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io.h
/************************************************************************/
/*									*/
/*	A general header file for the various file and i/o handling	*/
/*	routines.							*/
/*									*/
/*  History:								*/
/*   rjs  Dark-ages Original version.					*/
/*   rjs  20aug92   Correct "roundup" macro when rounding 0.		*/
/*   rjs  15may96   Moved roundup macro elsewhere.			*/
/*   pjt  28may02   Added H_INT8                                        */
/*   pjt  17jun02   different MIR4 structures?                          */
/************************************************************************/

/* Binary items start with a sequence to allow routines to blindly determine
   how to read them. The "binary_item" is a catch all with only indicates
   that the data is binary valued, but does not hint at the format. */

#if !defined(MIR_IO_H)
#define MIR_IO_H

#include "hio.h"
#include <unistd.h>

#define ITEM_HDR_SIZE		4

#if 1

/*  MIRIAD3 and below data structures */


extern char binary_item[ITEM_HDR_SIZE],
    real_item[ITEM_HDR_SIZE],
    int_item[ITEM_HDR_SIZE],
    int2_item[ITEM_HDR_SIZE],
    int8_item[ITEM_HDR_SIZE],
    char_item[ITEM_HDR_SIZE],
    dble_item[ITEM_HDR_SIZE],
    cmplx_item[ITEM_HDR_SIZE];

#else

/*  MIRIAD4 data structures - not finalized on this though */

static char 	binary_item[ITEM_HDR_SIZE]	= {1,0,0,0},
		real_item[ITEM_HDR_SIZE]	= {1,0,0,H_REAL},
		int_item[ITEM_HDR_SIZE]		= {1,0,0,H_INT},
		int2_item[ITEM_HDR_SIZE]	= {1,0,0,H_INT2},
		int8_item[ITEM_HDR_SIZE]	= {1,0,0,H_INT8},
		char_item[ITEM_HDR_SIZE]	= {1,0,0,H_BYTE},
		dble_item[ITEM_HDR_SIZE]	= {1,0,0,H_DBLE},
		cmplx_item[ITEM_HDR_SIZE]	= {1,0,0,H_CMPLX};


#endif

#endif /* MIR_IO_H */
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