From 390967dfe6d5743a2ddc0a869585413c16740c67 Mon Sep 17 00:00:00 2001
From: Maxime Gimeno <maxime.gimeno@gmail.com>
Date: Mon, 16 Jul 2018 14:24:53 +0200
Subject: [PATCH] Fix warnings

---
 .../demo/Polyhedron/Scene_polylines_item.cpp   | 18 +++++++++---------
 .../Principal_component_analysis/Scene.cpp     |  7 +++----
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/Polyhedron/demo/Polyhedron/Scene_polylines_item.cpp b/Polyhedron/demo/Polyhedron/Scene_polylines_item.cpp
index e2cbcc87c27..2055f3f75d6 100644
--- a/Polyhedron/demo/Polyhedron/Scene_polylines_item.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene_polylines_item.cpp
@@ -378,15 +378,15 @@ void
 Scene_polylines_item::draw(CGAL::Three::Viewer_interface* viewer) const {
   if(!visible())
     return;
-    if(!are_buffers_filled)
-    {
-        d->computeElements();
-        d->initializeBuffers(viewer);
-    }
-    if(d->draw_extremities)
-    {
-      Scene_group_item::draw(viewer);
-    }
+  if(!are_buffers_filled)
+  {
+    d->computeElements();
+    d->initializeBuffers(viewer);
+  }
+  if(d->draw_extremities)
+  {
+    Scene_group_item::draw(viewer);
+  }
 }
 
 // Wireframe OpenGL drawing
diff --git a/Principal_component_analysis/demo/Principal_component_analysis/Scene.cpp b/Principal_component_analysis/demo/Principal_component_analysis/Scene.cpp
index f0b18be7b20..38a89df8036 100644
--- a/Principal_component_analysis/demo/Principal_component_analysis/Scene.cpp
+++ b/Principal_component_analysis/demo/Principal_component_analysis/Scene.cpp
@@ -191,12 +191,11 @@ void Scene::render_polyhedron(Viewer *viewer)
     // draw black edges
     if(m_pPolyhedron != NULL)
     {
-      typedef typename Polyhedron::Traits Kernel;
-      typedef typename Kernel::Point_3 Point;
+      typedef Kernel::Point_3 Point;
     
       std::vector<GLfloat> verts;
       
-      typename Polyhedron::Edge_iterator he;
+      Polyhedron::Edge_iterator he;
       for(he = m_pPolyhedron->edges_begin();
           he != m_pPolyhedron->edges_end();
           he++)
@@ -213,7 +212,7 @@ void Scene::render_polyhedron(Viewer *viewer)
       rendering_program.setAttributeBuffer("vertex", GL_FLOAT, 0,3);
       rendering_program.enableAttributeArray("vertex");
       buffers[3].release();
-      viewer->glDrawArrays(GL_LINES, 0, verts.size()/3);
+      viewer->glDrawArrays(GL_LINES, 0, static_cast<GLsizei>(verts.size()/3));
       vao[3].release();
     }
 }