From bc4ca5b218dcfa9c798282a756ee85f77976390c Mon Sep 17 00:00:00 2001
From: Eric Berberich <eric.berberich@cgal.org>
Date: Sun, 8 Jul 2012 10:30:22 +0000
Subject: [PATCH] silent some compiler warnings

---
 .../include/CGAL/Arr_algebraic_segment_traits_2.h            | 2 +-
 .../CGAL/Curved_kernel_via_analysis_2/Generic_arc_2.h        | 4 ++--
 .../CGAL/Curved_kernel_via_analysis_2/Generic_point_2.h      | 4 ++--
 .../Curved_kernel_via_analysis_2/Sweep_curves_adapter_2.h    | 5 +++--
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/Arrangement_on_surface_2/include/CGAL/Arr_algebraic_segment_traits_2.h b/Arrangement_on_surface_2/include/CGAL/Arr_algebraic_segment_traits_2.h
index 6cd6fff05b1..d7e37c73944 100644
--- a/Arrangement_on_surface_2/include/CGAL/Arr_algebraic_segment_traits_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/Arr_algebraic_segment_traits_2.h
@@ -65,7 +65,7 @@ public:
 
 
     // Copy constructor
-    Arr_algebraic_segment_traits_2 (const  Self& s) { /* No state...*/}
+    Arr_algebraic_segment_traits_2 (const  Self& /* s */) { /* No state...*/}
 
     // Assignement operator
     const Self& operator= (const Self& s)
diff --git a/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Generic_arc_2.h b/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Generic_arc_2.h
index 46765905157..3a9dc9ea548 100644
--- a/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Generic_arc_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Generic_arc_2.h
@@ -279,7 +279,7 @@ public:
 
 template <class SweepCurvesAdaptor_2, class Rep_>
 std::ostream& operator << (std::ostream& os,
-    const Generic_arc_2<SweepCurvesAdaptor_2, Rep_>& arc) {
+                           const Generic_arc_2<SweepCurvesAdaptor_2, Rep_>& arc) {
 
     os << arc.id() << "@";
     if(arc.is_degenerate())
@@ -291,7 +291,7 @@ std::ostream& operator << (std::ostream& os,
 
 template <class SweepCurvesAdaptor_2, class Rep_>
 std::istream& operator >> (std::istream& is,
-    Generic_arc_2<SweepCurvesAdaptor_2, Rep_>& arc) {
+                           Generic_arc_2<SweepCurvesAdaptor_2, Rep_>& /* arc */) {
 
     std::cerr << "bogus >> call for generic_arc\n";
     return is;
diff --git a/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Generic_point_2.h b/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Generic_point_2.h
index 02a4c99ccd0..fc899e5da6b 100644
--- a/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Generic_point_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Generic_point_2.h
@@ -200,7 +200,7 @@ public:
 
 template <class SweepCurvesAdaptor_2, class Rep_>
 std::ostream& operator << (std::ostream& os,
-    const Generic_point_2<SweepCurvesAdaptor_2, Rep_>& pt) {
+                           const Generic_point_2<SweepCurvesAdaptor_2, Rep_>& pt) {
 
     os << pt.id() << "@";
     if(pt.is_finite())
@@ -213,7 +213,7 @@ std::ostream& operator << (std::ostream& os,
 
 template <class SweepCurvesAdaptor_2, class Rep_>
 std::istream& operator >> (std::istream& is,
-    Generic_point_2<SweepCurvesAdaptor_2, Rep_>& pt) {
+                           Generic_point_2<SweepCurvesAdaptor_2, Rep_>& /* pt */) {
 
     std::cerr << "bogus >> call for generic_point\n";
     return is;
diff --git a/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Sweep_curves_adapter_2.h b/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Sweep_curves_adapter_2.h
index 514e5435b40..186a43d6171 100644
--- a/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Sweep_curves_adapter_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/Curved_kernel_via_analysis_2/Sweep_curves_adapter_2.h
@@ -593,8 +593,9 @@ public:
      * lexicographic order of endpoints is ensured automatically, hence no
      * special handling is required
      */
-    result_type operator()(const Arc_2& cv, const Point_2& p,
-                                          const Point_2& q) const {
+    result_type operator()(const Arc_2& cv, 
+                           const Point_2& /* p */,
+                           const Point_2& /* q */) const {
         SCA_CERR("\n\nWARNING!! New_endpoints_opposite_2: cv: " << cv <<
             "\n p: " << p << "\n q: " << q << std::endl);
         CGAL_error_msg("New_endpoints_opposite_2 deprecated and must not be \