gbelem_make()

gbA::gbelem * gbA::gbelem_make ( gbvector * f, gbvector * fsyz, gbelem_type minlevel, int deg )

private

Definition at line 362 of file gb-default.cpp.

{
  int f_leadweight;
  gbelem *g = reinterpret_cast<gbelem *>(gbelem_stash->new_elem());
  g->g.f = f;
  g->g.fsyz = fsyz;
  g->lead = exponents_make();
  R->gbvector_get_lead_exponents(_F, f, g->lead);
  g->deg = deg;
  weightInfo_->gbvector_weight(f, f_leadweight);  // return value not used
  g->gap = deg - weightInfo_->gbvector_term_weight(f);
  if (f->next == nullptr)  // a monomial.  This is a hack: we should lower the gap
                     // value when we can.
    // the problem though is that this sometimes slows down the computation
    // dramatically.
    g->gap = 0;
  g->size = R->gbvector_n_terms(f);
  g->minlevel = minlevel;
  return g;
}

References _F, gbA::gbelem::deg, exponents_make(), POLY::f, POLY::fsyz, gbA::gbelem::g, gbA::gbelem::gap, gbelem_stash, gbA::gbelem::lead, gbA::gbelem::minlevel, gbvector::next, R, gbA::gbelem::size, and weightInfo_.

Referenced by insert_gb().