From 38657c4591f7ad0218d57f942a7d54ef3c9692b0 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Wed, 8 Jul 2015 15:59:04 +0200
Subject: [PATCH] Fix a warning -Wsign-compare

---
 Mesh_3/demo/Mesh_3/Scene_polygon_soup.cpp         | 4 ++--
 Mesh_3/demo/Mesh_3/Scene_polyhedron_item.cpp      | 2 +-
 Mesh_3/demo/Mesh_3/Scene_segmented_image_item.cpp | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Mesh_3/demo/Mesh_3/Scene_polygon_soup.cpp b/Mesh_3/demo/Mesh_3/Scene_polygon_soup.cpp
index c7b1b207d60..aa774b7de1f 100644
--- a/Mesh_3/demo/Mesh_3/Scene_polygon_soup.cpp
+++ b/Mesh_3/demo/Mesh_3/Scene_polygon_soup.cpp
@@ -294,7 +294,7 @@ void Scene_polygon_soup::initialize_buffers() const
         buffers[2].release();
         std::vector<float> empty_array;
         empty_array.resize(0);
-        for(int i=0; i<v_edge.size(); i++)
+        for(std::size_t i=0; i<v_edge.size(); i++)
             empty_array.push_back(0.0);
         buffers[3].bind();
         buffers[3].allocate(empty_array.data(), empty_array.size()*sizeof(float));
@@ -313,7 +313,7 @@ void Scene_polygon_soup::initialize_buffers() const
         rendering_program.setAttributeBuffer(poly_vertexLocation[0],GL_FLOAT,0,3);
         buffers[4].release();
         empty_array.resize(0);
-        for(int i=0; i<v_edge.size(); i++)
+        for(std::size_t i=0; i<v_edge.size(); i++)
             empty_array.push_back(0.0);
         buffers[5].bind();
         buffers[5].allocate(empty_array.data(), empty_array.size()*sizeof(float));
diff --git a/Mesh_3/demo/Mesh_3/Scene_polyhedron_item.cpp b/Mesh_3/demo/Mesh_3/Scene_polyhedron_item.cpp
index 1adbda0c415..830616a7afb 100644
--- a/Mesh_3/demo/Mesh_3/Scene_polyhedron_item.cpp
+++ b/Mesh_3/demo/Mesh_3/Scene_polyhedron_item.cpp
@@ -253,7 +253,7 @@ void Scene_polyhedron_item::initialize_buffers() const
         buffers[4].release();
         std::vector<float> empty_array;
         empty_array.resize(0);
-        for(int i=0; i<v_edge.size(); i++)
+        for(std::size_t i=0; i<v_edge.size(); i++)
             empty_array.push_back(0.0);
         buffers[5].bind();
         buffers[5].allocate(empty_array.data(), empty_array.size()*sizeof(float));
diff --git a/Mesh_3/demo/Mesh_3/Scene_segmented_image_item.cpp b/Mesh_3/demo/Mesh_3/Scene_segmented_image_item.cpp
index 468d5829716..b9b86f4590c 100644
--- a/Mesh_3/demo/Mesh_3/Scene_segmented_image_item.cpp
+++ b/Mesh_3/demo/Mesh_3/Scene_segmented_image_item.cpp
@@ -717,7 +717,7 @@ Scene_segmented_image_item::initialize_buffers()
 
   draw_Bbox(bbox(), v_box);
   std::vector<float> nul_vec(0);
-  for(int i=0; i<v_box->size(); i++)
+  for(std::size_t i=0; i<v_box->size(); i++)
       nul_vec.push_back(0.0);
 
   rendering_program.bind();
@@ -748,7 +748,7 @@ Scene_segmented_image_item::initialize_buffers()
   vao[0].release();
 
   color.resize(0);
-  for(int i=0; i<helper.color_size()/sizeof(GLuint); i++)
+  for(std::size_t i=0; i<helper.color_size()/sizeof(GLuint); i++)
       color.push_back(0.0);
 
   vao[1].bind();