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DEC Decimal Arbitrary Precision

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dec include money.hrl

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include/money.hrl

-ifndef(MONEY_HRL).
-define(MONEY_HRL, true).

-type fraction_length() :: integer().
-type digits() :: integer().

-record(dec, { fraction = 0 :: fraction_length(),
               digits = 0 :: digits()}).

-spec mul(#dec{},#dec{}) -> #dec{}.
-spec 'div'(#dec{},#dec{}) -> #dec{}.
-spec add(#dec{},#dec{}) -> #dec{}.
-spec sub(#dec{},#dec{}) -> #dec{}.

-endif.

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