is_one()

bool M2::ARingTower::is_one ( int level, const ARingPolynomial f ) const

private

Definition at line 205 of file aring-tower.cpp.

{
  if (f == nullptr) return false;
  if (f->deg != 0) return false;
  if (level == 0)
    return 1 == f->coeffs[0];
  else
    return is_one(level - 1, f->polys[0]);
}

References M2::ARingPolynomialStruct::coeffs, M2::ARingPolynomialStruct::deg, is_one(), and M2::ARingPolynomialStruct::polys.

Referenced by elem_text_out(), and is_one().