From c7fd93063ef2bc3b426148e2eb05ee9f50f4114b Mon Sep 17 00:00:00 2001
From: alemuntoni <muntoni.alessandro@gmail.com>
Date: Tue, 17 Nov 2020 19:19:54 +0100
Subject: [PATCH] default copy constructor and assignment operator in Point2
 and Point3

---
 vcg/space/deprecated_point2.h | 14 ++++++++++----
 vcg/space/deprecated_point3.h | 25 +++++++++++++++++++------
 2 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/vcg/space/deprecated_point2.h b/vcg/space/deprecated_point2.h
index 8085d6ed..6241e78d 100644
--- a/vcg/space/deprecated_point2.h
+++ b/vcg/space/deprecated_point2.h
@@ -127,14 +127,20 @@ public:
 		_v[0] = nx; _v[1] = ny;
 	}
 	/// copy constructor
-	inline Point2 ( const Point2 & p)
+	inline Point2 ( const Point2 & p) = default;
+	/// copy constructor
+	template<class Q>
+	inline Point2 ( const Point2<Q> & p)
 	{
-		_v[0]= p._v[0];    _v[1]= p._v[1];
+		_v[0]= p[0];    _v[1]= p[1];
 	}
 	/// copy
-	inline Point2 & operator =( const Point2 & p)
+	inline Point2 & operator =( const Point2 & p) = default;
+	/// copy
+	template<class Q>
+	inline Point2 & operator =( const Point2<Q> & p)
 	{
-		_v[0]= p._v[0]; _v[1]= p._v[1];
+		_v[0]= p[0]; _v[1]= p[1];
 		return *this;
 	}
 	/// sets the point to (0,0)
diff --git a/vcg/space/deprecated_point3.h b/vcg/space/deprecated_point3.h
index 1468e9bb..dd32ebfd 100644
--- a/vcg/space/deprecated_point3.h
+++ b/vcg/space/deprecated_point3.h
@@ -133,21 +133,34 @@ public:
         _v[1] = ny;
         _v[2] = nz;
     }
-    inline Point3 ( Point3 const & p )
+	
+	/** Default copy constructor */
+	inline Point3 ( Point3 const & p ) = default;
+	
+	/** Copy from Point with different template */
+	template<class Q>
+	inline Point3 ( Point3<Q> const & p )
     {
-        _v[0]= p._v[0];
-        _v[1]= p._v[1];
-        _v[2]= p._v[2];
+        _v[0]= p[0];
+        _v[1]= p[1];
+        _v[2]= p[2];
     }
+    
     inline Point3 ( const P3ScalarType nv[3] )
     {
         _v[0] = nv[0];
         _v[1] = nv[1];
         _v[2] = nv[2];
     }
-    inline Point3 & operator =(Point3 const & p)
+	
+	/** Default copy assignment */
+    inline Point3 & operator =(Point3 const & p) = default;
+	
+	/** Copy assignment from Point with different template */
+	template<class Q>
+	inline Point3 & operator =(Point3<Q> const & p)
     {
-      _v[0] = p._v[0]; _v[1] = p._v[1]; _v[2] = p._v[2];
+      _v[0] = p[0]; _v[1] = p[1]; _v[2] = p[2];
       return *this;
     }
     inline void SetZero()