From 728bc98d3758a3d06913ecacf33101ed7f9fb9a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Tue, 22 Nov 2016 16:23:22 +0100
Subject: [PATCH] add missing include directive

---
 .../CGAL/internal/Triangulation_2_projection_traits_base_3.h     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Triangulation_2/include/CGAL/internal/Triangulation_2_projection_traits_base_3.h b/Triangulation_2/include/CGAL/internal/Triangulation_2_projection_traits_base_3.h
index 218d337ad8a..6d982a48194 100644
--- a/Triangulation_2/include/CGAL/internal/Triangulation_2_projection_traits_base_3.h
+++ b/Triangulation_2/include/CGAL/internal/Triangulation_2_projection_traits_base_3.h
@@ -24,6 +24,7 @@
 
 #include <CGAL/Profile_timer.h>
 #include <CGAL/intersections.h>
+#include <CGAL/predicates/sign_of_determinant.h>
 
 namespace CGAL {