engine_mt19937.c File Reference

#include "php.h"
#include "php_random.h"
#include "php_random_csprng.h"
#include "Zend/zend_exceptions.h"

Go to the source code of this file.

Macros
#define	N   624 /* length of state vector */
#define	M   (397) /* a period parameter */
#define	hiBit(u)
#define	loBit(u)
#define	loBits(u)
#define	mixBits(u, v)
#define	twist(m, u, v)
#define	twist_php(m, u, v)

Functions
	ZEND_STATIC_ASSERT (N==sizeof(((php_random_status_state_mt19937 *) 0) ->state)/sizeof(((php_random_status_state_mt19937 *) 0) ->state[0]), "Assumed length of Mt19937 state vector does not match actual size.")
PHPAPI void	php_random_mt19937_seed32 (php_random_status_state_mt19937 *state, uint32_t seed)
PHPAPI void	php_random_mt19937_seed_default (php_random_status_state_mt19937 *state)
	PHP_METHOD (Random_Engine_Mt19937, __construct)
	PHP_METHOD (Random_Engine_Mt19937, generate)
	PHP_METHOD (Random_Engine_Mt19937, __serialize)
	PHP_METHOD (Random_Engine_Mt19937, __unserialize)
	PHP_METHOD (Random_Engine_Mt19937, __debugInfo)

Variables
PHPAPI const php_random_algo	php_random_algo_mt19937

Macro Definition Documentation

hiBit

#define hiBit

(

u

)

Value:

((u) & 0x80000000U)  /* mask all but highest   bit of u */

Definition at line 95 of file engine_mt19937.c.

loBit

#define loBit

(

u

)

Value:

((u) & 0x00000001U)  /* mask all but lowest    bit of u */

Definition at line 96 of file engine_mt19937.c.

loBits

#define loBits

(

u

)

Value:

((u) & 0x7FFFFFFFU)  /* mask     the highest   bit of u */

Definition at line 97 of file engine_mt19937.c.

M

#define M   (397) /* a period parameter */

Definition at line 94 of file engine_mt19937.c.

mixBits

#define mixBits	(		u,
			v )

Value:

(hiBit(u) | loBits(v)) /* move hi bit of u to hi bit of v */

Definition at line 98 of file engine_mt19937.c.

N

#define N   624 /* length of state vector */

Definition at line 89 of file engine_mt19937.c.

twist

#define twist	(		m,
			u,
			v )

Value:

(m ^ (mixBits(u,v) >> 1) ^ ((uint32_t)(-(int32_t)(loBit(v))) & 0x9908b0dfU))

Definition at line 100 of file engine_mt19937.c.

twist_php

#define twist_php	(		m,
			u,
			v )

Value:

(m ^ (mixBits(u,v) >> 1) ^ ((uint32_t)(-(int32_t)(loBit(u))) & 0x9908b0dfU))

Definition at line 101 of file engine_mt19937.c.

Function Documentation

PHP_METHOD() [1/5]

PHP_METHOD	(	Random_Engine_Mt19937	,
		__construct	)

Definition at line 253 of file engine_mt19937.c.

PHP_METHOD() [2/5]

PHP_METHOD	(	Random_Engine_Mt19937	,
		__debugInfo	)

Definition at line 384 of file engine_mt19937.c.

PHP_METHOD() [3/5]

PHP_METHOD	(	Random_Engine_Mt19937	,
		__serialize	)

Definition at line 317 of file engine_mt19937.c.

PHP_METHOD() [4/5]

PHP_METHOD	(	Random_Engine_Mt19937	,
		__unserialize	)

Definition at line 342 of file engine_mt19937.c.

PHP_METHOD() [5/5]

PHP_METHOD	(	Random_Engine_Mt19937	,
		generate	)

Definition at line 292 of file engine_mt19937.c.

php_random_mt19937_seed32()

PHPAPI void php_random_mt19937_seed32 ( php_random_status_state_mt19937 * state, uint32_t seed )

inline

Definition at line 128 of file engine_mt19937.c.

php_random_mt19937_seed_default()

PHPAPI void php_random_mt19937_seed_default

(

php_random_status_state_mt19937 *

state

)

Definition at line 240 of file engine_mt19937.c.

ZEND_STATIC_ASSERT()

ZEND_STATIC_ASSERT	(	N	= =sizeof(((php_random_status_state_mt19937 *) 0) ->state)/sizeof(((php_random_status_state_mt19937 *) 0) ->state[0]),
		"Assumed length of Mt19937 state vector does not match actual size."	)

Variable Documentation

php_random_algo_mt19937

PHPAPI const php_random_algo php_random_algo_mt19937

Initial value:

= {
    sizeof(php_random_status_state_mt19937),
    generate,
    range,
    serialize,
    unserialize
}

Definition at line 231 of file engine_mt19937.c.