From 01ef95783dad524dd07db8d69c239bbd8c71ccc9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20M=C3=B6ller?= <bootsarehax@gmail.com>
Date: Thu, 22 Oct 2015 16:53:04 +0200
Subject: [PATCH] Add prototype for Intersection_distance

---
 AABB_tree/include/CGAL/AABB_traits.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/AABB_tree/include/CGAL/AABB_traits.h b/AABB_tree/include/CGAL/AABB_traits.h
index 0921b4c0f8d..f27782d075f 100644
--- a/AABB_tree/include/CGAL/AABB_traits.h
+++ b/AABB_tree/include/CGAL/AABB_traits.h
@@ -300,6 +300,20 @@ public:
 
   Intersection intersection_object() const {return Intersection(*this);}
 
+  class Intersection_distance {
+    const AABB_traits<GeomTraits,AABBPrimitive>& m_traits;
+  public:
+    Intersection_distane(const AABB_traits<GeomTraits,AABBPrimitive>& traits)
+      : m_traits(traits) {}
+
+    template<typename Ray>
+    boost::optional<AABB_traits::FT> operator()(const Ray& ray, const Bounding_box& bbox) {
+      return boost::none;
+    }
+  };
+
+  Intersection_distance intersection_distance_object const { return Intersection_distance(*this); }
+
   // This should go down to the GeomTraits, i.e. the kernel
   class Closest_point {
       typedef typename AT::Point_3 Point;