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cbf_airy_disk.h
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/**********************************************************************
* cbf_airy_disk.h -- functions for airy-disk point spread *
* *
* ccbf_airy_disk.h version 1 *
* *
* Kaden Badalian and Herbert J. Bernstein *
* CBFlib Version 0.9.5.4 21 June 2015 *
* *
* Paul Ellis and *
* Herbert J. Bernstein ([email protected]) *
* *
* (C) Copyright 2015 Herbert J. Bernstein *
* *
**********************************************************************/
/**********************************************************************
* *
* YOU MAY REDISTRIBUTE THE CBFLIB PACKAGE UNDER THE TERMS OF THE GPL *
* *
* ALTERNATIVELY YOU MAY REDISTRIBUTE THE CBFLIB API UNDER THE TERMS *
* OF THE LGPL *
* *
**********************************************************************/
/*************************** GPL NOTICES ******************************
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* (the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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**********************************************************************/
/************************* LGPL NOTICES *******************************
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**********************************************************************/
/**********************************************************************
* *
* Stanford University Notices *
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#ifdef __cplusplus
extern "C" {
#endif
#ifndef CBF_AIRY_DISK_H
#define CBF_AIRY_DISK_H
#include <stdio.h>
#include <math.h>
#ifndef CBF_AIRY_DISK_C
extern const double cbf_airy_unit_disk_partvol_1D[20];
extern const double cbf_airy_unit_disk_partvol_2D[20][20];
#endif
#define CBF_AIRY_UNIT_DISK_FWHM 0.8434376803
/* compute the value of a normalized Airy disk to the first
minimum, with that minimum at r=1, a volume of 1
and a fwhm of 0.8434376803. This is a series approximation good
to 8 decimal places. The value is forced to zero outside
the unit disk */
int cbf_airy_unit_disk(double x, double y, double *value);
int cbf_airy_disk(double x, double y,
double cenx, double ceny,
double volume, double fwhm, double * value);
int cbf_airy_simpsons_rule_step(double xlo, double ylo,
double xhi, double yhi,
double * value);
int cbf_airy_unit_disk_volume(double xlo, double ylo,
double xhi, double yhi,
int steps, double * volume);
int cbf_airy_disk_volume(double xlo, double ylo,
double xhi, double yhi,
double cenx, double ceny,
double volumein, double fwhm,
double * volumeout);
#endif /* defined(CBF_AIRY_DISK_H) */
#ifdef __cplusplus
}
#endif