a_rand_lcg48 Struct Reference

instance structure for the linear congruential generator and 48-bit integer arithmetic More...

#include <rand.h>

Public Member Functions
void	init (a_i64 x_)
	initialize with a seed value for the linear congruential generator and 48-bit integer arithmetic.
void	seed (a_u16 const x_[3]=NULL)
	initialize with a specific state for the linear congruential generator and 48-bit integer arithmetic.
a_u64	next (a_u16 x_[3])
	perform one iteration for the linear congruential generator and 48-bit integer arithmetic.
a_i32	i (a_u16 x_[3]=NULL)
	generate a signed 32-bit random integer.
a_u32	u (a_u16 x_[3]=NULL)
	generate an unsigned 32-bit random integer.
a_f64	f (a_u16 x_[3]=NULL)
	generate a 64-bit floating-point random number in [0,1).
void	shuf (void *ptr, a_size num, a_size siz)
	shuffle the elements of an array in place using the Fisher-Yates (Knuth) shuffle algorithm.

Data Fields
a_u64	a
a_u16	c
a_u16	x [3]

Detailed Description

instance structure for the linear congruential generator and 48-bit integer arithmetic

Member Function Documentation

f()

a_f64 a_rand_lcg48::f ( a_u16 x_[3] = NULL )

inline

generate a 64-bit floating-point random number in [0,1).

See also

a_rand_lcg48f

a_rand_lcg48f_

i()

a_i32 a_rand_lcg48::i ( a_u16 x_[3] = NULL )

inline

generate a signed 32-bit random integer.

See also

a_rand_lcg48i

a_rand_lcg48i_

init()

void a_rand_lcg48::init ( a_i64 x_ )

inline

initialize with a seed value for the linear congruential generator and 48-bit integer arithmetic.

See also

a_rand_lcg48_init

next()

a_u64 a_rand_lcg48::next ( a_u16 x_[3] )

inline

perform one iteration for the linear congruential generator and 48-bit integer arithmetic.

See also

a_rand_lcg48_next

seed()

void a_rand_lcg48::seed ( a_u16 const x_[3] = NULL )

inline

initialize with a specific state for the linear congruential generator and 48-bit integer arithmetic.

See also

a_rand_lcg48_seed

shuf()

void a_rand_lcg48::shuf ( void * ptr, a_size num, a_size siz )

inline

shuffle the elements of an array in place using the Fisher-Yates (Knuth) shuffle algorithm.

See also

a_rand_lcg48_shuf

u()

a_u32 a_rand_lcg48::u ( a_u16 x_[3] = NULL )

inline

generate an unsigned 32-bit random integer.

See also

a_rand_lcg48u

a_rand_lcg48u_

Field Documentation

a

a_u64 a_rand_lcg48::a

multiplier term

c

a_u16 a_rand_lcg48::c

increment term

x

a_u16 a_rand_lcg48::x[3]

random value

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The documentation for this struct was generated from the following file:

• rand.h