Class quartic_real_coeff (o2scl)

O2scl : Class List

class o2scl::quartic_real_coeff : public o2scl::quartic_real

Solve a quartic polynomial with real coefficients and complex roots [abstract base].

Subclassed by o2scl::poly_real_coeff, o2scl::quartic_complex, o2scl::quartic_real_coeff_cern

Public Functions

~quartic_real_coeff()
int solve_r(const double a4, const double b4, const double c4, const double d4, const double e4, double &x1, double &x2, double &x3, double &x4)

Solves the polynomial \( a_4 x^4 + b_4 x^3 + c_4 x^2 + d_4 x + e_4 = 0 \) giving the four solutions \( x=x_1 \) , \( x=x_2 \) , \( x=x_3 \) , and \( x=x_4 \) .

int solve_rc(const double a4, const double b4, const double c4, const double d4, const double e4, std::complex<double> &x1, std::complex<double> &x2, std::complex<double> &x3, std::complex<double> &x4) = 0

Solves the polynomial \( a_4 x^4 + b_4 x^3 + c_4 x^2 + d_4 x + e_4 = 0 \) giving the four complex solutions \( x=x_1 \) , \( x=x_2 \) , \( x=x_3 \) , and \( x=x_4 \) .

const char *type()

Return a string denoting the type (“quartic_real_coeff”)