package core_extended

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package core_extended
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type 'a t

a compiled finite discrete probability distribution that supports constant time sampling

val create : ('a * float) list -> 'a t

create dist compiles a discrete probability distribution into a form supporting constant-time sampling. The running time is O(N) where N = List.length dist. dist may be either a probability distribution (all floats are non-negative and sum to 1) or, more generally, a histogram in which frequencies are interpreted as probabilities.

val sample : ?state:Core.Random.State.t -> 'a t -> 'a

randomly sample the distribution in constant time

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