From 09ffa8665dcddc0be5de37d35de8a19d41e8aac5 Mon Sep 17 00:00:00 2001
From: Mariette Yvinec <Mariette.Yvinec@sophia.inria.fr>
Date: Tue, 4 Aug 1998 09:38:26 +0000
Subject: [PATCH] Initial revision

---
 .../CGAL/Constrained_triangulation_demo_2.h   | 41 ++++++++
 .../include/CGAL/Weighted_point_2.h           | 94 +++++++++++++++++++
 2 files changed, 135 insertions(+)
 create mode 100644 Packages/Triangulation_2/include/CGAL/Constrained_triangulation_demo_2.h
 create mode 100644 Packages/Triangulation_2/include/CGAL/Weighted_point_2.h

diff --git a/Packages/Triangulation_2/include/CGAL/Constrained_triangulation_demo_2.h b/Packages/Triangulation_2/include/CGAL/Constrained_triangulation_demo_2.h
new file mode 100644
index 00000000000..9364392d100
--- /dev/null
+++ b/Packages/Triangulation_2/include/CGAL/Constrained_triangulation_demo_2.h
@@ -0,0 +1,41 @@
+#ifndef CGAL_CONSTRAINED_TRIANGULATION_DEMO_2_H
+#define CGAL_CONSTRAINED_TRIANGULATION_DEMO_2_H
+
+#include <CGAL/Constrained_triangulation_2.h>
+#include <CGAL/Constrained_triangulation_sweep_demo_2.h>
+#include <CGAL/IO/Window_stream.h>
+
+// template < class Gt,class Tds>
+// class CGAL_Constrained_triangulation_sweep_demo_2;
+
+template < class Gt,class Tds>
+class CGAL_Constrained_triangulation_demo_2
+  : public CGAL_Constrained_triangulation_2<Gt,Tds>
+{
+public:
+  typedef CGAL_Constrained_triangulation_2<Gt,Tds> Constrained_triangulation;
+  typedef CGAL_Constrained_triangulation_sweep_demo_2<Gt,Tds>  Sweep_demo;
+  typedef typename Gt::Segment Segment;
+  typedef CGAL_Window_stream Window_stream;
+
+CGAL_Constrained_triangulation_demo_2() :  
+  CGAL_Constrained_triangulation_2<Gt,Tds>() {} 
+  
+CGAL_Constrained_triangulation_demo_2(const Gt& gt=Gt()) 
+  : CGAL_Constrained_triangulation_2<Gt,Tds>(gt) {}
+  
+
+CGAL_Constrained_triangulation_demo_2(Window_stream& W,
+				     list<Constraint>& lc, const Gt& gt=Gt()) 
+  : CGAL_Constrained_triangulation_2<Gt,Tds>(gt)
+{
+  Sweep_demo  sweep(W,lc, gt);
+  CGAL_Constrained_triangulation_2<Gt,Tds> Tr( sweep.vertex(), gt);
+  swap(Tr);
+  CGAL_triangulation_postcondition( is_valid() );
+}
+
+};
+
+
+#endif //CGAL_CONSTRAINED_TRIANGULATION_DEMO_2_H
diff --git a/Packages/Triangulation_2/include/CGAL/Weighted_point_2.h b/Packages/Triangulation_2/include/CGAL/Weighted_point_2.h
new file mode 100644
index 00000000000..a33e912209a
--- /dev/null
+++ b/Packages/Triangulation_2/include/CGAL/Weighted_point_2.h
@@ -0,0 +1,94 @@
+#ifndef CGAL_WEIGHTED_POINT_2_H
+#define CGAL_WEIGHTED_POINT_2_H
+
+#include <CGAL/Triangulation_2.h>
+#include <CGAL/Triangulation_euclidean_traits_2.h>
+
+template < class Pt, class We >
+class CGAL_Weighted_point_2 : public Pt
+{
+public:
+  typedef We Weight;
+  typedef Pt Point;
+  typedef typename  Point::RT RT;
+private:
+	Weight _weight;
+
+public: //constructors and destructors
+  CGAL_Weighted_point_2 ()
+    : Point ()
+  {
+    _weight=Weight ( 0 ) ;
+  }
+
+
+  CGAL_Weighted_point_2	( const CGAL_Weighted_point_2 &p0)
+  {
+    Point::operator=(p0.point() );
+    _weight=Weight( p0.weight() );
+  }
+
+#ifndef CGAL_CFG_NO_MEMBER_TEMPLATES
+	template <class Weight_0 >
+	CGAL_Weighted_point_2
+	( const CGAL_Weighted_point_2<  Point, Weight_0 > &p0) : Point(p0.point())
+	{	_weight=Weight( p0.weight() );
+	}
+#endif
+
+	CGAL_Weighted_point_2 ( const Point &p )
+		: Point ( p )
+	{	_weight=Weight ( 0 ) ;
+	}
+
+	CGAL_Weighted_point_2 ( const RT &x, const RT &y )
+		: Point ( x, y )
+	{	_weight=Weight ( 0 ) ;
+	}
+
+	CGAL_Weighted_point_2 ( const Point &p, const Weight &_weight_ )
+		: Point ( p )
+	{	_weight=_weight_;
+	}
+
+
+public:
+  // conversion from Weighted_point to Weight
+	operator Weight() const
+	{return weight();}
+
+	Point point() const
+	{	return (Point)*this;
+	}
+
+	Weight weight() const
+	{	return _weight;
+	}
+
+	Weight power(const Point &p)
+	{	return ((p.x()-x())*(p.x()-x())+(p.y()-y())*(p.y()-y())-weight()*weight());
+	}
+
+};
+
+
+template < class Point, class Weight >
+ostream &operator<<(ostream &os, const CGAL_Weighted_point_2<Point,Weight> &p)
+{
+	return os << p.point() << " " << p.weight() ;
+}
+
+template < class Point, class Weight >
+istream  &operator>>(istream  &is,  CGAL_Weighted_point_2<Point,Weight> &p)
+{
+	Weight _weight_;
+	Point _point_;
+	is >> _point_  >> _weight_ ;
+	p=CGAL_Weighted_point_2<Point,Weight>( _point_, _weight_ );
+	return is;
+}
+
+
+
+
+#endif