49 lines
1.8 KiB
OCaml
49 lines
1.8 KiB
OCaml
(**************************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Pierre Chambart, OCamlPro *)
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(* Mark Shinwell and Leo White, Jane Street Europe *)
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(* *)
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(* Copyright 2013--2016 OCamlPro SAS *)
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(* Copyright 2014--2016 Jane Street Group LLC *)
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(* *)
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(* All rights reserved. This file is distributed under the terms of *)
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(* the GNU Lesser General Public License version 2.1, with the *)
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(* special exception on linking described in the file ../LICENSE. *)
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(* *)
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(**************************************************************************)
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module Int_base = Identifiable.Make (struct
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type t = int
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let compare x y = x - y
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let output oc x = Printf.fprintf oc "%i" x
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let hash i = i
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let equal (i : int) j = i = j
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let print = Format.pp_print_int
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end)
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module Int = struct
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type t = int
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include Int_base
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let rec zero_to_n n =
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if n < 0 then Set.empty else Set.add n (zero_to_n (n-1))
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end
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module Float = struct
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type t = float
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include Identifiable.Make (struct
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type t = float
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let compare x y = Pervasives.compare x y
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let output oc x = Printf.fprintf oc "%f" x
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let hash f = Hashtbl.hash f
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let equal (i : float) j = i = j
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let print = Format.pp_print_float
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end)
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end
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