initialize()

bool Tower::initialize ( long charac0, M2_ArrayString names0, const VECTOR(ring_elem) & extensions )

protected

Definition at line 15 of file tower.cpp.

{
  initialize_ring(charac0);
  declare_field();
 
  names = names0;
  nvars = names->len;
  level = nvars - 1;
 
  // Translate extensions to poly's
  if (extensions.size() == 0)
    {
      D = DRing::create(charac0, nvars, nullptr);
    }
  else
    {
      TowerPolynomial* exts = new TowerPolynomial[extensions.size()];
      for (int i = 0; i < extensions.size(); i++)
        exts[i] = reinterpret_cast<TowerPolynomial>(extensions[i].poly_val);
      D = DRing::create(charac0, nvars, exts);
      delete[] exts;
    }
 
  zeroV = from_long(0);
  oneV = from_long(1);
  minus_oneV = from_long(-1);
 
  return true;
}

References DRing::create(), D, Ring::declare_field(), from_long(), Ring::initialize_ring(), level, Ring::minus_oneV, names, nvars, Ring::oneV, and Ring::zeroV.