mar3xx_pck.c File Reference

#include <stdio.h>
#include <stddef.h>
#include <math.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "types.h"
#include "mar3xx_pck.h"

Macros
#define	PACKIDENTIFIER   "\nCCP4 packed image, X: %04d, Y: %04d\n"
#define	PACKBUFSIZ   BUFSIZ
#define	DIFFBUFSIZ   16384
#define	max(x, y)   (((x) > (y)) ? (x) : (y))
#define	min(x, y)   (((x) < (y)) ? (x) : (y))
#define	abs(x)   (((x) < 0) ? (-(x)) : (x))
#define	shift_left(x, n)   (((x) & setbits[32 - (n)]) << (n))
#define	shift_right(x, n)   (((x) >> (n)) & setbits[32 - (n)])

Functions
int	put_pck (INT16 *img, int x, int y, int fdesc)
void	get_pck (FILE *fp, INT16 *img)

Variables
const INT32	setbits [33]

Macro Definition Documentation

abs

#define abs

(

x

)

(((x) < 0) ? (-(x)) : (x))

DIFFBUFSIZ

#define DIFFBUFSIZ   16384

max

#define max	(		x,
			y
	)		(((x) > (y)) ? (x) : (y))

min

#define min	(		x,
			y
	)		(((x) < (y)) ? (x) : (y))

PACKBUFSIZ

#define PACKBUFSIZ   BUFSIZ

PACKIDENTIFIER

#define PACKIDENTIFIER   "\nCCP4 packed image, X: %04d, Y: %04d\n"

shift_left

#define shift_left	(		x,
			n
	)		(((x) & setbits[32 - (n)]) << (n))

shift_right

#define shift_right	(		x,
			n
	)		(((x) >> (n)) & setbits[32 - (n)])

Function Documentation

get_pck()

void get_pck	(	FILE *	fp,
		INT16 *	img
	)

put_pck()

int put_pck	(	INT16 *	img,
		int	x,
		int	y,
		int	fdesc
	)

Variable Documentation

setbits

const INT32 setbits[33]

Initial value:

= {0x00000000, 0x00000001, 0x00000003, 0x00000007,
                          0x0000000F, 0x0000001F, 0x0000003F, 0x0000007F,
                          0x000000FF, 0x000001FF, 0x000003FF, 0x000007FF,
                          0x00000FFF, 0x00001FFF, 0x00003FFF, 0x00007FFF,
                          0x0000FFFF, 0x0001FFFF, 0x0003FFFF, 0x0007FFFF,
                          0x000FFFFF, 0x001FFFFF, 0x003FFFFF, 0x007FFFFF,
                          0x00FFFFFF, 0x01FFFFFF, 0x03FFFFFF, 0x07FFFFFF,
                          0x0FFFFFFF, 0x1FFFFFFF, 0x3FFFFFFF, 0x7FFFFFFF,
                          0xFFFFFFFF}