cont_gaunt.cpp File Reference

#include "cddefines.h"
#include "physconst.h"
#include "thirdparty.h"
#include "continuum.h"

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Functions
STATIC double	RealF2_1 (double alpha, double beta, double gamma, double chi)
STATIC complex< double >	Hypergeometric2F1 (complex< double > a, complex< double > b, complex< double > c, double chi, long *NumRenorms, long *NumTerms)
STATIC complex< double >	F2_1 (complex< double > alpha, complex< double > beta, complex< double > gamma, double chi, long *NumRenormalizations, long *NumTerms)
STATIC complex< double >	HyperGeoInt (double v)
STATIC complex< double >	qg32complex (double xl, double xu, complex< double >(*fct)(double))
STATIC double	GauntIntegrand (double y)
STATIC double	FreeFreeGaunt (double x)
STATIC double	DoBeckert_etal (double etai, double etaf, double chi)
STATIC double	DoSutherland (double etai, double etaf, double chi)
static const complex< double >	Normalization (1e100, 1e100)
double	cont_gaunt_calc (double temp, double z, double photon)

Variables
static complex< double >	CMinusBMinus1
static complex< double >	BMinus1
static complex< double >	MinusA
static double	GlobalCHI
static double	Zglobal
static double	HNUglobal
static double	TEglobal

Function Documentation

double cont_gaunt_calc	(	double	,
		double	,
		double
	)

cont_gaunt_calc do table look up of gaunt factor

Parameters

temp
z
photon

Definition at line 26 of file cont_gaunt.cpp.

References ASSERT, GauntIntegrand(), qg32(), and TE1RYD.

Referenced by dgaunt(), FillGFF(), PunchGaunts(), and SanityCheckBegin().

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STATIC double DoBeckert_etal	(	double	etai,
		double	etaf,
		double	chi
	)

Todo:

2 - insert reference

Definition at line 161 of file cont_gaunt.cpp.

References ASSERT, BIGDOUBLE, Hypergeometric2F1(), MAX2, MIN2, and Normalization().

Referenced by FreeFreeGaunt().

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STATIC double DoSutherland	(	double	etai,
		double	etaf,
		double	chi
	)

Todo:

2 - insert reference

Todo:

2 - this check may also too liberal.

Definition at line 303 of file cont_gaunt.cpp.

References ASSERT, BIGDOUBLE, cdgamma(), factorial(), Hypergeometric2F1(), MAX2, MIN2, Normalization(), and POW2.

Referenced by FreeFreeGaunt().

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STATIC complex< double > F2_1	(	complex< double >	alpha,
		complex< double >	beta,
		complex< double >	gamma,
		double	chi,
		long *	NumRenormalizations,
		long *	NumTerms
	)

Definition at line 532 of file cont_gaunt.cpp.

References ioQQQ, MAX2, and Normalization().

Referenced by Hypergeometric2F1().

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STATIC double FreeFreeGaunt

(

double

x

)

Todo:

2 - These are liberal bounds, in final product, this ASSERT should be much more demanding.

Definition at line 71 of file cont_gaunt.cpp.

References ASSERT, BIGFLOAT, DoBeckert_etal(), DoSutherland(), HNUglobal, ioQQQ, PI, POW2, RealF2_1(), TE1RYD, and Zglobal.

Referenced by GauntIntegrand().

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STATIC double GauntIntegrand

(

double

y

)

Definition at line 64 of file cont_gaunt.cpp.

References FreeFreeGaunt().

Referenced by cont_gaunt_calc().

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STATIC complex< double > HyperGeoInt

(

double

v

)

Definition at line 637 of file cont_gaunt.cpp.

Referenced by Hypergeometric2F1().

STATIC complex< double > Hypergeometric2F1	(	complex< double >	a,
		complex< double >	b,
		complex< double >	c,
		double	chi,
		long *	NumRenorms,
		long *	NumTerms
	)

Todo:

2 - pick these interface values and stick with it...best results have been 0.4, 1.5

Definition at line 395 of file cont_gaunt.cpp.

References a1, a2, ASSERT, b1, b2, cdgamma(), F2_1(), HyperGeoInt(), MAX2, MIN2, Normalization(), and qg32complex().

Referenced by DoBeckert_etal(), and DoSutherland().

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static const complex<double> Normalization ( 1e100  , 1e100    )

static

Referenced by DoBeckert_etal(), DoSutherland(), F2_1(), and Hypergeometric2F1().

STATIC complex< double > qg32complex	(	double	xl,
		double	xu,
		complex< double >(*)(double)	fct
	)

Definition at line 644 of file cont_gaunt.cpp.

Referenced by Hypergeometric2F1().

STATIC double RealF2_1	(	double	alpha,
		double	beta,
		double	gamma,
		double	chi
	)

Definition at line 599 of file cont_gaunt.cpp.

Referenced by FreeFreeGaunt().

Variable Documentation

complex<double> BMinus1

static

Definition at line 22 of file cont_gaunt.cpp.

complex<double> CMinusBMinus1

static

Definition at line 22 of file cont_gaunt.cpp.

double GlobalCHI

static

Definition at line 23 of file cont_gaunt.cpp.

double HNUglobal

static

Definition at line 24 of file cont_gaunt.cpp.

Referenced by FreeFreeGaunt().

complex<double> MinusA

static

Definition at line 22 of file cont_gaunt.cpp.

double TEglobal

static

Definition at line 24 of file cont_gaunt.cpp.

double Zglobal

static

Definition at line 24 of file cont_gaunt.cpp.

Referenced by FreeFreeGaunt().