From 9eaeb04023a660564abda7d67edb0bd931b42cb7 Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Mon, 3 Jun 2019 18:20:42 +0200
Subject: [PATCH] Interpolation

---
 .../examples/Interpolation/sibson_interpolation_2.cpp        | 4 ++--
 .../examples/Interpolation/sibson_interpolation_rn_2.cpp     | 5 ++---
 .../Interpolation/surface_neighbor_coordinates_3.cpp         | 5 ++---
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/Interpolation/examples/Interpolation/sibson_interpolation_2.cpp b/Interpolation/examples/Interpolation/sibson_interpolation_2.cpp
index 9402cd4b60d..d902cc15297 100644
--- a/Interpolation/examples/Interpolation/sibson_interpolation_2.cpp
+++ b/Interpolation/examples/Interpolation/sibson_interpolation_2.cpp
@@ -43,9 +43,9 @@ int main()
                                CGAL:: Data_access<Point_value_map>(value_function),
                                Traits());
 
-  for(Point_vector_map::iterator it = gradient_function.begin(); it != gradient_function.end(); ++it)
+  for(const Point_vector_map::value_type& pv : gradient_function)
   {
-    std::cout << it->first << "  "  << it->second << std::endl;
+    std::cout << pv.first << "  "  << pv.second << std::endl;
   }
   // coordinate computation
   K::Point_2 p(1.6, 1.4);
diff --git a/Interpolation/examples/Interpolation/sibson_interpolation_rn_2.cpp b/Interpolation/examples/Interpolation/sibson_interpolation_rn_2.cpp
index 3df9d430340..642329b4b28 100644
--- a/Interpolation/examples/Interpolation/sibson_interpolation_rn_2.cpp
+++ b/Interpolation/examples/Interpolation/sibson_interpolation_rn_2.cpp
@@ -52,9 +52,8 @@ int main()
                                CGAL::Data_access<Point_value_map>(value_function),
                                Traits());
 
-  for(Point_vector_map::iterator it = gradient_function.begin();
-                                 it != gradient_function.end(); ++it) {
-    std::cout << it->first << "  "  << it->second << std::endl;
+  for(const Point_vector_map::value_type& pv : gradient_function) {
+    std::cout << pv.first << "  "  << pv.second << std::endl;
   }
 
   //coordinate computation
diff --git a/Interpolation/examples/Interpolation/surface_neighbor_coordinates_3.cpp b/Interpolation/examples/Interpolation/surface_neighbor_coordinates_3.cpp
index 2a361c1a44f..e200c6cfd30 100644
--- a/Interpolation/examples/Interpolation/surface_neighbor_coordinates_3.cpp
+++ b/Interpolation/examples/Interpolation/surface_neighbor_coordinates_3.cpp
@@ -48,9 +48,8 @@ int main()
 
   std::cout << "Testing the barycentric property " << std::endl;
   Point_3 b(0, 0, 0);
-  for(std::vector< std::pair< Point_3, Coord_type > >::const_iterator
-      it = coords.begin(); it!=coords.end(); ++it)
-    b = b + (it->second/norm) * (it->first - CGAL::ORIGIN);
+  for(const std::pair< Point_3, Coord_type >& pc : coords)
+    b = b + (pc.second/norm) * (pc.first - CGAL::ORIGIN);
 
   std::cout << "    weighted barycenter: " << b <<std::endl;
   std::cout << "    squared distance: " << CGAL::squared_distance(p,b) << std::endl;