#include <RealQuadraticEquation.h>

Collaboration diagram for Trk::RealQuadraticEquation:

Public Member Functions
	RealQuadraticEquation (double alpha, double beta, double gamma)

	RealQuadraticEquation (double alpha, double beta, double gamma)

Public Attributes
double	first

double	second

RQESolutionType	solutions

Detailed Description

Definition at line 51 of file TrkDetDescr/TrkSurfaces/TrkSurfaces/RealQuadraticEquation.h.

Constructor & Destructor Documentation

◆ RealQuadraticEquation() [1/2]

Trk::RealQuadraticEquation::RealQuadraticEquation	(	double	alpha,
		double	beta,
		double	gamma
	)

inline

Definition at line 58 of file TrkDetDescr/TrkSurfaces/TrkSurfaces/RealQuadraticEquation.h.

     : first(0.)
     , second(0.)
   {
     double discriminant = beta * beta - 4 * alpha * gamma;
     if (discriminant < 0)
       solutions = none;
     else {
       solutions = (discriminant == 0) ? one : two;
       double q = -0.5 * (beta + (beta > 0 ? sqrt(discriminant) : -sqrt(discriminant)));
       first = q / alpha;
       second = gamma / q;
     }
   }

◆ RealQuadraticEquation() [2/2]

Trk::RealQuadraticEquation::RealQuadraticEquation	(	double	alpha,
		double	beta,
		double	gamma
	)

inline

Definition at line 60 of file TrkExtrapolation/TrkExUtils/TrkExUtils/RealQuadraticEquation.h.

     : first{}
     , second{}
   {
     double discriminant = beta * beta - 4 * alpha * gamma;
     if (discriminant < 0)
       solutions = none;
     else {
       solutions = (discriminant == 0) ? one : two;
       double q =
         -0.5 * (beta + (beta > 0 ? sqrt(discriminant) : -sqrt(discriminant)));
       first = q / alpha;
       second = gamma / q;
     }
   }