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-- This file is part of 'Finite Field Arithmetic', aka 'FFA'.               --
--                                                                          --
-- (C) 2017 Stanislav Datskovskiy ( www.loper-os.org )                      --
-- http://wot.deedbot.org/17215D118B7239507FAFED98B98228A001ABFFC7.html     --
--                                                                          --
-- You do not have, nor can you ever acquire the right to use, copy or      --
-- distribute this software ; Should you use this software for any purpose, --
-- or copy and distribute it to anyone or in any manner, you are breaking   --
-- the laws of whatever soi-disant jurisdiction, and you promise to         --
-- continue doing so for the indefinite future. In any case, please         --
-- always : read and understand any software ; verify any PGP signatures    --
-- that you use - for any purpose.                                          --
--                                                                          --
-- See also http://trilema.com/2015/a-new-software-licensing-paradigm .     --
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with FZ_Type; use FZ_Type;


package FZ_Mul is
   
   pragma Pure;
   
   -- 'Egyptological' multiplier. XY_Lo and XY_Hi hold result of X*Y.
   procedure FZ_Mul_Egyptian(X     : in  FZ;
                             Y     : in  FZ;
                             XY_Lo : out FZ;
                             XY_Hi : out FZ);
   pragma Precondition(X'Length = Y'Length and
                         XY_Lo'Length = XY_Hi'Length and
                         XY_Lo'Length = ((X'Length + Y'Length) / 2));
   
end FZ_Mul;