quantize.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <limits.h>
#include <float.h>
#include "fitsio2.h"

Include dependency graph for quantize.c:

Macros
#define	NINT(x)   ((x >= 0.) ? (int) (x + 0.5) : (int) (x - 0.5))
#define	NULL_VALUE   -2147483647 /* value used to represent undefined pixels */
#define	ZERO_VALUE   -2147483646 /* value used to represent zero-valued pixels */
#define	N_RESERVED_VALUES   10 /* number of reserved values, starting with */
#define	SIGMA_CLIP   5.
#define	NITER   3 /* number of sigma-clipping iterations */
#define	ELEM_SWAP(a, b)   { register float t=(a);(a)=(b);(b)=t; }
#define	ELEM_SWAP(a, b)   { register short t=(a);(a)=(b);(b)=t; }
#define	ELEM_SWAP(a, b)   { register int t=(a);(a)=(b);(b)=t; }
#define	ELEM_SWAP(a, b)   { register LONGLONG t=(a);(a)=(b);(b)=t; }
#define	ELEM_SWAP(a, b)   { register double t=(a);(a)=(b);(b)=t; }

Functions
int	fits_quantize_float (long row, float fdata[], long nxpix, long nypix, int nullcheck, float in_null_value, float qlevel, int dither_method, int idata[], double *bscale, double *bzero, int *iminval, int *imaxval)
int	fits_quantize_double (long row, double fdata[], long nxpix, long nypix, int nullcheck, double in_null_value, float qlevel, int dither_method, int idata[], double *bscale, double *bzero, int *iminval, int *imaxval)
int	fits_img_stats_short (short *array, long nx, long ny, int nullcheck, short nullvalue, long *ngoodpix, short *minvalue, short *maxvalue, double *mean, double *sigma, double *noise1, double *noise2, double *noise3, double *noise5, int *status)
int	fits_img_stats_int (int *array, long nx, long ny, int nullcheck, int nullvalue, long *ngoodpix, int *minvalue, int *maxvalue, double *mean, double *sigma, double *noise1, double *noise2, double *noise3, double *noise5, int *status)
int	fits_img_stats_float (float *array, long nx, long ny, int nullcheck, float nullvalue, long *ngoodpix, float *minvalue, float *maxvalue, double *mean, double *sigma, double *noise1, double *noise2, double *noise3, double *noise5, int *status)

Macro Definition Documentation

#define ELEM_SWAP	(		a,
			b
	)		{ register float t=(a);(a)=(b);(b)=t; }

#define ELEM_SWAP	(		a,
			b
	)		{ register short t=(a);(a)=(b);(b)=t; }

#define ELEM_SWAP	(		a,
			b
	)		{ register int t=(a);(a)=(b);(b)=t; }

#define ELEM_SWAP	(		a,
			b
	)		{ register LONGLONG t=(a);(a)=(b);(b)=t; }

#define ELEM_SWAP	(		a,
			b
	)		{ register double t=(a);(a)=(b);(b)=t; }

#define N_RESERVED_VALUES   10 /* number of reserved values, starting with */

#define NINT

(

x

)

((x >= 0.) ? (int) (x + 0.5) : (int) (x - 0.5))

#define NITER   3 /* number of sigma-clipping iterations */

#define NULL_VALUE   -2147483647 /* value used to represent undefined pixels */

#define SIGMA_CLIP   5.

#define ZERO_VALUE   -2147483646 /* value used to represent zero-valued pixels */

Function Documentation

int fits_img_stats_float	(	float *	array,
		long	nx,
		long	ny,
		int	nullcheck,
		float	nullvalue,
		long *	ngoodpix,
		float *	minvalue,
		float *	maxvalue,
		double *	mean,
		double *	sigma,
		double *	noise1,
		double *	noise2,
		double *	noise3,
		double *	noise5,
		int *	status
	)

Here is the caller graph for this function:

int fits_img_stats_int	(	int *	array,
		long	nx,
		long	ny,
		int	nullcheck,
		int	nullvalue,
		long *	ngoodpix,
		int *	minvalue,
		int *	maxvalue,
		double *	mean,
		double *	sigma,
		double *	noise1,
		double *	noise2,
		double *	noise3,
		double *	noise5,
		int *	status
	)

Here is the caller graph for this function:

int fits_img_stats_short	(	short *	array,
		long	nx,
		long	ny,
		int	nullcheck,
		short	nullvalue,
		long *	ngoodpix,
		short *	minvalue,
		short *	maxvalue,
		double *	mean,
		double *	sigma,
		double *	noise1,
		double *	noise2,
		double *	noise3,
		double *	noise5,
		int *	status
	)

Here is the caller graph for this function:

int fits_quantize_double	(	long	row,
		double	fdata[],
		long	nxpix,
		long	nypix,
		int	nullcheck,
		double	in_null_value,
		float	qlevel,
		int	dither_method,
		int	idata[],
		double *	bscale,
		double *	bzero,
		int *	iminval,
		int *	imaxval
	)

Here is the call graph for this function:

Here is the caller graph for this function:

int fits_quantize_float	(	long	row,
		float	fdata[],
		long	nxpix,
		long	nypix,
		int	nullcheck,
		float	in_null_value,
		float	qlevel,
		int	dither_method,
		int	idata[],
		double *	bscale,
		double *	bzero,
		int *	iminval,
		int *	imaxval
	)

Here is the call graph for this function:

Here is the caller graph for this function: