move.h File Reference

#include "const.h"
#include <stdio.h>
#include <stdbool.h>

Go to the source code of this file.

Classes
struct	Move
struct	MoveList
struct	Line
struct	MoveHash

Macros
#define	foreach_move(iter, movelist)
#define	foreach_best_move(iter, movelist)

Typedefs
typedef struct Move	Move
typedef struct MoveList	MoveList
typedef struct Line	Line
typedef struct MoveHash	MoveHash

Functions
int	symetry (int, const int)
	Get a symetric square coordinate.
void	move_print (const int, const int, FILE *)
	Print out a move.
bool	move_wipeout (const Move *, const struct Board *)
Move *	move_next_best (Move *)
	Return the next best move from the list.
Move *	move_next (Move *)
	Return the next move from the list.
char *	move_to_string (const int, const int, char *)
	Print out a move.
void	tune_move_evaluate (struct Search *, const char *, const char *)
int	movelist_get_moves (MoveList *, const struct Board *)
void	movelist_print (const MoveList *, const int, FILE *)
	Print out a movelist.
Move *	movelist_sort_bestmove (MoveList *, const int)
	Sort a move as best.
void	movelist_evaluate (MoveList *, struct Search *, const struct HashData *, const int, const int)
void	movelist_evaluate_fast (MoveList *, struct Search *)
Move *	movelist_best (MoveList *)
	Return the best move of the list.
Move *	movelist_first (MoveList *)
	Return the first move of the list.
Move *	movelist_exclude (MoveList *, const int)
	Exclude a move.
void	movelist_restore (MoveList *, Move *)
void	movelist_sort (MoveList *)
	Sort all moves.
void	movelist_sort_cost (MoveList *, const struct HashData *)
bool	movelist_is_empty (const MoveList *)
	Check if the list is empty.
bool	movelist_is_single (const MoveList *)
void	line_init (Line *, const int)
	Initialize a sequence of moves.
void	line_push (Line *, const int)
	Add a move to the sequence.
void	line_pop (Line *)
	Remove the last move from a sequence.
void	line_copy (Line *, const Line *, const int)
	Copy part of a sequence to another sequence.
void	line_print (const Line *, int, const char *, FILE *)
	Print a move sequence.
char *	line_to_string (const Line *line, int n, const char *, char *string)
	Line to string.
void	movehash_init (MoveHash *, int)
	Initialisation of the hash table.
void	movehash_delete (MoveHash *)
	Free the hash table.
bool	movehash_append (MoveHash *, const struct Board *, const int)

Variables
const Move	MOVE_INIT
const Move	MOVE_PASS

Macro Definition Documentation

foreach_best_move

#define foreach_best_move	(		iter,
			movelist )

Value:

        for ((iter) = movelist_best(movelist); (iter); (iter) = move_next_best(iter))

macro to iterate over the movelist from best to worst move

foreach_move

#define foreach_move	(		iter,
			movelist )

Value:

        for ((iter) = (movelist)->move->next; (iter); (iter) = (iter)->next)

macro to iterate over the movelist

Typedef Documentation

Line

typedef struct Line Line

(simple) sequence of a legal moves

Move

typedef struct Move Move

move representation

MoveHash

typedef struct MoveHash MoveHash

HashTable of position + move

MoveList

typedef struct MoveList MoveList

(simple) list of a legal moves

Function Documentation

line_copy()

void line_copy	(	Line *	dest,
		const Line *	src,
		const int	from )

Copy part of a sequence to another sequence.

Parameters

dest	the destination move sequence.
src	the source move sequence.
from	the point to copy from.

line_init()

void line_init	(	Line *	line,
		const int	player )

Initialize a sequence of moves.

Parameters

line	the move sequence.
player	color of the first player of the sequence.

line_pop()

void line_pop

(

Line *

line

)

Remove the last move from a sequence.

Parameters

line	the move sequence.

line_print()

void line_print	(	const Line *	line,
		int	width,
		const char *	separator,
		FILE *	f )

Print a move sequence.

Parameters

line	the move sequence.
width	width of the line to print (in characters).
separator	a string to print between moves.
f	output stream.

line_push()

void line_push	(	Line *	line,
		const int	x )

Add a move to the sequence.

Parameters

line	the move sequence.
x	move coordinate.

line_to_string()

char * line_to_string	(	const Line *	line,
		int	n,
		const char *	separator,
		char *	string )

Line to string.

Parameters

line	the move sequence.
n	number of moves to add.
separator	a string to print between moves.
string	output string receiving the line.

move_next()

Move * move_next

(

Move *

move

)

Return the next move from the list.

Parameters

move	previous move.

Returns

the next move in the list.

move_next_best()

Move * move_next_best

(

Move *

previous_best

)

Return the next best move from the list.

Parameters

previous_best

Last best move.

Returns

the following best move in the list.

move_print()

void move_print	(	const int	x,
		const int	player,
		FILE *	f )

Print out a move.

Print the move, using letter case to distinguish player's color, to an output stream.

Parameters

x	square coordinate to print.
player	player color.
f	output stream.

move_to_string()

char * move_to_string	(	const int	x,
		const int	player,
		char *	s )

Print out a move.

Print the move, using letter case to distinguish player's color, to an output stream.

Parameters

x	Square coordinate to print.
player	Player color.
s	Output string.

Returns

the output string.

move_wipeout()

bool move_wipeout	(	const Move *	,
		const struct Board *	)

movehash_append()

bool movehash_append	(	MoveHash *	,
		const struct Board *	,
		const int	)

movehash_delete()

void movehash_delete

(

MoveHash *

hash

)

Free the hash table.

Parameters

hash	Hash table.

movehash_init()

void movehash_init	(	MoveHash *	hash,
		int	bitsize )

Initialisation of the hash table.

Parameters

hash	Hash table.
bitsize	Hash table size (as log2(size)).

movelist_best()

Move * movelist_best

(

MoveList *

movelist

)

Return the best move of the list.

Parameters

movelist

The list of move.

Returns

the best move.

movelist_evaluate()

void movelist_evaluate	(	MoveList *	,
		struct Search *	,
		const struct HashData *	,
		const int	,
		const int	)

movelist_evaluate_fast()

void movelist_evaluate_fast	(	MoveList *	,
		struct Search *	)

movelist_exclude()

Move * movelist_exclude	(	MoveList *	movelist,
		const int	move )

Exclude a move.

Parameters

movelist	List of moves to sort.
move	Move to exclude.

movelist_first()

Move * movelist_first

(

MoveList *

movelist

)

Return the first move of the list.

Parameters

movelist

The list of move.

Returns

the first move.

movelist_get_moves()

int movelist_get_moves	(	MoveList *	,
		const struct Board *	)

movelist_is_empty()

bool movelist_is_empty

(

const MoveList *

movelist

)

Check if the list is empty.

Parameters

movelist

The list of move.

Returns

true if the list is empty, false otherwise.

movelist_is_single()

bool movelist_is_single

(

const MoveList *

)

movelist_print()

void movelist_print	(	const MoveList *	movelist,
		const int	player,
		FILE *	f )

Print out a movelist.

Print the moves, using letter case to distinguish player's color, to an output stream.

Parameters

movelist	a list of moves.
player	player color.
f	output stream.

movelist_restore()

void movelist_restore	(	MoveList *	,
		Move *	)

movelist_sort()

void movelist_sort

(

MoveList *

movelist

)

Sort all moves.

Parameters

movelist

List of moves to sort.

movelist_sort_bestmove()

Move * movelist_sort_bestmove	(	MoveList *	movelist,
		const int	move )

Sort a move as best.

Put the best move at the head of the list.

Parameters

movelist	List of moves to sort.
move	Best move to to set first.

Returns

A move, occasionally illegal, whose successor was the original successor of the new best move.

movelist_sort_cost()

void movelist_sort_cost	(	MoveList *	,
		const struct HashData *	)

symetry()

int symetry	(	int	x,
		const int	sym )

Get a symetric square coordinate.

Parameters

x	Square coordinate.
sym	Symetry.

Returns

Symetric square coordinate.

tune_move_evaluate()

void tune_move_evaluate	(	struct Search *	,
		const char *	,
		const char *	)

Variable Documentation

MOVE_INIT

const Move MOVE_INIT

extern

MOVE_PASS

const Move MOVE_PASS

extern