negate_in_place()

void M2::ARingTower::negate_in_place ( int level, ARingPolynomial & f ) const

private

Definition at line 358 of file aring-tower.cpp.

{
  if (f == nullptr) return;
  int deg = f->deg;
  if (level == 0)
    {
      for (int i = 0; i <= deg; i++)
        if (f->coeffs[i] != 0) mBaseRing.negate(f->coeffs[i], f->coeffs[i]);
    }
  else
    {
      for (int i = 0; i <= deg; i++)
        if (f->polys[i] != nullptr) negate_in_place(level - 1, f->polys[i]);
    }
}

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

Referenced by negate(), negate_in_place(), and subtract_in_place().