri, 12 Dec 2008 15:06:27 +0000
Subject: [PATCH] added assert for avoiding to put trash into a histogram

---
 vcg/complex/trimesh/stat.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/vcg/complex/trimesh/stat.h b/vcg/complex/trimesh/stat.h
index 2d12d3c9..35bff192 100644
--- a/vcg/complex/trimesh/stat.h
+++ b/vcg/complex/trimesh/stat.h
@@ -117,8 +117,11 @@ class Stat
 				h.Clear();
 				h.SetRange( minmax.first,minmax.second, HistSize);
 				for(vi = m.vert.begin(); vi != m.vert.end(); ++vi)
-						if(!(*vi).IsD()) h.Add((*vi).Q());
-						
+						if(!(*vi).IsD())
+							{
+								assert(!math::IsNAN((*vi).Q()));
+								h.Add((*vi).Q());
+							}						
 				// Sanity check; If some very wrong value has happened in the Q value, 
 				// the histogram is messed. If a significant percentage (20% )of the values are all in a single bin
 				// we should try to solve the problem. No easy solution here.