+
−/* ----------------------------- MNI Header -----------------------------------
+
−@NAME       : ftoi.c
+
−@INPUT      : (none)
+
−@OUTPUT     : (none)
+
−@DESCRIPTION: Reads binary values from standard input and writes the 
+
−              floating point equivalent on standard output.
+
−@METHOD     : 
+
−@GLOBALS    : (none)
+
−@CALLS      : 
+
−@CREATED    : December 4,1991 (Peter Neelin)
+
−@MODIFIED   : January 13,1991 (P.N.)
+
−                 -read values into large array for optimization
+
−---------------------------------------------------------------------------- */
+
−#include <stdio.h>
+
−#include <stdlib.h>
+
−#include <limits.h>
+
−
+
−#define  MAX( x, y )  ( ((x) >= (y)) ? (x) : (y) )
+
−#define  MIN( x, y )  ( ((x) <= (y)) ? (x) : (y) )
+
−
+
−#define ARRSIZE 1500
+
−#define INTYPE float
+
−#define OUTTYPE signed short int
+
−#define ROUND( x ) ( (signed long int) ( ((x) > (0)) ? (x)+0.5 : (x)-0.5 ))
+
−#define MAXVAL SHRT_MAX
+
−#define MINVAL SHRT_MIN
+
−
+
−main()
+
−{
+
−   INTYPE value[ARRSIZE], temp;
+
−   OUTTYPE output[ARRSIZE];
+
−   int i,nread;
+
−
+
−   while ((nread = fread(value, sizeof(INTYPE), 
+
−                         sizeof(value)/sizeof(INTYPE), stdin)) > 0) {
+
−      for (i=0; i < nread; i++) {
+
−         temp = ROUND(value[i]);
+
−         temp = MIN(MAXVAL, temp);
+
−         temp = MAX(MINVAL, temp);
+
−         output[i] = (OUTTYPE) temp;
+
−      }
+
−      (void) fwrite(output, sizeof(OUTTYPE), nread, stdout);
+
−   }
+
−   return 0;
+
−}