__gnu_parallel::_RandomNumber

Section: C Library Functions (3)
Updated: Wed Apr 17 2019
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NAME

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

SYNOPSIS

Public Member Functions

_RandomNumber ()
Default constructor. Seed with 0.
_RandomNumber (uint32_t __seed, uint64_t _M_supremum=0x100000000ULL)
Constructor.
unsigned long __genrand_bits (int __bits)
Generate a number of random bits, run-time parameter.
uint32_t operator() ()
Generate unsigned random 32-bit integer.
uint32_t operator() (uint64_t local_supremum)
Generate unsigned random 32-bit integer in the interval [0,local_supremum).

Detailed Description

Random number generator, based on the Mersenne twister.

Definition at line 42 of file random_number.h.

Constructor & Destructor Documentation

__gnu_parallel::_RandomNumber::_RandomNumber () [inline]

Default constructor. Seed with 0.

Definition at line 74 of file random_number.h.

__gnu_parallel::_RandomNumber::_RandomNumber (uint32_t __seed, uint64_t _M_supremum = 0x100000000ULL) [inline]

Constructor.

Parameters:

: __seed Random __seed.
_M_supremum Generate integer random numbers in the interval [0,_M_supremum).

Definition at line 85 of file random_number.h.

Member Function Documentation

unsigned long __gnu_parallel::_RandomNumber::__genrand_bits (int __bits) [inline]

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

Parameters:

: __bits Number of bits to generate.

Definition at line 109 of file random_number.h.

uint32_t __gnu_parallel::_RandomNumber::operator() () [inline]

Generate unsigned random 32-bit integer.

Definition at line 94 of file random_number.h.

uint32_t __gnu_parallel::_RandomNumber::operator() (uint64_t local_supremum) [inline]

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

Definition at line 100 of file random_number.h.

Author

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