simplefn.c File Reference

#include "simplefn.h"
#include <math.h>
#include <gsl/gsl_math.h>

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Functions
double	bndust_drude (double x, double x0, double gamma)
	Drude profile as defined in Li & Draine 2001ApJ...554..778L.
double	bndust_drudeS (double lambda, dust_drudeprofs *prof)
double	bndust_xiPAH (double a, double qgra, double axi)

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Detailed Description

Bojan Nikolic <bojan@bnikolic.co.uk>, <b.nikolic@mrao.cam.ac.uk>

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Function Documentation

double bndust_drudeS	(	double	lambda,
		dust_drudeprofs *	prof
	)

As bndust_drude but takes a structure as the parameter. Note that prof->sigma is of dimension [L] so prof->sigma, prof->lambda and lambda must _all_ of consistent units.

References bndust_drude(), dust_drudeprofs::gamma, dust_drudeprofs::sigma, and dust_drudeprofs::wavel.

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double bndust_xiPAH	(	double	a,
		double	qgra,
		double	axi
	)

This is the weighting function between the PAH-like properties and graphitic-like properties. a is the grain size in angstrom, this is normally the free parameter; qgra is the softening parameter (normal value 0.01); axi is the PAH size cutoff in agnstrom (nomal value 50)