wordrec/tally.h

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#ifndef TALLY_H
#define TALLY_H

/*----------------------------------------------------------------------
              I n c l u d e s
----------------------------------------------------------------------*/
#include <stdio.h>

/*----------------------------------------------------------------------
              T y p e s
----------------------------------------------------------------------*/
typedef struct _TALLY_
{
  int count;
  int num_buckets;
  int buckets[1];
} *TALLY;

/*----------------------------------------------------------------------
              M a c r o s
----------------------------------------------------------------------*/
/* ================== */
#define inc_tally_bucket(t,i) \
(t->count++,                \
   ((i < t->num_buckets) ?    \
   (t->buckets[i]++) :       \
   (t->buckets[t->num_buckets-1]++)))

/* ================== */
#define iterate_tally(t,i)  \
for (i=0; i<t->num_buckets; i++)

/* ================== */
#define tally_entry(t,i)            \
(t->buckets[i])

/* ==================
 * tally_value
 *
 * Access one of the buckets of a tally record with bounds checking.
 **********************************************************************

#define tally_value(t,i)            \
((i>=0 && i<t->num_buckets) ?     \
  (tally_entry (t,i))   :          \
  (cprintf ("error: tried to access non-existant bucket %d\n", i)))
*/

/*----------------------------------------------------------------------
              F u n c t i o n s
----------------------------------------------------------------------*/
TALLY new_tally(int num_buckets); 

void print_tally(FILE *file, const char *string, TALLY t); 
#endif

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