void initialize_matrix_impl (M &m, ublas::packed_proxy_tag) {
typename M::size_type size1 = m.size1 ();
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
for (typename M::iterator1 i = m.begin1(); i != m.end1(); ++ i)
for (typename M::iterator2 j = i.begin(); j != i.end(); ++ j)
*j = typename M::value_type ( i.index1() * size1 + j.index2() + 1.f );
#else
for (typename M::iterator1 i = m.begin1(); i != m.end1(); ++ i)
for (typename M::iterator2 j = ublas::begin (i, ublas::iterator1_tag ()); j != ublas::end (i, ublas::iterator1_tag ()); ++ j)
*j = typename M::value_type ( i.index1() * size1 + j.index2() + 1.f );
#endif
}
static
typename M::size_type index (const typename M::iterator1 &i) {
return i.index1 ();
}
BOOST_UBLAS_INLINE static
typename M::size_type index (const typename M::iterator1 &i) {
return i.index1 ();
}