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Struct `std.random.MersenneTwisterEngine`

The Mersenne Twister generator.


						
				struct MersenneTwisterEngine(UIntType, ulong w, ulong n, ulong m, ulong r, UIntType a, ulong u, UIntType d, ulong s, UIntType b, ulong t, UIntType c, ulong l, UIntType f)
				

				  
				

				if (isUnsigned!UIntType);

Constructors

Name	Description
`this` (value)	Constructs a MersenneTwisterEngine object.

Properties

Name	Type	Description
`front`[get]	`UIntType`	Returns the current random value.
`save`[get]	`typeof(this)`

Methods

Name	Description
`defaultState` ()	Generates the default initial state for a Mersenne Twister; equivalent to the internal state obtained by calling `seed(defaultSeed)`
`popFront` ()	Advances the generator.
`seed` (value)	Seeds a MersenneTwisterEngine object.
`seed` (range)	Seeds a MersenneTwisterEngine object using an InputRange.
`seedImpl` (value, mtState)	Implementation of the seeding mechanism, which can be used with an arbitrary `State` instance
`seedImpl` (range, mtState)	Implementation of the range-based seeding mechanism, which can be used with an arbitrary `State` instance

Example

// seed with a constant
Mt19937 gen;
auto n = gen.front; // same for each run
writeln(n); // 3499211612

// Seed with an unpredictable value
gen.seed(unpredictableSeed);
n = gen.front; // different across runs

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.