package xapi-rrd

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Module `Rrd_fring`Source

Ring structures for RRAs The values in the structures are bound to a range

Sourcemodule BoundedFloat = Rrd_utils.BoundedFloat

Sourcetype t

Sourceval make : int -> float -> float -> float -> t

create a ring structure with size record; records initialised to init

Sourceval copy : t -> t

create a duplicate ring structure

Sourceval length : t -> int

length (size) of the ring, it is constant

Sourceval push : t -> float -> unit

push into the ring one element

Sourceval peek : t -> int -> float

get the i^th old element from the ring

Sourceval top : t -> float

get the top element of the ring

Sourceval iter_nb : t -> (float -> unit) -> int -> unit

iterate over nb element of the ring, starting from the top

Sourceval raw_iter : t -> (float -> unit) -> unit

Sourceval iter : t -> (float -> unit) -> unit

iterate over all elements of the ring, starting from the top

Sourceval get_nb : t -> int -> float array

get array of latest nb value

Sourceval get : t -> float array

get an array with all the values in the ring