/* img_predict.h

23 February 2009, WHFS

*/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <sys/types.h>
#include <sys/stat.h>
/* #include <float.h>
#include <limits.h>  */

struct BLOCK_CONSTRAINT {
	int	index;		/* identifier for the constrained pixel  */
	int	source_id;	/* unique file number for the source of this value */
	short int z;	/* a depth or elevation value, neg below sea level */
	short int s;	/* combined H and V uncertainty in this z value */
};

	
int	check_imgfile_size (char *filename, int *nx, int *ny);

/* Uses "stat" to get the size of the file and initialize whether it
is a 1 or 2 min img file and whether it goes to 72 or 81 latitutde.  
Returns 0 and sets nx and ny if file is a recognized size, else returns -1 */