24 lines
545 B
OCaml
24 lines
545 B
OCaml
(* Unmarshal big integers from the given file, and report errors *)
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open Printf
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let expect ic n =
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try
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let m = (input_value ic : Z.t) in
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if Z.equal m n then printf " OK" else printf " Wrong"
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with Failure _ ->
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printf " Fail"
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let _ =
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let file = Sys.argv.(1) in
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let ic = open_in_bin file in
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for nbits = 16 to 128 do
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printf "%d:" nbits;
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let x = Z.shift_left Z.one nbits in
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expect ic (Z.pred (Z.neg x));
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expect ic (Z.neg x);
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expect ic (Z.pred x);
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expect ic x;
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print_newline()
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done;
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close_in ic
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