Class quartic_real_simple (o2scl)¶
-
class
o2scl
::
quartic_real_simple
: public o2scl::quartic_real¶ Solve a quartic with real coefficients and real roots.
Public Functions
-
quartic_real_simple
()¶
-
~quartic_real_simple
()¶
-
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_simple”)
Public Members
-
double
cube_root_tol
¶ A tolerance for determining the proper cube root (default \( 10^{-6} \) )
-