gbvector_compare()

int GBRing::gbvector_compare	(	const FreeModule *	F,
		const gbvector *	f,
		const gbvector *	g ) const

Definition at line 413 of file gbring.cpp.

{
  int cmp;
  const SchreyerOrder *S = F->get_schreyer_order();
 
  if (S)
    {
      if (_schreyer_encoded)
        cmp = S->schreyer_compare_encoded(
            f->monom, f->comp - 1, g->monom, g->comp - 1);
      else
        cmp = S->schreyer_compare(f->monom, f->comp - 1, g->monom, g->comp - 1);
    }
  else
    {
      // At this point F doesn't have a Schreyer order
      if (_up_order)
        cmp = M->compare(f->monom, -f->comp, g->monom, -g->comp);
      else
        cmp = M->compare(f->monom, f->comp, g->monom, g->comp);
    }
  return cmp;
}

References _schreyer_encoded, _up_order, M, SchreyerOrder::schreyer_compare(), and SchreyerOrder::schreyer_compare_encoded().

Referenced by find_coeff(), gbvector_add_to(), and gbvector_add_to_zzp().