reset_degree_0()

void DPoly::reset_degree_0 ( TowerPolynomial & f )

private

Definition at line 623 of file dpoly.cpp.

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

References dealloc_poly().

Referenced by add_in_place_0(), diff_0(), division_in_place(), division_in_place_monic(), mult_by_int_0(), and random_0().