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26 lines
629 B
26 lines
629 B
(*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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open NS0
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let pp = Q.pp_print
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let hash = Poly.hash
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let hash_fold_t s q = Int.hash_fold_t s (hash q)
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let sexp_of_t q = Sexp.Atom (Q.to_string q)
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let t_of_sexp = function Sexp.Atom s -> Q.of_string s | _ -> assert false
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let of_z = Q.of_bigint
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let pow q = function
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| 1 -> q
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| 0 -> Q.one
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| -1 -> Q.inv q
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| n ->
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let q, n = if n < 0 then (Q.inv q, -n) else (q, n) in
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Q.make (Z.pow (Q.num q) n) (Z.pow (Q.den q) n)
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include Q
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