Public Member Functions | Protected Attributes | List of all members
o2scl::quartic_real_coeff_cern Class Reference

Solve a quartic with real coefficients and complex roots (CERNLIB) More...

#include <poly.h>

Inheritance diagram for o2scl::quartic_real_coeff_cern:
o2scl::quartic_real_coeff o2scl::quartic_real

Detailed Description

Definition at line 456 of file poly.h.

Public Member Functions

virtual 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 $ .
 
virtual 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")
 
- Public Member Functions inherited from o2scl::quartic_real_coeff
virtual 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 $ .
 
const char * type ()
 Return a string denoting the type ("quartic_real_coeff")
 
- Public Member Functions inherited from o2scl::quartic_real
virtual double disc_r (const double a, const double b, const double c, const double d, const double e)
 Compute the discriminant. More...
 
const char * type ()
 Return a string denoting the type ("quartic_real")
 

Protected Attributes

cubic_real_coeff_cern cub_obj
 The object to solve for the associated cubic.
 
The documentation for this class was generated from the following file:

Documentation generated with Doxygen. Provided under the GNU Free Documentation License (see License Information).