void Polynomial::operator-=(const Polynomial& p)
{
unsigned dp = p.get_degree();
unsigned dthis = get_degree();
auto p_coeffs = p.get_coeffs();
if(dthis<dp)
coefficients.resize(p.get_degree()+1, 0.0f);
std::transform(coefficients.cbegin(), coefficients.cbegin()+dp+1, p_coeffs.cbegin(), coefficients.begin(), std::minus<float>());
}
bool Polynomial::operator==(const Polynomial& p) const
{
if(this->get_degree()!=p.get_degree())
return false;
else
{
const std::vector<float>& coeffs1 = this->get_coeffs();
const std::vector<float>& coeffs2 = p.get_coeffs();
return std::equal(coeffs1.begin(), coeffs1.end(), coeffs2.begin());
}
}
