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Function `std.random.rndGen`

Global random number generator used by various functions in this module whenever no generator is specified. It is allocated per-thread and initialized to an unpredictable value for each thread.


						
				ref MersenneTwisterEngine!(uint,32L,624L,397L,31L,2567483615,11L,4294967295,7L,2636928640,15L,4022730752,18L,1812433253) rndGen() @property @nogc @safe;

Returns

A singleton instance of the default random number generator

Example

import std.algorithm.iteration : sum;
import std.range : take;
auto rnd = rndGen;
assert(rnd.take(3).sum > 0);

Authors

Andrei Alexandrescu Masahiro Nakagawa (Xorshift random generator) Joseph Rushton Wakeling (Algorithm D for random sampling) Ilya Yaroshenko (Mersenne Twister implementation, adapted from mir-random)

License

Boost License 1.0.