CH_Tools::GB_rand Class Reference

device independent random number generator based on long int with seed More...

#include <gb_rand.hxx>

Public Member Functions
void	init (long seed=1)
	restart generator with seed
	GB_rand (long seed=1)
	calls init(seed)
long	unif_long (long m)
	returns a random integer number "uniformly distributed" in {0,..,m-1}
double	next ()
	returns a random double number "uniformly distributed" in (0,1)
std::ostream &	save (std::ostream &out) const
	save current configuration to out so as to continue identically after restore
std::istream &	restore (std::istream &in)
	restore settings as stored in save

Private Member Functions
long	mod_diff (long x, long y)
	compute (x-y) & 0x7fffffff
long	flip_cycle ()
	compute next set of numbers

Private Attributes
long	A [56]
	storage for the next few precomputed random numbers
int	ind
	index of the next number to return

Detailed Description

device independent random number generator based on long int with seed

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

• gb_rand.hxx