tesseract/dict/states.h
2012-02-02 02:56:18 +00:00

75 lines
2.5 KiB
C

/* -*-C-*-
********************************************************************************
*
* File: states.h (Formerly states.h)
* Description: Representations of search states
* Author: Mark Seaman, OCR Technology
* Created: Wed May 16 15:52:40 1990
* Modified: Tue May 21 16:26:21 1991 (Mark Seaman) marks@hpgrlt
* Language: C
* Package: N/A
* Status: Experimental (Do Not Distribute)
*
* (c) Copyright 1990, 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 STATES_H
#define STATES_H
/*----------------------------------------------------------------------
I n c l u d e s
----------------------------------------------------------------------*/
#include "host.h"
#include "strngs.h"
/*----------------------------------------------------------------------
T y p e s
----------------------------------------------------------------------*/
#define MAX_NUM_CHUNKS 64 /* Limit on pieces */
typedef struct
{
uinT32 part1;
uinT32 part2;
} STATE;
/** State variable for search */
typedef int *SEARCH_STATE;
/** State variable for search */
typedef uinT8 PIECES_STATE[MAX_NUM_CHUNKS + 2];
/*----------------------------------------------------------------------
F u n c t i o n s
----------------------------------------------------------------------*/
SEARCH_STATE bin_to_chunks(STATE *state, int num_joints);
void bin_to_pieces(STATE *state, int num_joints, PIECES_STATE pieces);
void insert_new_chunk(register STATE *state,
register int index,
int num_joints);
STATE *new_state(STATE *oldstate);
int ones_in_state(STATE *state, int num_joints);
void print_state(const char *label, STATE *state, int num_joints);
void print_state(STATE *state, int num_joints, STRING *toappend);
void set_n_ones(STATE *state, int n);
extern void free_state(STATE *);
#endif