From 531884edfbdbf6ee0086feb01829b7464db947a8 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <Laurent.Rineau__CGAL@normalesup.org>
Date: Wed, 22 Sep 2010 16:05:43 +0000
Subject: [PATCH] Add a fwd-declaration of orientationC2 (for clang)

---
 Cartesian_kernel/include/CGAL/predicates/kernel_ftC2.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Cartesian_kernel/include/CGAL/predicates/kernel_ftC2.h b/Cartesian_kernel/include/CGAL/predicates/kernel_ftC2.h
index 9042ecb169e..b818a745c92 100644
--- a/Cartesian_kernel/include/CGAL/predicates/kernel_ftC2.h
+++ b/Cartesian_kernel/include/CGAL/predicates/kernel_ftC2.h
@@ -186,6 +186,14 @@ compare_y_at_xC2(const FT &l1a, const FT &l1b, const FT &l1c,
                                         h1a*num+h1c*den, h1b);
 }
 
+// forward-declaration of orientationC2, used in compare_y_at_xC2
+template < class FT >
+inline
+typename Same_uncertainty_nt<Orientation, FT>::type
+orientationC2(const FT &px, const FT &py,
+              const FT &qx, const FT &qy,
+              const FT &rx, const FT &ry);
+
 template < class FT >
 CGAL_KERNEL_LARGE_INLINE
 typename Compare<FT>::result_type