chess1.c File Reference

#include <assert.h>
#include <ctype.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include "chess_common.h"

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Classes
struct	board

Macros
#define	P(c, t0, t1)
#define	R(i, c, t0, t1, t2, t3, t4, t5, t6, t7)    [i] = P(c, t0, t1), P(c, t2, t3), P(c, t4, t5), P(c, t6, t7)

Typedefs
typedef uint8_t	u8
typedef uint64_t	u64
typedef u8	position

Enumerations
enum	{   PAWN , ROOK , KNIGHT , BISHOP ,   QUEEN , KING , WHITE = 0 , BLACK = 1 ,   POS_BITS = 4 , PIECE_BITS = 3 , POS_MASK = (1 << POS_BITS) - 1 , PIECE_MASK = (1 << PIECE_BITS) - 1 ,   COLOR_MASK = (1 << PIECE_BITS) }

Functions
bool	is_empty (const struct board *b, u8 x, u8 y)
int	popcnt (u64 n)
position	position0 (u8 i)
position	position1 (u8 i)
bool	color (position p)
u8	piece (position p)
position	board_position (const struct board *b, u8 x, u8 y)
static void	print_pos (const struct board *b, int x, int y)
int	main (void)

Variables
const struct board	b

Macro Definition Documentation

P

#define P	(		c,
			t0,
			t1 )

Value:

    (u8)((c << (PIECE_BITS + POS_BITS)) | (t1 << POS_BITS) \
        | (c << PIECE_BITS) | t0)

R

#define R	(		i,
			c,
			t0,
			t1,
			t2,
			t3,
			t4,
			t5,
			t6,
			t7 )    [i] = P(c, t0, t1), P(c, t2, t3), P(c, t4, t5), P(c, t6, t7)

Typedef Documentation

position

typedef u8 position

u64

typedef uint64_t u64

u8

typedef uint8_t u8

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
PAWN
ROOK
KNIGHT
BISHOP
QUEEN
KING
WHITE
BLACK
POS_BITS
PIECE_BITS
POS_MASK
PIECE_MASK
COLOR_MASK

Function Documentation

board_position()

position board_position	(	const struct board *	b,
		u8	x,
		u8	y )

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color()

bool color

(

position

p

)

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is_empty()

bool is_empty	(	const struct board *	b,
		u8	x,
		u8	y )

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main()

int main

(

void

)

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piece()

u8 piece

(

position

p

)

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popcnt()

int popcnt

(

u64

n

)

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position0()

position position0

(

u8

i

)

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position1()

position position1

(

u8

i

)

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print_pos()

static void print_pos ( const struct board * b, int x, int y )

static

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Variable Documentation

b

const struct board b

Initial value:

= {
    .bitset = 0xffff00000000ffff,
    .v = {
        R(014, BLACK, ROOK, KNIGHT, BISHOP, QUEEN, KING, BISHOP, KNIGHT, ROOK),
        R(010, BLACK, PAWN, PAWN, PAWN, PAWN, PAWN, PAWN, PAWN, PAWN),
        R(004, WHITE, PAWN, PAWN, PAWN, PAWN, PAWN, PAWN, PAWN, PAWN),
        R(000, WHITE, ROOK, KNIGHT, BISHOP, QUEEN, KING, BISHOP, KNIGHT, ROOK),
    },
}