diff -Naur boost/numeric/ublas.orig/functional.hpp boost/numeric/ublas.new/functional.hpp
--- boost/numeric/ublas.orig/functional.hpp	2010-06-25 09:27:33.000000000 +0200
+++ boost/numeric/ublas.new/functional.hpp	2010-06-25 10:52:39.000000000 +0200
@@ -1730,22 +1730,22 @@
         // FIXME: this should not be used at all
         static
         BOOST_UBLAS_INLINE
-        size_type restrict1 (size_type i, size_type j) {
+        size_type restrict1 (size_type i, size_type /* j */) {
             return i;
         }
         static
         BOOST_UBLAS_INLINE
-        size_type restrict2 (size_type i, size_type j) {
+        size_type restrict2 (size_type /* i */, size_type j) {
             return j;
         }
         static
         BOOST_UBLAS_INLINE
-        size_type mutable_restrict1 (size_type i, size_type j) {
+        size_type mutable_restrict1 (size_type i, size_type /* j */) {
             return i;
         }
         static
         BOOST_UBLAS_INLINE
-        size_type mutable_restrict2 (size_type i, size_type j) {
+        size_type mutable_restrict2 (size_type /* i */, size_type j) {
             return j;
         }
     };
@@ -1780,7 +1780,9 @@
             template<class LAYOUT>
             static
             BOOST_UBLAS_INLINE
-            size_type element (LAYOUT l, size_type i, size_type size_i, size_type j, size_type size_j) {
+            size_type element (LAYOUT /* l */, size_type i, size_type size_i, size_type j, size_type size_j) {
+				//detail::ignore_unused_variable_warning( l );
+
                 return L::element(typename LAYOUT::transposed_layout(), j, size_j, i, size_i);
             }
 
@@ -1877,7 +1879,9 @@
         // return nearest valid mutable index in column j
         static
         BOOST_UBLAS_INLINE
-        size_type mutable_restrict1 (size_type i, size_type j, size_type size1, size_type size2) {
+        size_type mutable_restrict1 (size_type i, size_type j, size_type size1, size_type /* size2 */) {
+			//detail::ignore_unused_variable_warning( size2 );
+
             return (std::max)(j, (std::min) (size1, i));
         }
         // return nearest valid mutable index in row i
@@ -1890,26 +1894,32 @@
         // return an index between the first and (1+last) filled row
         static
         BOOST_UBLAS_INLINE
-        size_type global_restrict1 (size_type index1, size_type size1, size_type index2, size_type size2) {
+        size_type global_restrict1 (size_type index1, size_type size1, size_type /* index2 */, size_type /* size2 */) {
             return (std::max)(size_type(0), (std::min)(size1, index1) );
         }
         // return an index between the first and (1+last) filled column
         static
         BOOST_UBLAS_INLINE
-        size_type global_restrict2 (size_type index1, size_type size1, size_type index2, size_type size2) {
+        size_type global_restrict2 (size_type /* index1 */, size_type /* size1 */, size_type index2, size_type size2) {
             return (std::max)(size_type(0), (std::min)(size2, index2) );
         }
 
         // return an index between the first and (1+last) filled mutable row
         static
         BOOST_UBLAS_INLINE
-        size_type global_mutable_restrict1 (size_type index1, size_type size1, size_type index2, size_type size2) {
+        size_type global_mutable_restrict1 (size_type index1, size_type size1, size_type /* index2 */, size_type /* size2 */) {
+			//detail::ignore_unused_variable_warning( index2 );
+			//detail::ignore_unused_variable_warning( size2 );
+
             return (std::max)(size_type(0), (std::min)(size1, index1) );
         }
         // return an index between the first and (1+last) filled mutable column
         static
         BOOST_UBLAS_INLINE
-        size_type global_mutable_restrict2 (size_type index1, size_type size1, size_type index2, size_type size2) {
+        size_type global_mutable_restrict2 (size_type /* index1 */, size_type /* size1 */, size_type index2, size_type size2) {
+			//detail::ignore_unused_variable_warning( index1 );
+			//detail::ignore_unused_variable_warning( size1 );
+
             return (std::max)(size_type(0), (std::min)(size2, index2) );
         }
     };
@@ -1950,25 +1960,25 @@
 
         static
         BOOST_UBLAS_INLINE
-        size_type mutable_restrict1 (size_type i, size_type j, size_type size1, size_type size2) {
+        size_type mutable_restrict1 (size_type i, size_type j, size_type size1, size_type /* size2 */) {
             return (std::max)(j+1, (std::min) (size1, i));
         }
         static
         BOOST_UBLAS_INLINE
-        size_type mutable_restrict2 (size_type i, size_type j, size_type size1, size_type size2) {
+        size_type mutable_restrict2 (size_type i, size_type j, size_type /* size1 */, size_type /* size2 */) {
             return (std::max)(size_type(0), (std::min) (i, j));
         }
 
         // return an index between the first and (1+last) filled mutable row
         static
         BOOST_UBLAS_INLINE
-        size_type global_mutable_restrict1 (size_type index1, size_type size1, size_type index2, size_type size2) {
+        size_type global_mutable_restrict1 (size_type index1, size_type size1, size_type /* index2 */, size_type /* size2 */) {
             return (std::max)(size_type(1), (std::min)(size1, index1) );
         }
         // return an index between the first and (1+last) filled mutable column
         static
         BOOST_UBLAS_INLINE
-        size_type global_mutable_restrict2 (size_type index1, size_type size1, size_type index2, size_type size2) {
+        size_type global_mutable_restrict2 (size_type /* index1 */, size_type /* size1 */, size_type index2, size_type size2) {
             BOOST_UBLAS_CHECK( size2 >= 1 , external_logic() );
             return (std::max)(size_type(0), (std::min)(size2-1, index2) );
         }