From 675814c5f8df7f7d7a505c5b9ff6175b64e61ea3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sloriot.ml@gmail.com>
Date: Thu, 1 Sep 2011 13:26:45 +0000
Subject: [PATCH] normalized plane now first check if FT is a fraction

---
 Nef_S2/include/CGAL/Nef_S2/Normalizing.h | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/Nef_S2/include/CGAL/Nef_S2/Normalizing.h b/Nef_S2/include/CGAL/Nef_S2/Normalizing.h
index c142073fa28..400002b94ad 100644
--- a/Nef_S2/include/CGAL/Nef_S2/Normalizing.h
+++ b/Nef_S2/include/CGAL/Nef_S2/Normalizing.h
@@ -282,9 +282,9 @@ class Normalizing<Cartesian_tag> {
   }
 
 #endif
-
+  
   template <typename R> static
-  CGAL::Plane_3<R> normalized(const CGAL::Plane_3<R>& h) { 
+  CGAL::Plane_3<R> normalized(const CGAL::Plane_3<R>& h,Tag_true) {
     CGAL_assertion(!(h.a()==0 && h.b()==0 && h.c()==0 && h.d()==0));
 
     typedef typename R::FT FT;
@@ -326,6 +326,26 @@ class Normalizing<Cartesian_tag> {
 			       composer(vec[2],1),
 			       composer(vec[3],1));
   }
+  
+  
+  
+  template <typename R> static
+  CGAL::Plane_3<R> normalized(const CGAL::Plane_3<R>& h,Tag_false) {   
+    CGAL_assertion(!(h.a()==0 && h.b()==0 && h.c()==0 && h.d()==0));
+    typedef typename R::FT FT;
+    if (h.a()!=0)
+      return typename R::Plane_3(FT(1),h.b()/h.a(),h.c()/h.a(),h.d()/h.a());
+    if (h.b()!=0)
+      return typename R::Plane_3(h.a()/h.b(),FT(1),h.c()/h.b(),h.d()/h.b());
+    if (h.c()!=0)
+      return typename R::Plane_3(h.a()/h.c(),h.b()/h.c(),FT(1),h.d()/h.c());
+    return typename R::Plane_3(h.a()/h.d(),h.b()/h.d(),h.c()/h.d(),FT(1));
+  }
+
+  template <typename R> static
+  CGAL::Plane_3<R> normalized(const CGAL::Plane_3<R>& h) {   
+    return normalized( h,typename Fraction_traits<typename R::FT>::Is_fraction() );
+  }
 
   template <typename R> static
   CGAL::Sphere_circle<R> normalized(CGAL::Sphere_circle<R>& c) {