increase_size_n()

void DPoly::increase_size_n ( int newdeg, TowerPolynomial & f )

static

Definition at line 249 of file dpoly.cpp.

{
  assert(f != 0);
  if (f->len <= newdeg)
    {
      TowerPolynomial *newelems = newarray(TowerPolynomial, newdeg + 1);
      TowerPolynomial *fp = f->arr.polys;
      for (int i = 0; i <= f->deg; i++) newelems[i] = fp[i];
      for (int i = f->deg + 1; i < newdeg + 1; i++) newelems[i] = nullptr;
      freemem(fp);
      f->arr.polys = newelems;
      f->len = newdeg + 1;
      f->deg = newdeg;
    }
}

References freemem(), and newarray.

Referenced by add_in_place_n(), add_term(), and subtract_in_place_n().