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in-package search v0.1.0
The functions from module
State manipulate the current state of the random generator explicitly. This allows using one or several deterministic PRNGs, even in a multi-threaded program, without interference from other parts of the program.
Random.get_state from the standard library is not exposed, because it misleadingly makes a copy of random state, which is not typically the desired outcome for accessing the shared state.
Obtaining multiple generators with good independence properties is nontrivial; see the
Splittable_random library for that.
val default : t
This gives access to the default random state, allowing user code to share (and thereby mutate) the random state used by the main functions in
val make : int array -> t
Creates a new state and initializes it with the given seed.
val make_self_init : ?allow_in_tests:bool -> unit -> t
Creates a new state and initializes it with a system-dependent low-entropy seed.
These functions are the same as the basic functions, except that they use (and update) the given PRNG state instead of the default one.
val bits : t -> int
val int : t -> int -> int
val int32 : t -> int32 -> int32
val nativeint : t -> nativeint -> nativeint
val int64 : t -> int64 -> int64
val float : t -> float -> float
val int_incl : t -> int -> int -> int
val int32_incl : t -> int32 -> int32 -> int32
val nativeint_incl : t -> nativeint -> nativeint -> nativeint
val int64_incl : t -> int64 -> int64 -> int64
val float_range : t -> float -> float -> float
val bool : t -> bool
val char : t -> char
val ascii : t -> char