Cleaned up and removed unused variables and types

Arrangement_on_surface_2/examples/Arrangement_on_surface_2/draw_arr.cpp

@@ -29,27 +29,33 @@ std::tuple<unsigned char, unsigned char, unsigned char> hsv_to_rgb(float hue, fl
     red = fc;
     green = fx;
     blue = 0;
-  } else if(1 <= hue_prime && hue_prime < 2) {
+  }
+  else if(1 <= hue_prime && hue_prime < 2) {
     red = fx;
     green = fc;
     blue = 0;
-  } else if(2 <= hue_prime && hue_prime < 3) {
+  }
+  else if(2 <= hue_prime && hue_prime < 3) {
     red = 0;
     green = fc;
     blue = fx;
-  } else if(3 <= hue_prime && hue_prime < 4) {
+  }
+  else if(3 <= hue_prime && hue_prime < 4) {
     red = 0;
     green = fx;
     blue = fc;
-  } else if(4 <= hue_prime && hue_prime < 5) {
+  }
+  else if(4 <= hue_prime && hue_prime < 5) {
     red = fx;
     green = 0;
     blue = fc;
-  } else if(5 <= hue_prime && hue_prime < 6) {
+  }
+  else if(5 <= hue_prime && hue_prime < 6) {
     red = fc;
     green = 0;
     blue = fx;
-  } else {
+  }
+  else {
     red = 0;
     green = 0;
     blue = 0;
@@ -127,7 +133,7 @@ void draw_nested() {
   {
     // a hexagon centered at the origin
     const double r = 10.0;
-    for(int i = 0; i < 6; ++i) {
+    for (int i = 0; i < 6; ++i) {
       int next = (i + 1) % 6;
       Point source(r * cos(i * CGAL_PI / 3), r * sin(i * CGAL_PI / 3));
       Point target(r * cos(next * CGAL_PI / 3), r * sin(next * CGAL_PI / 3));
@@ -165,30 +171,28 @@ void draw_unbounded_linear_grid() {
   using Traits = CGAL::Arr_linear_traits_2<Kernel>;
   using Point = Traits::Point_2;
   using Segment = Traits::Segment_2;
-  using Ray = Traits::Ray_2;
   using Line = Traits::Line_2;
   using X_monotone_curve = Traits::X_monotone_curve_2;
   using Arrangement = CGAL::Arrangement_2<Traits>;
 
   Arrangement arr;
-  auto& traits = *arr.traits();
 
   // Insert a n*n grid
   int n = 5;
-  for(int i = 0; i < n; ++i) {
+  for (int i = 0; i < n; ++i) {
     Point p1(i * 5, 0);
     Point p2(i * 5, 1);
     CGAL::insert(arr, X_monotone_curve(Line(p1, p2)));
   }
-  for(int i = 0; i < n; ++i) {
+  for (int i = 0; i < n; ++i) {
     Point p1(0, i * 5);
     Point p2(1, i * 5);
     CGAL::insert(arr, X_monotone_curve(Line(p1, p2)));
   }
   // Generate a inner square(2*2) for all cells
   // And an inner triangle for each square
-  for(int i = 0; i < n; ++i) {
+  for (int i = 0; i < n; ++i) {
-    for(int j = 0; j < n; ++j) {
+    for (int j = 0; j < n; ++j) {
       Point p1(i * 5 + 1, j * 5 + 1);
       Point p2(i * 5 + 4, j * 5 + 4);
       CGAL::insert(arr, X_monotone_curve(Segment(p1, Point(p2.x(), p1.y()))));
@@ -224,7 +228,7 @@ void draw_random_segments(int n) {
   CGAL::Random random;
 
   std::vector<X_monotone_curve> curves;
-  for(int i = 0; i < n; ++i) {
+  for (int i = 0; i < n; ++i) {
     double x1 = random.get_double(-100, 100);
     double y1 = random.get_double(-100, 100);
     double x2 = random.get_double(-100, 100);

Arrangement_on_surface_2/include/CGAL/Arrangement_2/Arrangement_zone_2_impl.h

@@ -788,21 +788,21 @@ _is_to_right_impl(const Point_2& p, Halfedge_handle he,
   return (m_geom_traits->compare_xy_2_object()(p, v_right->point()) == LARGER);
 }
 
-//! checks whether an point lies to the left of another point.
+//! checks whether a point lies to the left of another point.
 template <typename Arrangement, typename ZoneVisitor>
 bool Arrangement_zone_2<Arrangement, ZoneVisitor>::
-is_to_left_impl(const Point_2& p1, Arr_parameter_space ps1,
+is_to_left_impl(const Point_2& p1, Arr_parameter_space /* ps1 */,
-                const Point_2& p2, Arr_parameter_space ps2,
+                const Point_2& p2, Arr_parameter_space /* ps2 */,
                 Arr_all_sides_oblivious_tag) const {
   auto cmp_xy = m_geom_traits->compare_xy_2_object();
   return (cmp_xy(p2, p1) == SMALLER);
 }
 
-//! checks whether an point lies to the left of another point.
+//! checks whether a point lies to the left of another point.
 template <typename Arrangement, typename ZoneVisitor>
 bool Arrangement_zone_2<Arrangement, ZoneVisitor>::
-is_to_left_impl(const Point_2& p1, Arr_parameter_space ps1,
+is_to_left_impl(const Point_2& p1, Arr_parameter_space /* ps1 */,
-                const Point_2& p2, Arr_parameter_space ps2,
+                const Point_2& p2, Arr_parameter_space /* ps2 */,
                 Arr_has_identified_side_tag) const {
   auto is_on_y_ident = m_geom_traits->is_on_y_identification_2_object();
   if (is_on_y_ident(p1)) {
@@ -817,7 +817,7 @@ is_to_left_impl(const Point_2& p1, Arr_parameter_space ps1,
   return (cmp_xy(p2, p1) == SMALLER);
 }
 
-//! checks whether an point lies to the left of another point.
+//! checks whether a point lies to the left of another point.
 template <typename Arrangement, typename ZoneVisitor>
 bool Arrangement_zone_2<Arrangement, ZoneVisitor>::
 is_to_left_impl(const Point_2& p1, Arr_parameter_space ps1,

Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_approximate_face.h

@@ -175,7 +175,7 @@ private:
     return Polyline{};
   }
 
-  void approximate_vertex(Context& ctx, const Vertex_const_handle& vh) const {
+  void approximate_vertex(Context& /* ctx */, const Vertex_const_handle& vh) const {
     if (vh->is_at_open_boundary()) return;
     m_bounded_approx_vertex(vh);
   }

Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_viewer.h

@@ -169,7 +169,7 @@ protected:
 
   Bbox_2 arr_bbox() const { return Bbox_2(0, 0, 2 * CGAL_PI, CGAL_PI); }
 
-  Bbox_2 screen_to_world(const Camera& cam) const { return Bbox_2(0, 0, 2 * CGAL_PI, CGAL_PI); }
+  Bbox_2 screen_to_world(const Camera& /* cam */) const { return Bbox_2(0, 0, 2 * CGAL_PI, CGAL_PI); }
 
   void fit_camera(const Bbox_2&, Camera& cam) {
     using Vec = qglviewer::Vec;