diff -ur old/LiDIA/src/base/include/LiDIA/base/sf_bigint.h new/LiDIA/src/base/include/LiDIA/base/sf_bigint.h
--- old/LiDIA/src/base/include/LiDIA/base/sf_bigint.h	2008-09-24 01:05:01.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/base/sf_bigint.h	2008-09-24 01:10:22.000000000 -0700
@@ -264,6 +264,8 @@
 
 factorization< bigint > completely_factor(const bigint & x);
 
+factorization< bigint > PollardRho(const bigint &, int);
+
 #ifdef LIDIA_NAMESPACE
 }	// end of namespace LiDIA
 # undef IN_NAMESPACE_LIDIA
diff -ur old/LiDIA/src/base/include/LiDIA/bigmod.h new/LiDIA/src/base/include/LiDIA/bigmod.h
--- old/LiDIA/src/base/include/LiDIA/bigmod.h	2008-09-24 01:05:01.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/bigmod.h	2008-09-24 01:09:16.000000000 -0700
@@ -47,7 +47,7 @@
 private :
 
 #ifndef HEADBANGER
-	static residue_class< bigint > *Mp;
+	static LiDIA::residue_class< bigint > *Mp;
 #endif
 	static bigint M;
 
@@ -59,7 +59,7 @@
 
 	static void set_modulus (const bigint & m);
 	static const bigint & modulus ();
-	static residue_class< bigint > * residue_class();
+	static LiDIA::residue_class< bigint > * residue_class();
 
 
 	//
@@ -188,7 +188,7 @@
 
 
 inline
-residue_class< bigint > *
+LiDIA::residue_class< bigint > *
 bigmod::residue_class ()
 {
 	return bigmod::Mp;
diff -ur old/LiDIA/src/base/include/LiDIA/dense_field_matrix.h new/LiDIA/src/base/include/LiDIA/dense_field_matrix.h
--- old/LiDIA/src/base/include/LiDIA/dense_field_matrix.h	2008-09-24 01:05:01.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/dense_field_matrix.h	2008-09-24 01:09:16.000000000 -0700
@@ -91,6 +91,8 @@
 
 public:
 
+	using dense_ring_matrix< T >::assign;
+
 	dense_field_matrix< T > & operator = (const dense_field_matrix< T > &B)
 	{
 		this->assign(B);
diff -ur old/LiDIA/src/base/include/LiDIA/dense_ring_matrix.h new/LiDIA/src/base/include/LiDIA/dense_ring_matrix.h
--- old/LiDIA/src/base/include/LiDIA/dense_ring_matrix.h	2008-09-24 01:05:01.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/dense_ring_matrix.h	2008-09-24 01:09:16.000000000 -0700
@@ -89,6 +89,8 @@
 
 public:
 
+	using dense_base_matrix< T >::assign;
+
 	dense_ring_matrix< T > & operator = (const dense_ring_matrix< T > &B)
 	{
 		this->assign(B);
diff -ur old/LiDIA/src/base/include/LiDIA/field_matrix.h new/LiDIA/src/base/include/LiDIA/field_matrix.h
--- old/LiDIA/src/base/include/LiDIA/field_matrix.h	2008-09-24 01:05:01.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/field_matrix.h	2008-09-24 01:09:16.000000000 -0700
@@ -130,6 +130,8 @@
 
 public:
 
+	using ring_matrix< T >::assign;
+
 	field_matrix< T > & operator = (const field_matrix< T > &B)
 	{
 // Changed by G.A.		
diff -ur old/LiDIA/src/base/include/LiDIA/matrix/sparse_ring_matrix_kernel.h new/LiDIA/src/base/include/LiDIA/matrix/sparse_ring_matrix_kernel.h
--- old/LiDIA/src/base/include/LiDIA/matrix/sparse_ring_matrix_kernel.h	2008-09-24 01:05:00.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/matrix/sparse_ring_matrix_kernel.h	2008-09-24 01:09:16.000000000 -0700
@@ -57,6 +57,7 @@
 
 	~sparse_ring_matrix_kernel () {}
 
+	using SBMK< T >::assign;
 
 	//////////////////////////////////
 	// BEGIN: arithmetic procedures //
diff -ur old/LiDIA/src/base/include/LiDIA/ring_matrix.h new/LiDIA/src/base/include/LiDIA/ring_matrix.h
--- old/LiDIA/src/base/include/LiDIA/ring_matrix.h	2008-09-24 01:05:01.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/ring_matrix.h	2008-09-24 01:09:16.000000000 -0700
@@ -120,6 +120,8 @@
 
 public:
 
+	using base_matrix< T >::assign;
+
 	ring_matrix< T > & operator = (const ring_matrix< T > &B)
 	{
 // Changed by G.A.	
diff -ur old/LiDIA/src/base/include/LiDIA/sparse_field_matrix.h new/LiDIA/src/base/include/LiDIA/sparse_field_matrix.h
--- old/LiDIA/src/base/include/LiDIA/sparse_field_matrix.h	2008-09-24 01:05:01.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/sparse_field_matrix.h	2008-09-24 01:09:16.000000000 -0700
@@ -95,6 +95,8 @@
 
 public:
 
+	using sparse_ring_matrix< T >::assign;
+
 	sparse_field_matrix< T > & operator = (const sparse_field_matrix< T > &B)
 	{
 //Changed by G.A.
diff -ur old/LiDIA/src/base/include/LiDIA/sparse_ring_matrix.h new/LiDIA/src/base/include/LiDIA/sparse_ring_matrix.h
--- old/LiDIA/src/base/include/LiDIA/sparse_ring_matrix.h	2008-09-24 01:05:01.000000000 -0700
+++ new/LiDIA/src/base/include/LiDIA/sparse_ring_matrix.h	2008-09-24 01:09:16.000000000 -0700
@@ -101,6 +101,8 @@
 
 public:
 
+	using sparse_base_matrix< T >::assign;
+
 	sparse_ring_matrix< T > & operator = (const sparse_ring_matrix< T > &B)
 	{
 //Changed by G.A.