reset_degree_n()

void DPoly::reset_degree_n ( int level, TowerPolynomial & f )

private

Definition at line 635 of file dpoly.cpp.

{
  (void) level;
  int fdeg = f->deg;
  for (int j = fdeg; j >= 0; --j)
    if (f->arr.polys[j] != nullptr)
      {
        f->deg = j;
        return;
      }
  // at this point, everything is 0!
  dealloc_poly(f);  // sets f to 0
}

References dealloc_poly().

Referenced by diff_n(), division_in_place(), division_in_place_monic(), mult_by_int_n(), and random_n().