mark_pair()

int GBinhom_comp::mark_pair ( gb_elem * p, gb_elem * q ) const

private

Definition at line 236 of file gb-sugarless.cpp.

{
  s_pair *r;
  for (r = p->pair_list; r != nullptr; r = r->next_same)
    if (r->second == q)
      {
        if (r->compare_num >= 0)
          {
            r->compare_num = -1;
            if (M2_gbTrace >= 8)
              {
                buffer o;
                o << "---- removed pair ";
                debug_out(o, r);
                emit_line(o.str());
              }
            return 1;
          }
        else
          return 0;
      }
  for (r = q->pair_list; r != nullptr; r = r->next_same)
    if (r->second == p)
      {
        if (r->compare_num >= 0)
          {
            r->compare_num = -1;
            if (M2_gbTrace >= 8)
              {
                buffer o;
                o << "---- removed pair ";
                debug_out(o, r);
                emit_line(o.str());
              }
            return 1;
          }
        else
          return 0;
      }
  return 0;
}

References s_pair::compare_num, debug_out(), emit_line(), M2_gbTrace, s_pair::next_same, p, gb_elem::pair_list, s_pair::second, and buffer::str().

Referenced by find_pairs().