Class quartic_real_coeff_cern (o2scl)¶
-
class
o2scl
::
quartic_real_coeff_cern
: public o2scl::quartic_real_coeff¶ Solve a quartic with real coefficients and complex roots (CERNLIB)
Public Functions
-
~quartic_real_coeff_cern
()¶
-
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)¶ 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 \( x=x_4 \) .
-
int
rrteq4
(double a, double b, double c, double d, std::complex<double> z[], double &dc, int &mt)¶ The CERNLIB-like interface.
-
const char *
type
()¶ Return a string denoting the type (“quartic_real_coeff_cern”)
Protected Attributes
-
cubic_real_coeff_cern
cub_obj
¶ The object to solve for the associated cubic.
-