mirror of https://github.com/GNOME/gimp.git
plug-ins: completely reformat fits-io.*
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Michael Natterer
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1f22d11256
commit
24f2a24b99
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@ -19,9 +19,8 @@
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/* #END-HDR */
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/******************************************************************************/
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#ifndef FITS_MAX_AXIS
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#include <stdio.h>
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#ifndef __FITS_IO_H__
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#define __FITS_IO_H__
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#define FITS_CARD_SIZE 80
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#define FITS_RECORD_SIZE 2880
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@ -41,116 +40,144 @@ typedef long FITS_LONG;
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typedef double FITS_DOUBLE;
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typedef char FITS_STRING[FITS_CARD_SIZE];
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typedef enum {
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typ_bitpix8, typ_bitpix16, typ_bitpix32, typ_bitpixm32, typ_bitpixm64,
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typ_fbool, typ_flong, typ_fdouble, typ_fstring
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typedef enum
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{
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typ_bitpix8,
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typ_bitpix16,
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typ_bitpix32,
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typ_bitpixm32,
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typ_bitpixm64,
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typ_fbool,
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typ_flong,
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typ_fdouble,
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typ_fstring
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} FITS_DATA_TYPES;
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/* How to transform FITS pixel values */
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typedef struct {
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double pixmin, pixmax; /* Pixel values [pixmin,pixmax] should be mapped */
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double datamin, datamax; /* to [datamin,datamax] */
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double replacement; /* datavalue to use for blank or NaN pixels */
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char dsttyp; /* Destination typ ('c' = char) */
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typedef struct
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{
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gdouble pixmin, pixmax; /* Pixel values [pixmin,pixmax] should be mapped */
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gdouble datamin, datamax; /* to [datamin,datamax] */
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gdouble replacement; /* datavalue to use for blank or NaN pixels */
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gchar dsttyp; /* Destination typ ('c' = char) */
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} FITS_PIX_TRANSFORM;
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typedef union {
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FITS_BITPIX8 bitpix8;
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FITS_BITPIX16 bitpix16;
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FITS_BITPIX32 bitpix32;
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FITS_BITPIXM32 bitpixm32;
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FITS_BITPIXM64 bitpixm64;
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typedef union
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{
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FITS_BITPIX8 bitpix8;
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FITS_BITPIX16 bitpix16;
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FITS_BITPIX32 bitpix32;
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FITS_BITPIXM32 bitpixm32;
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FITS_BITPIXM64 bitpixm64;
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FITS_BOOL fbool;
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FITS_LONG flong;
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FITS_DOUBLE fdouble;
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FITS_STRING fstring;
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FITS_BOOL fbool;
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FITS_LONG flong;
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FITS_DOUBLE fdouble;
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FITS_STRING fstring;
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} FITS_DATA;
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typedef struct fits_record_list { /* Record list */
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char data[FITS_RECORD_SIZE];
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struct fits_record_list *next_record;
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typedef struct fits_record_list /* Record list */
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{
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gchar data[FITS_RECORD_SIZE];
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struct fits_record_list *next_record;
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} FITS_RECORD_LIST;
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typedef struct fits_hdu_list { /* Header and Data Unit List */
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long header_offset; /* Offset of header in the file */
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long data_offset; /* Offset of data in the file */
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long data_size; /* Size of data in the HDU (including pad)*/
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long udata_size; /* Size of used data in the HDU (excl. pad) */
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int bpp; /* Bytes per pixel */
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int numpic; /* Number of interpretable images in HDU */
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int naddcards; /* Number of additional cards */
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char addcards[FITS_NADD_CARDS][FITS_CARD_SIZE];
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struct {
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char nan_value; /* NaN's found in data ? */
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char blank_value; /* Blanks found in data ? */
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/* Flags specifying if some cards are used */
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char blank; /* The corresponding data below is only */
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char datamin; /* valid, if the flag is set. */
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char datamax;
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char simple; /* This indicates a simple HDU */
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char xtension; /* This indicates an extension */
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char gcount;
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char pcount;
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char bzero;
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char bscale;
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char groups;
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char extend;
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} used;
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double pixmin, pixmax; /* Minimum/Maximum pixel values */
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/* Some decoded data of the HDU: */
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int naxis; /* Number of axes */
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int naxisn[FITS_MAX_AXIS]; /* Sizes of axes (NAXIS1 --> naxisn[0]) */
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int bitpix; /* Data representation (8,16,32,-16,-32) */
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/* When using the following data, */
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/* the used-flags must be checked before. */
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long blank; /* Blank value */
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double datamin, datamax; /* Minimum/Maximum physical data values */
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char xtension[FITS_CARD_SIZE]; /* Type of extension */
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long gcount, pcount; /* Used by XTENSION */
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double bzero, bscale; /* Transformation values */
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int groups; /* Random groups indicator */
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int extend; /* Extend flag */
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typedef struct fits_hdu_list /* Header and Data Unit List */
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{
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glong header_offset; /* Offset of header in the file */
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glong data_offset; /* Offset of data in the file */
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glong data_size; /* Size of data in the HDU (including pad)*/
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glong udata_size; /* Size of used data in the HDU (excl. pad) */
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gint bpp; /* Bytes per pixel */
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gint numpic; /* Number of interpretable images in HDU */
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gint naddcards; /* Number of additional cards */
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gchar addcards[FITS_NADD_CARDS][FITS_CARD_SIZE];
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struct
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{
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gboolean nan_value; /* NaN's found in data ? */
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gboolean blank_value; /* Blanks found in data ? */
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/* Flags specifying if some cards are used */
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gchar blank; /* The corresponding data below is only */
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gchar datamin; /* valid, if the flag is set. */
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gchar datamax;
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gchar simple; /* This indicates a simple HDU */
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gchar xtension; /* This indicates an extension */
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gchar gcount;
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gchar pcount;
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gchar bzero;
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gchar bscale;
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gchar groups;
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gchar extend;
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} used;
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gdouble pixmin, pixmax; /* Minimum/Maximum pixel values */
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/* Some decoded data of the HDU: */
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gint naxis; /* Number of axes */
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gint naxisn[FITS_MAX_AXIS]; /* Sizes of axes (NAXIS1 --> naxisn[0]) */
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gint bitpix; /* Data representation (8,16,32,-16,-32) */
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/* When using the following data, */
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/* the used-flags must be checked before. */
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glong blank; /* Blank value */
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gdouble datamin, datamax; /* Minimum/Maximum physical data values */
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gchar xtension[FITS_CARD_SIZE];/* Type of extension */
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glong gcount, pcount; /* Used by XTENSION */
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gdouble bzero, bscale; /* Transformation values */
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gint groups; /* Random groups indicator */
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gint extend; /* Extend flag */
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FITS_RECORD_LIST *header_record_list; /* Header records read in */
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struct fits_hdu_list *next_hdu;
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FITS_RECORD_LIST *header_record_list; /* Header records read in */
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struct fits_hdu_list *next_hdu;
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} FITS_HDU_LIST;
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typedef struct {
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FILE *fp; /* File pointer to fits file */
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char openmode; /* Mode the file was opened (0, 'r', 'w') */
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typedef struct
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{
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FILE *fp; /* File pointer to fits file */
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gchar openmode; /* Mode the file was opened (0, 'r', 'w') */
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int n_hdu; /* Number of HDUs in file */
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int n_pic; /* Total number of interpretable pictures */
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int nan_used; /* NaN's used in the file ? */
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int blank_used; /* Blank's used in the file ? */
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gint n_hdu; /* Number of HDUs in file */
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gint n_pic; /* Total number of interpretable pictures */
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gboolean nan_used; /* NaN's used in the file ? */
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gboolean blank_used; /* Blank's used in the file ? */
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FITS_HDU_LIST *hdu_list; /* Header and Data Unit List */
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FITS_HDU_LIST *hdu_list; /* Header and Data Unit List */
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} FITS_FILE;
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/* User callable functions of the FITS-library */
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FITS_FILE *fits_open (const char *filename, const char *openmode);
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void fits_close (FITS_FILE *ff);
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FITS_HDU_LIST *fits_add_hdu (FITS_FILE *ff);
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int fits_add_card (FITS_HDU_LIST *hdulist, const char *card);
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int fits_write_header (FITS_FILE *ff, FITS_HDU_LIST *hdulist);
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FITS_HDU_LIST *fits_image_info (FITS_FILE *ff, int picind, int *hdupicind);
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FITS_HDU_LIST *fits_seek_image (FITS_FILE *ff, int picind);
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void fits_print_header (FITS_HDU_LIST *hdr);
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FITS_DATA *fits_decode_card (const char *card, FITS_DATA_TYPES data_type);
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char *fits_search_card (FITS_RECORD_LIST *rl, char *keyword);
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int fits_read_pixel (FITS_FILE *ff, FITS_HDU_LIST *hdulist,
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int npix, FITS_PIX_TRANSFORM *trans, void *buf);
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FITS_FILE * fits_open (const gchar *filename,
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const gchar *openmode);
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void fits_close (FITS_FILE *ff);
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FITS_HDU_LIST * fits_add_hdu (FITS_FILE *ff);
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gint fits_add_card (FITS_HDU_LIST *hdulist,
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const gchar *card);
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gint fits_write_header (FITS_FILE *ff,
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FITS_HDU_LIST *hdulist);
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FITS_HDU_LIST * fits_image_info (FITS_FILE *ff,
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gint picind,
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gint *hdupicind);
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FITS_HDU_LIST * fits_seek_image (FITS_FILE *ff,
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gint picind);
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void fits_print_header (FITS_HDU_LIST *hdr);
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FITS_DATA * fits_decode_card (const gchar *card,
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FITS_DATA_TYPES data_type);
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gchar * fits_search_card (FITS_RECORD_LIST *rl,
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gchar *keyword);
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gint fits_read_pixel (FITS_FILE *ff,
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FITS_HDU_LIST *hdulist,
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gint npix,
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FITS_PIX_TRANSFORM *trans,
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void *buf);
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char *fits_get_error (void);
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gchar * fits_get_error (void);
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/* Demo functions */
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#define FITS_NO_DEMO
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int fits_to_pgmraw (char *fitsfile, char *pgmfile);
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int pgmraw_to_fits (char *pgmfile, char *fitsfile);
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gint fits_to_pgmraw (gchar *fitsfile,
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gchar *pgmfile);
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gint pgmraw_to_fits (gchar *pgmfile,
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gchar *fitsfile);
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#endif
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#endif /* __FITS_IO_H__ */
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