From e64096febe8aa25f6318131042cb5c921233488e Mon Sep 17 00:00:00 2001
From: alemuntoni <muntoni.alessandro@gmail.com>
Date: Wed, 6 May 2020 12:00:29 +0200
Subject: [PATCH 1/3] removed unuseful matrix44 copy constructor

---
 vcg/math/matrix44.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/vcg/math/matrix44.h b/vcg/math/matrix44.h
index 2ea806d6..2dca8aca 100644
--- a/vcg/math/matrix44.h
+++ b/vcg/math/matrix44.h
@@ -85,7 +85,7 @@ public:
     */
     Matrix44() {}
     ~Matrix44() {}
-    Matrix44(const Matrix44 &m);
+    //Matrix44(const Matrix44 &m);
     Matrix44(const T v[]);
 
     T &ElementAt(const int row, const int col);
@@ -243,9 +243,9 @@ typedef Matrix44<double> Matrix44d;
 
 
 
-template <class T> Matrix44<T>::Matrix44(const Matrix44<T> &m) {
-    memcpy((T *)_a, (const T *)m._a, 16 * sizeof(T));
-}
+//template <class T> Matrix44<T>::Matrix44(const Matrix44<T> &m) {
+//    memcpy((T *)_a, (const T *)m._a, 16 * sizeof(T));
+//}
 
 template <class T> Matrix44<T>::Matrix44(const T v[]) {
     memcpy((T *)_a, v, 16 * sizeof(T));

From 59b67d95d37a0e8a70e79bd5bc093332d5c4ba51 Mon Sep 17 00:00:00 2001
From: alemuntoni <muntoni.alessandro@gmail.com>
Date: Wed, 6 May 2020 15:56:15 +0200
Subject: [PATCH 2/3] removed FacePos and PerMeshAttributeHandle assignment
 operators

---
 vcg/complex/base.h     | 10 +++++-----
 vcg/simplex/face/pos.h | 12 ++++++------
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/vcg/complex/base.h b/vcg/complex/base.h
index b58baa5c..c2f17442 100644
--- a/vcg/complex/base.h
+++ b/vcg/complex/base.h
@@ -332,11 +332,11 @@ public:
 	public:
 		PerMeshAttributeHandle(){_handle=NULL;}
 		PerMeshAttributeHandle(void *ah,const int & n):_handle ( (Attribute<ATTR_TYPE> *)ah ),n_attr(n){}
-		PerMeshAttributeHandle operator = ( const PerMeshAttributeHandle & pva){
-			_handle = (Attribute<ATTR_TYPE> *)pva._handle;
-			n_attr = pva.n_attr;
-			return (*this);
-		}
+		//PerMeshAttributeHandle operator = ( const PerMeshAttributeHandle & pva){
+		//	_handle = (Attribute<ATTR_TYPE> *)pva._handle;
+		//	n_attr = pva.n_attr;
+		//	return (*this);
+		//}
 
 		Attribute<ATTR_TYPE> * _handle;
 		int n_attr;
diff --git a/vcg/simplex/face/pos.h b/vcg/simplex/face/pos.h
index 0f7dedc4..bfc0103f 100644
--- a/vcg/simplex/face/pos.h
+++ b/vcg/simplex/face/pos.h
@@ -129,12 +129,12 @@ public:
     }
 
     /// Assignment operator
-    inline PosType & operator = ( const PosType & h ){
-        f=h.f;
-        z=h.z;
-        v=h.v;
-        return *this;
-    }
+    //inline PosType & operator = ( const PosType & h ){
+    //    f=h.f;
+    //    z=h.z;
+    //    v=h.v;
+    //    return *this;
+    //}
 
     /// Set to null the half-edge
     void SetNull(){

From f1a642ad28df3b4cac68c73f355b8a16237e5569 Mon Sep 17 00:00:00 2001
From: alemuntoni <muntoni.alessandro@gmail.com>
Date: Tue, 12 May 2020 15:31:58 +0200
Subject: [PATCH 3/3] removed using namespace std from header file

---
 vcg/complex/algorithms/mesh_to_matrix.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/vcg/complex/algorithms/mesh_to_matrix.h b/vcg/complex/algorithms/mesh_to_matrix.h
index 06ff42f6..96e4a2c1 100644
--- a/vcg/complex/algorithms/mesh_to_matrix.h
+++ b/vcg/complex/algorithms/mesh_to_matrix.h
@@ -28,8 +28,6 @@
 #include <vcg/complex/algorithms/update/quality.h>
 #include <vcg/complex/algorithms/harmonic.h>
 
-using namespace std;
-
 namespace vcg {
 namespace tri {
 template < typename MeshType >