From dbec0ecc4deadae35cbddc5a2e3b0e06843b6211 Mon Sep 17 00:00:00 2001
From: Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
Date: Tue, 29 Jul 2008 09:32:17 +0000
Subject: [PATCH] Fix the crash by initializing a Lazy_exact_nt variable.
 Finish the assign -> object_cast change.

---
 Filtered_kernel/examples/Filtered_kernel/lazykernel.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/Filtered_kernel/examples/Filtered_kernel/lazykernel.cpp b/Filtered_kernel/examples/Filtered_kernel/lazykernel.cpp
index 4a1c2555182..739575ffc14 100644
--- a/Filtered_kernel/examples/Filtered_kernel/lazykernel.cpp
+++ b/Filtered_kernel/examples/Filtered_kernel/lazykernel.cpp
@@ -22,7 +22,7 @@ typedef CGAL::Object Object;
 
 int main()
 {
-  CGAL::Lazy_exact_nt<CGAL::Gmpq> nt;
+  CGAL::Lazy_exact_nt<CGAL::Gmpq> nt = 1;
   nt = nt + nt * nt;
 
   K::Intersect_with_iterators_2 iwi;
@@ -37,7 +37,7 @@ int main()
   intersect(s1, s2, std::back_inserter(intersections));
   for(std::list<CGAL::Object>::iterator it = intersections.begin(); it != intersections.end(); it++){
     if(const Point_2 *ip = CGAL::object_cast<Point_2>(&*it)){
-      std::cout << "intersection at " << ip << std::endl;
+      std::cout << "intersection at " << *ip << std::endl;
     }
   }
 
@@ -59,11 +59,10 @@ int main()
   Segment_2 s4(Point_2(1,0), Point_2(1,2));
 
   CGAL::Object o = intersection(s3,s4);
-  Point_2 rp;
 
-  if(CGAL::assign(rp, o)){
+  if(const Point_2 *rp = CGAL::object_cast<Point_2>(&o)){
     std::cout << "Intersection is a point:" << std::endl;
-    std::cout << rp;
+    std::cout << *rp;
   }