learn.c File Reference

Learn from a loss - source file. More...

#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <ctype.h>
#include <fcntl.h>
#include <malloc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "assert.h"
#include "p_plain.h"
#include "score4.h"
#include "unmakemove.h"
#include "win_table.h"

Defines
#define	P_LIMIT   0x8000
	Polynomial limit.
#define	NTAB_SIZE   (NUM_PLAINS * 9)
	Size of n_table[] - (# of plains) x (# of permutations per trap).
Functions
static void	_addentry (W_ENTRY *word)
	Add an entry to n_table[].
static void	_exit (void)
	Add entries in n_table[] to MEM_FILE.
static int	_find_c_move (short plain)
	Find move that results in a trap.
static void	_init (void)
	Perform initialization for learn_1().
static void	_permutations (int plain, W_ENTRY *word, int offset, int c_offset)
	Generate all valid trap permutations from a given trap.
static int	_plain_win (short plain)
	Determine if a win is present in a plain.
static int	_replay (W_ENTRY *word)
	Replay the game withing a plain.
void	learn_1 (void)
	Learn from a loss.
Variables
short	a_board_1 []
	Alpha board.
short	b_board_1 []
	Beta board.
MOVE	c_move_1
	Move chosen by Alpha.
MOVE	o_move_1
	Move chosen by get_move(). Used by learn().
static W_ENTRY	n_table [NTAB_SIZE+1]
	Table for new traps.
static int	w_count
	W count.
static int	a_stones
	A stones.
static int	trap_found
	Was addentry() called?

---

Detailed Description

Learn from a loss - source file.

Author:

Stephen A. Broeker

Copyright (c) 1989 Stephen A. Broeker All Rights Reserved.

---