rand48.cc File Reference

#include <math.h>
#include <stdlib.h>
#include <spatialindex/tools/rand48.h>

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Macros
#define	RAND48_SEED_0   (0x330e)
#define	RAND48_SEED_1   (0xabcd)
#define	RAND48_SEED_2   (0x1234)
#define	RAND48_MULT_0   (0xe66d)
#define	RAND48_MULT_1   (0xdeec)
#define	RAND48_MULT_2   (0x0005)
#define	RAND48_ADD   (0x000b)

Functions
static void	_dorand48 (unsigned short[3])
void	srand48 (long seed) __THROW
unsigned short *	seed48 (unsigned short xseed[3]) __THROW
long	nrand48 (unsigned short xseed[3]) __THROW
long	mrand48 (void) __THROW
long	lrand48 (void) __THROW
void	lcong48 (unsigned short p[7]) __THROW
long	jrand48 (unsigned short xseed[3]) __THROW
double	erand48 (unsigned short xseed[3]) __THROW
double	drand48 (void) __THROW

Variables
unsigned short	__rand48_Seed [3]
unsigned short	__rand48_Mult [3]
unsigned short	__rand48_Add = RAND48_ADD

Macro Definition Documentation

RAND48_ADD

#define RAND48_ADD   (0x000b)

Definition at line 26 of file rand48.cc.

RAND48_MULT_0

#define RAND48_MULT_0   (0xe66d)

Definition at line 23 of file rand48.cc.

RAND48_MULT_1

#define RAND48_MULT_1   (0xdeec)

Definition at line 24 of file rand48.cc.

RAND48_MULT_2

#define RAND48_MULT_2   (0x0005)

Definition at line 25 of file rand48.cc.

RAND48_SEED_0

#define RAND48_SEED_0   (0x330e)

Definition at line 20 of file rand48.cc.

RAND48_SEED_1

#define RAND48_SEED_1   (0xabcd)

Definition at line 21 of file rand48.cc.

RAND48_SEED_2

#define RAND48_SEED_2   (0x1234)

Definition at line 22 of file rand48.cc.

Function Documentation

_dorand48()

static void _dorand48 ( unsigned short  xseed[3] )

static

Definition at line 47 of file rand48.cc.

References __rand48_Add, and __rand48_Mult.

Referenced by erand48(), jrand48(), lrand48(), mrand48(), and nrand48().

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drand48()

double drand48

(

void

)

Definition at line 145 of file rand48.cc.

References __rand48_Seed, and erand48().

Referenced by SpatialIndex::StorageManager::RandomEvictionsBuffer::removeEntry().

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erand48()

double erand48

(

unsigned short

xseed[3]

)

Definition at line 136 of file rand48.cc.

References _dorand48().

Referenced by drand48(), and Tools::Random::nextUniformDouble().

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jrand48()

long jrand48

(

unsigned short

xseed[3]

)

Definition at line 129 of file rand48.cc.

References _dorand48().

Referenced by Tools::Random::nextUniformLong().

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lcong48()

void lcong48

(

unsigned short

p[7]

)

Definition at line 118 of file rand48.cc.

References __rand48_Add, __rand48_Mult, and __rand48_Seed.

lrand48()

long lrand48

(

void

)

Definition at line 111 of file rand48.cc.

References __rand48_Seed, and _dorand48().

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mrand48()

long mrand48

(

void

)

Definition at line 104 of file rand48.cc.

References __rand48_Seed, and _dorand48().

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nrand48()

long nrand48

(

unsigned short

xseed[3]

)

Definition at line 98 of file rand48.cc.

References _dorand48().

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seed48()

unsigned short* seed48

(

unsigned short

xseed[3]

)

Definition at line 80 of file rand48.cc.

References __rand48_Add, __rand48_Mult, __rand48_Seed, RAND48_ADD, RAND48_MULT_0, RAND48_MULT_1, and RAND48_MULT_2.

srand48()

void srand48

(

long

seed

)

Definition at line 68 of file rand48.cc.

References __rand48_Add, __rand48_Mult, __rand48_Seed, RAND48_ADD, RAND48_MULT_0, RAND48_MULT_1, RAND48_MULT_2, and RAND48_SEED_0.

Variable Documentation

__rand48_Add

unsigned short __rand48_Add = RAND48_ADD

Definition at line 43 of file rand48.cc.

Referenced by _dorand48(), lcong48(), seed48(), and srand48().

__rand48_Mult

unsigned short __rand48_Mult[3]

Initial value:

= {
    RAND48_MULT_0,
    RAND48_MULT_1,
    RAND48_MULT_2
}

Definition at line 38 of file rand48.cc.

Referenced by _dorand48(), lcong48(), seed48(), and srand48().

__rand48_Seed

unsigned short __rand48_Seed[3]

Initial value:

= {
    RAND48_SEED_0,
    RAND48_SEED_1,
    RAND48_SEED_2
}

Definition at line 33 of file rand48.cc.

Referenced by drand48(), lcong48(), lrand48(), mrand48(), seed48(), and srand48().