static void resize ( nt2::container::table<T,S> &v1 , const nt2::container::table<T,S> &v2 ) { v1.resize( v2.extent() ); }
static bool same_size ( const nt2::container::table<T,S> &v1 , const nt2::container::table<T,S> &v2 ) { return v1.extent() == v2.extent(); }