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/* imio.h memory access subroutines
* September 27, 1999
* By Doug Mink, Harvard-Smithsonian Center for Astrophysics
*/
#ifndef imio_h_
#define imio_h_
/* Image pixel access subroutines in imio.c */
extern double getpix(); /* Read one pixel from any data type 2-D array (0,0)*/
extern double getpix1(); /* Read one pixel from any data type 2-D array (1,1)*/
extern void putpix(); /* Write one pixel to any data type 2-D array (0,0)*/
extern void putpix1(); /* Write one pixel to any data type 2-D array (1,1) */
extern void addpix(); /* Add to one pixel in any data type 2-D array (0,0)*/
extern void addpix1(); /* Add to one pixel in any data type 2-D array (1,1)*/
extern void movepix(); /* Move one pixel value between two 2-D arrays (0,0) */
extern void movepix1(); /* Move one pixel value between two 2-D arrays (1,1) */
extern void getvec(); /* Read vector from 2-D array */
extern void putvec(); /* Write vector into 2-D array */
extern void imswap(); /* Swap alternating bytes in a vector */
extern void imswap2(); /* Swap bytes in a vector of 2-byte (short) integers */
extern void imswap4(); /* Reverse bytes in a vector of 4-byte numbers */
extern void imswap8(); /* Reverse bytes in a vector of 8-byte numbers */
extern int imswapped(); /* Return 1 if machine byte order is not FITS order */
#endif /* imio_h_ */
/* May 31 1996 Use stream I/O for reading as well as writing
* Jun 12 1996 Add byte-swapping subroutines
* Aug 6 1996 Add MOVEPIX, HDEL and HCHANGE declarations
*
* May 27 1998 Split off imio subroutines to imio.h
* Sep 27 1999 Add Fortran-indexed (1,1), not (0,0) image access *1()
* Sep 28 1999 Add addpix()
*/
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