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33 lines
653 B
OCaml
33 lines
653 B
OCaml
type t = float
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external of_float : float -> t = "%identity"
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external to_float : t -> float = "%identity"
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let of_int i = float_of_int i
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let of_string s = float_of_string s
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let to_int x = int_of_float x
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let to_string x =
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if x >= 0. then
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Printf.sprintf "+%f" x
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else
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Printf.sprintf "%f" x
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let ( + ) a b =
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(to_float a) +. (to_float b) |> of_float
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let ( - ) a b =
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(to_float a) -. (to_float b) |> of_float
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let ( * ) a b =
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(to_float a) *. b |> of_float
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let ( / ) a b =
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(to_float a) /. b |> of_float
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let pp ppf x =
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if x > 0. then
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Format.fprintf ppf "@[+%f@]" (to_float x)
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else
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Format.fprintf ppf "@[%f@]" (to_float x)
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