yarandom.h File Reference

internal header for PRNG More...

#include <inttypes.h>
#include "core/core.h"

Macros
#define	RAND_MAX   0x7FFFFFFFL
#define	random()
#define	rand   __ERROR_use_random_not_rand_in_scales_ppm__
#define	drand48   __ERROR_use_frand_not_drand48_in_scales_ppm__
#define	srandom   __ERROR_do_not_call_srandom_in_scales_ppm__
#define	srand   __ERROR_do_not_call_srand_in_scales_ppm__
#define	srand48   __ERROR_do_not_call_srand48_in_scales_ppm__
#define	frand(f)

Functions
uint32_t	PPM_ya_random (void)
uint64_t	PPM_ya_random64 (void)
unsigned int	PPM_ya_rand_init (MPI_Comm comm, int)
void	PPM_ya_rand_finish (void)
double	PPM_ya_frandom (void)
float	PPM_ya_frandomf (void)
double	PPM_ya_fsgrandom (void)
float	PPM_ya_fsgrandomf (void)

Detailed Description

internal header for PRNG

Changes for ScalES-PPM:

Copyright

Copyright (C) 2012 Thomas Jahns jahns.nosp@m.@dkr.nosp@m.z.de

Version

1.0

Author

Jamie Zawinski jwz@j.nosp@m.wz.o.nosp@m.rg

Macro Definition Documentation

frand

#define frand

(

f

)

Value:

(PPM_ya_frandom() * (f))

random

#define random

(

)

Value:

((long)PPM_ya_random() & RAND_MAX)

Function Documentation

PPM_ya_frandom()

double PPM_ya_frandom

(

void

)

PRNG function for double precision floating-point quantities

Returns

random number in range [0.0,1.0)

PRNG function for uniformly distributed double precision floating-point quantities This routine is synonymous with PPM_drandp.

Returns

random number in range [0.0,1.0)

PPM_ya_frandomf()

float PPM_ya_frandomf

(

void

)

PRNG function for double precision floating-point quantities

Returns

random number in range [0.0f,1.0f)

PRNG function for uniformly distributed single precision floating-point quantities This routine is synonymous with PPM_frandp.

Returns

random number in range [0.0,1.0)

PPM_ya_fsgrandom()

double PPM_ya_fsgrandom

(

void

)

PRNG function for double precision floating-point quantities

Returns

random number in range (-1.0,1.0), including 0.0

PRNG function for uniformly distributed double precision floating-point quantities This routine is synonymous with PPM_drand.

Returns

random number in range (-1.0,1.0)

PPM_ya_fsgrandomf()

float PPM_ya_fsgrandomf

(

void

)

PRNG function for double precision floating-point quantities

Returns

random number in range (-1.0f,1.0f), including 0.0f

PRNG function for uniformly distributed single precision floating-point quantities This routine is synonymous with PPM_frand.

Returns

random number in range (-1.0,1.0)

PPM_ya_random()

uint32_t PPM_ya_random

(

void

)

PRNG function for type int uint32_t

Returns

random number in range [0,2^32-1]

PPM_ya_random64()

uint64_t PPM_ya_random64

(

void

)

PRNG function for type int uint64_t

Returns

random number in range [0,2^64-1]