ran_array.c File Reference

#include "ran_array.h"

Include dependency graph for ran_array.c:

Go to the source code of this file.

Macros
#define	KK   100 /* the long lag */
#define	LL   37 /* the short lag */
#define	MM   (1L<<30) /* the modulus */
#define	mod_diff(x, y)   (((x)-(y))&(MM-1)) /* subtraction mod MM */
#define	TT   70 /* guaranteed separation between streams */
#define	is_odd(x)   ((x)&1) /* units bit of x */
#define	evenize(x)   ((x)&(MM-2)) /* make x even */
#define	QUALITY   1009 /* recommended quality level for high-res use */
#define	TT   70 /* guaranteed separation between streams */
#define	is_odd(x)   ((x)&1) /* units bit of x */

Functions
static void	ran_array (long *aa, int n)
void	ran_start (long seed)
long	ran_arr_cycle (void)

Variables
static long	ran_x [100]
static long	ran_arr_buf [1009]
static long	ran_arr_dummy =-1
static long	ran_arr_started =-1
long *	ran_arr_ptr =&ran_arr_dummy

Macro Definition Documentation

evenize

#define evenize

(

x

)

((x)&(MM-2)) /* make x even */

Definition at line 31 of file ran_array.c.

is_odd [1/2]

#define is_odd

(

x

)

((x)&1) /* units bit of x */

Definition at line 30 of file ran_array.c.

is_odd [2/2]

#define is_odd

(

x

)

((x)&1) /* units bit of x */

Definition at line 30 of file ran_array.c.

KK

#define KK   100 /* the long lag */

Definition at line 23 of file ran_array.c.

LL

#define LL   37 /* the short lag */

Definition at line 24 of file ran_array.c.

MM

#define MM   (1L<<30) /* the modulus */

Definition at line 25 of file ran_array.c.

mod_diff

#define mod_diff	(		x,
			y
	)		(((x)-(y))&(MM-1)) /* subtraction mod MM */

Definition at line 26 of file ran_array.c.

QUALITY

#define QUALITY   1009 /* recommended quality level for high-res use */

Definition at line 55 of file ran_array.c.

TT [1/2]

#define TT   70 /* guaranteed separation between streams */

Definition at line 29 of file ran_array.c.

TT [2/2]

#define TT   70 /* guaranteed separation between streams */

Definition at line 29 of file ran_array.c.

Function Documentation

ran_arr_cycle()

long ran_arr_cycle

(

void

)

Definition at line 97 of file ran_array.c.

References QUALITY, ran_arr_buf, ran_arr_dummy, ran_arr_ptr, ran_array(), and ran_start().

ran_array()

static void ran_array ( long *  aa, int  n  )

static

Definition at line 40 of file ran_array.c.

References KK, LL, mod_diff, and ran_x.

Referenced by ran_arr_cycle(), and ran_start().

ran_start()

void ran_start

(

long

seed

)

Definition at line 66 of file ran_array.c.

References is_odd, KK, LL, MM, mod_diff, ran_arr_ptr, ran_arr_started, ran_array(), ran_x, and TT.

Referenced by ran_arr_cycle().

Variable Documentation

ran_arr_buf

long ran_arr_buf[1009]

static

Definition at line 56 of file ran_array.c.

Referenced by ran_arr_cycle().

ran_arr_dummy

long ran_arr_dummy =-1

static

Definition at line 57 of file ran_array.c.

Referenced by ran_arr_cycle().

ran_arr_ptr

long* ran_arr_ptr =&ran_arr_dummy

Definition at line 58 of file ran_array.c.

Referenced by ran_arr_cycle(), and ran_start().

ran_arr_started

long ran_arr_started =-1

static

Definition at line 57 of file ran_array.c.

Referenced by ran_start().

ran_x

long ran_x[100]

static

Definition at line 35 of file ran_array.c.

Referenced by ran_array(), and ran_start().