integrator< Integrand > Class Template Reference

Class for integrating a function of type Integrand. More...

Public Member Functions
	integrator (Integrand in)
	Constructor. More...
double	integrate (double a, double b, double epsabs=10e-8, double epsrel=10e-6)
	Integrate over the integrand specified during construction. More...
double	get_error () const
	Obtain absolute error of last integration.
double	get_num_evals () const
	Obtain number of evaluations during last integration.

Detailed Description

template<class Integrand>
class QQbar_threshold::integrator< Integrand >

Class for integrating a function of type Integrand.

The function has to be real-valued.

Constructor & Destructor Documentation

integrator()

integrator ( Integrand  in )

inline

Constructor.

Parameters

in	The integrand function.

Member Function Documentation

integrate()

double integrate ( double  a, double  b, double  epsabs = 10e-8, double  epsrel = 10e-6  )

inline

Integrate over the integrand specified during construction.

Parameters

a	Lower bound of the integration.
b	Upper bound of the integration.
epsabs	Absolute accuracy
epsrel	Relative accuracy

Returns

The integral from a to b with the specified accuracy.