som.c File Reference

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "define.h"
#include "globals.h"
#include "fits/fitscat.h"
#include "prefs.h"
#include "som.h"

Include dependency graph for som.c:

Macros
#define	SHFT(a, b, c, d)   {(a)=(b);(b)=(c);(c)=(d);} /* For line-search */
#define	SIGN(a, b)   ((b)>0.0? fabs(a) : -fabs(a)) /* For line-search */
#define	GOLD   1.6180340 /* Golden section for line-search */
#define	CGOLD   0.3819660 /* Complement to the golden section */
#define	TINY   1e-20 /* Almost nothing */
#define	GLIMIT   100.0 /* Max. magnification in line-search */
#define	ITMAX   100 /* Max. nb of iter. in line-search */
#define	TOL   1e-1 /* Fract. tolerance in line-search */
#define	ITMAX   100
#define	EPS   1.0e-10

Functions
void	som_phot (somstruct *som, float back, float backnoise, float gain, float dx0, float dy0, float *vector, float clip)
int	som_mkweight (somstruct *som, float back, float backnoise, float gain)
float	som_err (somstruct *som, float dist, int flags)
float	som_linmin (somstruct *som)
void	som_conjgrad (somstruct *som, float ftol)
void	som_end (somstruct *som)
somstruct *	som_load (char *filename)

Macro Definition Documentation

CGOLD

#define CGOLD   0.3819660 /* Complement to the golden section */

EPS

#define EPS   1.0e-10

GLIMIT

#define GLIMIT   100.0 /* Max. magnification in line-search */

GOLD

#define GOLD   1.6180340 /* Golden section for line-search */

ITMAX [1/2]

#define ITMAX   100 /* Max. nb of iter. in line-search */

ITMAX [2/2]

#define ITMAX   100

SHFT

#define SHFT	(		a,
			b,
			c,
			d
	)		{(a)=(b);(b)=(c);(c)=(d);} /* For line-search */

SIGN

#define SIGN	(		a,
			b
	)		((b)>0.0? fabs(a) : -fabs(a)) /* For line-search */

TINY

#define TINY   1e-20 /* Almost nothing */

TOL

#define TOL   1e-1 /* Fract. tolerance in line-search */

Function Documentation

som_conjgrad()

void som_conjgrad	(	somstruct *	som,
		float	ftol
	)

som_end()

void som_end

(

somstruct *

som

)

som_err()

float som_err	(	somstruct *	som,
		float	dist,
		int	flags
	)

som_linmin()

float som_linmin

(

somstruct *

som

)

som_load()

somstruct* som_load

(

char *

filename

)

som_mkweight()

int som_mkweight	(	somstruct *	som,
		float	back,
		float	backnoise,
		float	gain
	)

som_phot()

void som_phot	(	somstruct *	som,
		float	back,
		float	backnoise,
		float	gain,
		float	dx0,
		float	dy0,
		float *	vector,
		float	clip
	)