quickrand

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-define(APPLICATION, quickrand).

% 1 / (16#1fffffffffffff + 1) =:= math:pow(2, -53) to provide [0.0 .. 1.0]
-define(DBL_EPSILON_DIV2, 1.1102230246251565e-16).

-define(BYTES_RESOLUTION, 4). % bytes

bytes(I) when is_integer(I), I > 0 ->
    bytes(0, I).

bytes(Bytes, 0) ->
    Bytes;
bytes(Bytes, I) ->
    bytes(Bytes + ?BYTES_RESOLUTION, I bsr (?BYTES_RESOLUTION * 8)).