Crate drand48 

Modules

extract

extracting values from DRAND48.next() output

Structs

DRAND48

Structure for the 48-bit Linear Congruential Generator (LCG) drand48.

Constants

A

Multiplier a = 0x5DEECE66D (25214903917_i64)

C

Increment c = 0xB (11_i64)

M

Modulo m = 2^48 (281_474_976_710_656_i64)

MAX

Maximum returned value is m - 1

MIN

Minimum returned value 0

PERIOD

Period is 2^48 = m (full period LCG)

SEED

Default seed is 0x1234_abcd_330e

Functions

clamp_seed

clamp seed into valid drand48 range

srand48

Creates a generator seeded by srand48() POSIX.1 method

validate_seed

Check if seed is valid for drand48 generator.