Add BBox_d

Filtered_kernel/include/CGAL/Lazy.h

@@ -25,7 +25,7 @@
 #include <CGAL/Origin.h>
 #include <CGAL/Bbox_2.h>
 #include <CGAL/Bbox_3.h>
-#include <CGAL/Bbox.h>
+#include <CGAL/Bbox_d.h>
 #include <CGAL/Default.h>
 #include <CGAL/tss.h>
 #include <CGAL/type_traits/is_iterator.h>
@@ -98,9 +98,9 @@ CGAL_LAZY_FORWARD(Bbox_2)
 CGAL_LAZY_FORWARD(Bbox_3)
 #undef CGAL_LAZY_FORWARD
 
-template<class A, class B> Bbox<A,B> const& approx(Bbox<A,B> const& d) { return d; }
-template<class A, class B> Bbox<A,B> const& exact (Bbox<A,B> const& d) { return d; }
-template<class A, class B> int              depth (Bbox<A,B> const&  ) { return 0; }
+template<class A> Bbox_d<A> const& approx(Bbox_d<A> const& d) { return d; }
+template<class A> Bbox_d<A> const& exact (Bbox_d<A> const& d) { return d; }
+template<class A> int              depth (Bbox_d<A> const&  ) { return 0; }
 
 template<class T>inline std::enable_if_t<std::is_arithmetic<T>::value||std::is_enum<T>::value, T> approx(T d){return d;}
 template<class T>inline std::enable_if_t<std::is_arithmetic<T>::value||std::is_enum<T>::value, T> exact (T d){return d;}

Frechet_distance/include/CGAL/Frechet_distance/internal/Frechet_distance_traits.h

@@ -17,7 +17,7 @@
 
 #include <CGAL/license/Frechet_distance.h>
 
-#include <CGAL/Bbox.h>
+#include <CGAL/Bbox_d.h>
 #include <array>
 
 namespace CGAL {
@@ -36,9 +36,9 @@ public:
 
   struct Construct_bbox_d
   {
-    Bbox<Dimension, double> operator()(const Point_d& p) const
+    Bbox_d<Dimension> operator()(const Point_d& p) const
     {
-      Bbox<Dimension, double> bb;
+      Bbox_d<Dimension> bb;
       for (int i=0;i<dimension; ++i)
       {
         (bb.min)(i)=to_interval(p[i]).first;

Frechet_distance/include/CGAL/Frechet_distance/internal/Neighbor_search.h

@@ -22,7 +22,7 @@
 #include <CGAL/Search_traits_d.h>
 #include <CGAL/Search_traits.h>
 #include <CGAL/number_utils.h>
-#include <CGAL/Bbox.h>
+#include <CGAL/Bbox_d.h>
 #include <array>
 #include <iterator>
 #include <tuple>
@@ -53,7 +53,7 @@ class FrechetKdTree
 
 
     struct Point_d {
-        using BB = Bbox<Dimension_tag<dim>,FT>;
+        using BB = Bbox_d<Dimension_tag<dim>>;
         Point ends[2];
         BB bbox;
         using PP = Concatenate_iterator<typename Point::Cartesian_const_iterator, typename Point::Cartesian_const_iterator>;
@@ -232,7 +232,7 @@ auto FrechetKdTree<Traits>::to_kd_tree_point(const Polyline& curve) -> Point_d
     res.ends[0] = curve.front();
     res.ends[1] = curve.back();
     for (auto const& point : curve) {
-        Bbox<Dimension_tag<dim>,FT> bb = bbox(point);
+        Bbox_d<Dimension_tag<dim>> bb = bbox(point);
         res.bbox +=  bb;
     }
     return res;

Frechet_distance/include/CGAL/Frechet_distance/internal/curve.h

@@ -18,7 +18,7 @@
 #include <CGAL/Frechet_distance/internal/id.h>
 
 #include <CGAL/Kernel/Type_mapper.h>
-#include <CGAL/Bbox.h>
+#include <CGAL/Bbox_d.h>
 #include <CGAL/Bbox_2.h>
 #include <CGAL/Bbox_3.h>
 #include <CGAL/Cartesian_converter.h>
@@ -46,8 +46,8 @@ double length_of_diagonal(const Bbox_3& bb)
     return sqrt(d).sup();
 }
 
-template<int N, typename T>
-double length_of_diagonal(const Bbox<Dimension_tag<N>,T>& bb)
+template<int N>
+double length_of_diagonal(const Bbox_d<Dimension_tag<N>>& bb)
 {
     using I = Interval_nt<true>;
     I d = square(I((bb.max)(0)) - I((bb.min)(0)));
@@ -227,7 +227,7 @@ public:
     static constexpr int dimension =  Traits::Dimension::value;
     using Bbox = std::conditional_t<dimension==2,
                                     Bbox_2, std::conditional_t<dimension==3,
-                                                               Bbox_3, ::CGAL::Bbox<typename Traits::Dimension, double>>>;
+                                                               Bbox_3, ::CGAL::Bbox_d<typename Traits::Dimension>>>;
 
     using FT = typename Traits::FT;
     using IFT = std::conditional_t<std::is_floating_point_v<FT>, FT, CGAL::Interval_nt<false>>;

Kernel_d/doc/Kernel_d/CGAL/Bbox_d.h

@@ -0,0 +1,125 @@
+
+namespace CGAL {
+
+/*!
+\ingroup PkgKernelDKernelObjs
+
+An object `b` of the class `Bbox_d` is a bounding
+box in the d-dimensional Euclidean plane \f$ \E^d\f$. This class is templated with a dimension tag.
+
+\cgalModels{Hashable}
+
+\sa `CGAL::Bbox_2`
+\sa `CGAL::Bbox_3`
+
+*/
+
+template <typename DimensionTag>
+class Bbox_d {
+public:
+
+/// \name Creation
+/// @{
+
+/*!
+introduces an \em empty bounding box with lower left
+corner coordinates at \f$ \infty \f$
+and with upper right corner coordinates at
+\f$ -\infty \f$, \f$ \infty \f$ being
+`std::numeric_limits<double>::%infinity()`.
+*/
+  Bbox_d();
+
+/*!
+introduces a d-dimensional bounding box from a 2d bounding box.
+\pre the dimension must be 2D
+*/
+Bbox_d(const Bbox_2& b);
+
+/*!
+introduces a d-dimensional bounding box from a range.
+\pre the range must have the size of the dimension.
+\tparam I an iterator model of `InputIterator` with value type double
+*/
+template <typename I>
+Bbox_d(int d, I b, I e);
+
+/*!
+introduces a d-dimensional bounding box from a 3d bounding box.
+\pre the dimension must be 3D
+*/
+Bbox_d(const Bbox_3& b);
+
+/// @}
+
+/// \name Operations
+/// @{
+
+/*!
+ests for equality.
+*/
+bool operator==(const Bbox_d &c) const;
+
+/*!
+tests for inequality.
+*/
+bool operator!=(const Bbox_d &q) const;
+
+/*!
+returns the dimension.
+*/
+int dimension() const;
+
+
+/*!
+returns an iterator for the %Cartesian coordinates of the lower left and the upper right corner.
+*/
+Cartesian_const_iterator cartesian_begin() const;
+
+
+/*!
+returns the past-the-end iterator for the %Cartesian coordinates of the lower left and the upper right corner.
+*/
+Cartesian_const_iterator cartesian_begin() const;
+
+/*!
+returns a bounding box of `b` and `c`.
+*/
+Bbox_d operator+(const Bbox_d &c) const;
+
+/*!
+updates `b` to be the bounding box of `b` and `c` and returns itself.
+*/
+Bbox_d& operator+=(const Bbox_d &c);
+
+/*!
+dilates the bounding box by a specified number of ULP.
+*/
+void dilate(int dist);
+
+/*!
+scales the bounding box by `factor`, while keeping its center fixed.
+\pre `factor > 0`
+*/
+void scale(double factor);
+
+/// @}
+
+}; /* end Bbox_d */
+
+/// \ingroup do_overlap_grp
+/// @{
+
+/*!
+returns `true`, iff `bb1` and `bb2` overlap, i.e., iff their
+intersection is non-empty.
+
+\relates Bbox_d
+*/
+template <typename DimensionTag>
+bool do_overlap(const Bbox_d &bb1, const Bbox_d &bb2);
+
+/// @}
+
+
+} /* end namespace CGAL */

Kernel_d/doc/Kernel_d/PackageDescription.txt

@@ -62,6 +62,7 @@
 - `CGAL::Sphere_d<Kernel>`
 - `CGAL::Iso_box_d<Kernel>`
 - `CGAL::Aff_transformation_d<Kernel>`
+- `CGAL::Bbox_d<Dimension>`
 
 \cgalCRPSection{Global %Kernel Functions}
 - `CGAL::affinely_independent()`

Kernel_d/include/CGAL/Bbox_d.h

@@ -9,8 +9,8 @@
 //
 // Author(s)     : Mathieu Brédif
 
-#ifndef CGAL_BBOX_H
-#define CGAL_BBOX_H
+#ifndef CGAL_BBOX_D_H
+#define CGAL_BBOX_D_H
 
 #include <boost/config.hpp> // defines BOOST_PREVENT_MACRO_SUBSTITUTION
 #include <stddef.h>
@@ -175,26 +175,26 @@ protected:
 
 }
 
-template <typename Di, typename T>
-class Bbox;
+template <typename Di>
+class Bbox_d;
 
 // A fixed D-dimensional axis aligned box
-template<int N, typename T>
-class Bbox<Dimension_tag<N>, T> : public Impl::Bbox<std::array<T, N>, Bbox<Dimension_tag<N>,T>>
+template<int N>
+class Bbox_d<Dimension_tag<N>> : public Impl::Bbox<std::array<double, N>, Bbox_d<Dimension_tag<N>>>
 {
     enum { D = N };
-    using array_const_iterator = typename std::array<T, N>::const_iterator;
+    using array_const_iterator = typename std::array<double, N>::const_iterator;
 public:
     using Cartesian_const_iterator = Concatenate_iterator<array_const_iterator,array_const_iterator>;
 
     inline constexpr int dimension() const { return D; }
-    Bbox(int d = 0          ) { CGAL_assertion(d==N || d==0); this->init(d       ); }
-    Bbox(int d, const T& range) { CGAL_assertion(d==N || d==0); this->init(d, range); }
+    Bbox_d(int d = 0          ) { CGAL_assertion(d==N || d==0); this->init(d       ); }
+    Bbox_d(int d, double range) { CGAL_assertion(d==N || d==0); this->init(d, range); }
     template <typename I>
-    Bbox(int d, I b, I e) { CGAL_assertion(d==N || d==0); this->init(d, b, e); }
+    Bbox_d(int d, I b, I e) { CGAL_assertion(d==N || d==0); this->init(d, b, e); }
 
-    Bbox(const Bbox_2& bb2){ this->init(bb2);}
-    Bbox(const Bbox_3& bb3){ this->init(bb3);}
+    Bbox_d(const Bbox_2& bb2){ this->init(bb2);}
+    Bbox_d(const Bbox_3& bb3){ this->init(bb3);}
 
     Cartesian_const_iterator cartesian_begin() const
     {
@@ -208,15 +208,15 @@ public:
 };
 
 // A dynamic D-dimensional axis aligned box
-template<typename T>
-class Bbox<Dynamic_dimension_tag,T> : public Impl::Bbox<std::vector<T>, Bbox<Dynamic_dimension_tag,T>>
+template<>
+class Bbox_d<Dynamic_dimension_tag> : public Impl::Bbox<std::vector<double>, Bbox_d<Dynamic_dimension_tag>>
 {
 public:
     inline int dimension() const { return this->min_values.size(); }
-    Bbox(int d = 0          ) { init_values(d); this->init(d       ); }
-    Bbox(int d, const T& range) { init_values(d); this->init(d, range); }
+    Bbox_d(int d = 0          ) { init_values(d); this->init(d       ); }
+    Bbox_d(int d, double range) { init_values(d); this->init(d, range); }
     template <typename I>
-    Bbox(int d, I b, I e) { init_values(d); this->init(d, b, e); }
+    Bbox_d(int d, I b, I e) { init_values(d); this->init(d, b, e); }
 
 protected:
     void init_values(int d) {
@@ -243,17 +243,17 @@ std::istream& operator>>(std::istream& in, Impl::Bbox<Container, Derived>& bbox)
     return in;
 }
 
-template<int N, typename T>
-Bbox<Dimension_tag<N>, T> operator+(Bbox<Dimension_tag<N>, T> bbox, const Bbox<Dimension_tag<N>, T>& other)
+template<int N>
+Bbox_d<Dimension_tag<N>> operator+(Bbox_d<Dimension_tag<N>> bbox, const Bbox_d<Dimension_tag<N>>& other)
 {
     bbox += other;
     return bbox;
 }
 
-template<typename Di, typename T>
+template<typename Di>
 inline
 bool
-do_overlap(const Bbox<Di,T>& bb1, const Bbox<Di,T>& bb2)
+do_overlap(const Bbox_d<Di>& bb1, const Bbox_d<Di>& bb2)
 {
     // check for emptiness ??
     int d = bb1.dimension();
@@ -268,4 +268,4 @@ do_overlap(const Bbox<Di,T>& bb1, const Bbox<Di,T>& bb2)
 
 } // namespace CGAL
 
-#endif // CGAL_DDT_BBOX_H
+#endif // CGAL_BBOX_D_H

NewKernel_d/include/CGAL/NewKernel_d/function_objects_cartesian.h

@@ -14,7 +14,7 @@
 
 #include <CGAL/NewKernel_d/utils.h>
 #include <CGAL/Dimension.h>
-#include <CGAL/Bbox.h>
+#include <CGAL/Bbox_d.h>
 #include <CGAL/Uncertain.h>
 #include <CGAL/NewKernel_d/store_kernel.h>
 #include <CGAL/type_traits/is_iterator.h>
@@ -1016,7 +1016,7 @@ template<class R_> struct Construct_bbox : private Store_kernel<R_> {
         typedef typename Get_type<R, Point_tag>::type Point;
         typedef typename Get_functor<R, Construct_ttag<Point_cartesian_const_iterator_tag> >::type CI;
 
-        typedef Bbox<Dimension,double> result_type;
+        typedef Bbox_d<Dimension> result_type;
         typedef Point argument_type;
         result_type operator()(Point const&a)const{
                 CI ci(this->kernel());