mult_by_coeff() [2/2]

void M2::ARingTower::mult_by_coeff ( int level, ARingPolynomial & f, const BaseCoefficientType & b ) const

private

Definition at line 400 of file aring-tower.cpp.

{
  assert(!mBaseRing.is_zero(b));
  if (f == nullptr) return;
 
  long deg = f->deg;
  if (level == 0)
    {
      for (int i = 0; i <= deg; i++)
        if (f->coeffs[i] != 0) mBaseRing.mult(f->coeffs[i], f->coeffs[i], b);
    }
  else
    {
      for (int i = 0; i <= deg; i++)
        if (f->polys[i] != nullptr) mult_by_coeff(level - 1, f->polys[i], b);
    }
}

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