compare_elems()

int SchurRing2::compare_elems ( const ring_elem f, const ring_elem g ) const

virtual

Implements Ring.

Definition at line 365 of file schur2.cpp.

{
//  assuming the monomials are sorted in the linear order on the partitions
//  see SchurRing2::compare_partitions
 
  auto f_it = f.get_schur_poly()->begin(),
    f_end = f.get_schur_poly()->end();
  auto g_it = g.get_schur_poly()->begin(),
    g_end = g.get_schur_poly()->end();
 
  for(; f_it!=f_end && g_it!=g_end; ++f_it, ++g_it) {
    auto cmp = compare_partitions(f_it.getMonomial(), g_it.getMonomial());
    if(cmp) return cmp;
  }
 
  return (f_it!=f_end)-(g_it!=g_end);  // LT, EQ or GT
}

References schur_poly::begin(), compare_partitions(), schur_poly::end(), and ring_elem::get_schur_poly().