__gnu_parallel::random_number

Langue: en

Version: 163377 (fedora - 05/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

__gnu_parallel::random_number - Random number generator, based on the Mersenne twister.

SYNOPSIS


Public Member Functions


unsigned long genrand_bits (int bits)

uint32 operator() (uint64 local_supremum)

uint32 operator() ()

random_number (uint32 seed, uint64 supremum=0x100000000ULL)

random_number ()

Detailed Description

Random number generator, based on the Mersenne twister.

Definition at line 41 of file random_number.h.

Constructor & Destructor Documentation

__gnu_parallel::random_number::random_number () [inline]

Default constructor. Seed with 0.

Definition at line 73 of file random_number.h.

__gnu_parallel::random_number::random_number (uint32 seed, uint64 supremum = 0x100000000ULL) [inline]

Constructor.

Parameters:

seed Random seed.
supremum Generate integer random numbers in the interval [0,supremum).

Definition at line 84 of file random_number.h.

Member Function Documentation

unsigned long __gnu_parallel::random_number::genrand_bits (int bits) [inline]

Generate a number of random bits, run-time parameter.

Parameters:

bits Number of bits to generate.

Definition at line 108 of file random_number.h.

uint32 __gnu_parallel::random_number::operator() (uint64 local_supremum) [inline]

Generate unsigned random 32-bit integer in the interval [0,local_supremum).

Definition at line 99 of file random_number.h.

uint32 __gnu_parallel::random_number::operator() () [inline]

Generate unsigned random 32-bit integer.

Definition at line 93 of file random_number.h.

Author

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