tanhderiv Namespace Reference

Classes
struct	my_f_params

Functions
double	my_f (double x, void *p)
double	integrate (const double &a, const double &s0, const double &lambdaleft, const double &lambdaright, const int &n)

Detailed Description

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Integrate performs a contour integral to find the nth derivative of the
Tanh model fringe function. It uses Cauchy's integral formula to do so.

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Class category: AbsBeamline
Author: Martin Duy Tat

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Function Documentation

double tanhderiv::integrate	(	const double &	a,
		const double &	s0,
		const double &	lambdaleft,
		const double &	lambdaright,
		const int &	n
	)

Perform Cauchy's integral to find derivative

Parameters

a	-> Point of differentiation
s0	-> Centre fringe length
lambdaleft	-> Left fringe field length
lambdaright	-> Left fringe field length
n	-> nth derivative

Definition at line 66 of file tanhDeriv.cpp.

References my_f(), and test::result.

Referenced by MultipoleTBase::getFringeDeriv(), and MultipoleT::getFringeDeriv().

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double tanhderiv::my_f	(	double	x,
		void *	p
	)

Integrand

Parameters

x	-> Independent parameter to be integrated
p	-> Pointer to struct of parameters

Definition at line 48 of file tanhDeriv.cpp.

References tanhderiv::my_f_params::a, tanhderiv::my_f_params::lambdaleft, tanhderiv::my_f_params::lambdaright, tanhderiv::my_f_params::n, tanhderiv::my_f_params::r, and tanhderiv::my_f_params::s0.

Referenced by integrate().