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23 lines
469 B
OCaml
23 lines
469 B
OCaml
type t =
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| Pos
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| Neg
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val of_nperm : int -> t
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(** Returns the phase obtained by a given number of permuations. *)
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val to_nperm : t -> int
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(** Converts the phase to [1] or [0] permutations. *)
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val add : t -> t -> t
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(** Add a given phase to an existing phase. *)
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val add_nperm : t -> int -> t
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(** Add to an existing phase a given number of permutations. *)
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val neg : t -> t
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(** Negate the phase. *)
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(** {1 Printers} *)
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val pp_phase : Format.formatter -> t -> unit
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