Negative zero fix
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@ -30,7 +30,7 @@
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%% human-readable output, or compact ASCII serializations for floats.
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digits(N) when is_integer(N) ->
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integer_to_list(N);
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digits(N) when N =:= 0.0 ->
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digits(N) when N =:= +0.0 orelse N =:= -0.0 ->
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"0.0";
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digits(Float) ->
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{Frac1, Exp1} = frexp_int(Float),
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