randomkit.c File Reference

#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <math.h>
#include <neatogen/randomkit.h>

Include dependency graph for randomkit.c:

Go to the source code of this file.

Macros
#define	RK_DEV_URANDOM   "/dev/urandom"
#define	RK_DEV_RANDOM   "/dev/random"
#define	N   624
#define	M   397
#define	MATRIX_A   0x9908b0dfUL
#define	UPPER_MASK   0x80000000UL
#define	LOWER_MASK   0x7fffffffUL

Functions
void	rk_seed (unsigned long seed, rk_state *state)
unsigned long	rk_random (rk_state *state)
unsigned long	rk_ulong (rk_state *state)
unsigned long	rk_interval (unsigned long max, rk_state *state)

Macro Definition Documentation

LOWER_MASK

#define LOWER_MASK   0x7fffffffUL

Definition at line 101 of file randomkit.c.

M

#define M   397

Definition at line 98 of file randomkit.c.

MATRIX_A

#define MATRIX_A   0x9908b0dfUL

Definition at line 99 of file randomkit.c.

N

#define N   624

Definition at line 97 of file randomkit.c.

RK_DEV_RANDOM

#define RK_DEV_RANDOM   "/dev/random"

Definition at line 79 of file randomkit.c.

RK_DEV_URANDOM

#define RK_DEV_URANDOM   "/dev/urandom"

Definition at line 75 of file randomkit.c.

UPPER_MASK

#define UPPER_MASK   0x80000000UL

Definition at line 100 of file randomkit.c.

Function Documentation

rk_interval()

unsigned long rk_interval	(	unsigned long	max,
		rk_state *	state
	)

Definition at line 147 of file randomkit.c.

References rk_random(), rk_ulong(), and state.

Referenced by fisheryates_shuffle().

Here is the call graph for this function:

Here is the caller graph for this function:

rk_random()

unsigned long rk_random

(

rk_state *

state

)

Definition at line 105 of file randomkit.c.

References LOWER_MASK, M, MATRIX_A, N, RK_STATE_LEN, state, and UPPER_MASK.

Referenced by rk_interval(), and rk_ulong().

Here is the caller graph for this function:

rk_seed()

void rk_seed	(	unsigned long	seed,
		rk_state *	state
	)

Definition at line 83 of file randomkit.c.

References RK_STATE_LEN, seed, and state.

Referenced by sgd().

Here is the caller graph for this function:

rk_ulong()

unsigned long rk_ulong

(

rk_state *

state

)

Definition at line 137 of file randomkit.c.

References rk_random(), and state.

Referenced by rk_interval().

Here is the call graph for this function:

Here is the caller graph for this function: