From 07fe5908146d0c241ac581874c66abbf57947ee0 Mon Sep 17 00:00:00 2001
From: Paolo Cignoni <paolo.cignoni@isti.cnr.it>
Date: Fri, 7 Oct 2016 00:49:34 +0200
Subject: [PATCH] Hue in HSV is wrapped if out of range for sake of robustness

---
 vcg/space/color4.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vcg/space/color4.h b/vcg/space/color4.h
index a16381da..bcc31a53 100644
--- a/vcg/space/color4.h
+++ b/vcg/space/color4.h
@@ -180,6 +180,8 @@ public:
         (*this)[3]=255;
         return;
       }
+      float dummy;
+      h = modff(h,&dummy);
       if(h==1.0) h = 0.0;
 
       int i   = int( floor(h*6.0) );