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/*** imio.h memory access subroutines
*** September 27, 1999
*** By Jessica Mink, jmink@cfa.harvard.edu
*** Harvard-Smithsonian Center for Astrophysics
*** Copyright (C) 1996-2002
*** Smithsonian Astrophysical Observatory, Cambridge, MA, USA
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Correspondence concerning WCSTools should be addressed as follows:
Internet email: jmink@cfa.harvard.edu
Postal address: Jessica Mink
Smithsonian Astrophysical Observatory
60 Garden St.
Cambridge, MA 02138 USA
*/
#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 a 2-D array */
extern void putvec(); /* Write vector into a 2-D array */
extern void fillvec(); /* Write constant into a vector */
extern void fillvec1(); /* Write constant into a vector */
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()
*
* Feb 27 2004 Add fillvec()
*/
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