tesseract/wordrec/tally.h
2007-03-07 20:03:40 +00:00

95 lines
3.3 KiB
C

/* -*-C-*-
********************************************************************************
*
* File: tally.h (Formerly tally.h)
* Description:
* Author: Mark Seaman, SW Productivity
* Created: Fri Oct 16 14:37:00 1987
* Modified: Wed Apr 10 10:45:41 1991 (Mark Seaman) marks@hpgrlt
* Language: C
* Package: N/A
* Status: Reusable Software Component
*
* (c) Copyright 1987, Hewlett-Packard Company.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
*********************************************************************************/
#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
----------------------------------------------------------------------*/
/**********************************************************************
* inc_tally_bucket
*
* Increment the bucket count for the chosen bucket.
**********************************************************************/
#define inc_tally_bucket(t,i) \
(t->count++, \
((i < t->num_buckets) ? \
(t->buckets[i]++) : \
(t->buckets[t->num_buckets-1]++)))
/**********************************************************************
* iterate_tally
*
* Iterate through all the buckets in a tally record.
**********************************************************************/
#define iterate_tally(t,i) \
for (i=0; i<t->num_buckets; i++)
/**********************************************************************
* tally_entry
*
* Access one of the buckets of a tally record without bounds checking.
**********************************************************************/
#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