File : fz_lim.ads


   1 ------------------------------------------------------------------------------
   2 ------------------------------------------------------------------------------
   3 -- This file is part of 'Finite Field Arithmetic', aka 'FFA'.               --
   4 --                                                                          --
   5 -- (C) 2017 Stanislav Datskovskiy ( www.loper-os.org )                      --
   6 -- http://wot.deedbot.org/17215D118B7239507FAFED98B98228A001ABFFC7.html     --
   7 --                                                                          --
   8 -- You do not have, nor can you ever acquire the right to use, copy or      --
   9 -- distribute this software ; Should you use this software for any purpose, --
  10 -- or copy and distribute it to anyone or in any manner, you are breaking   --
  11 -- the laws of whatever soi-disant jurisdiction, and you promise to         --
  12 -- continue doing so for the indefinite future. In any case, please         --
  13 -- always : read and understand any software ; verify any PGP signatures    --
  14 -- that you use - for any purpose.                                          --
  15 --                                                                          --
  16 -- See also http://trilema.com/2015/a-new-software-licensing-paradigm .     --
  17 ------------------------------------------------------------------------------
  18 ------------------------------------------------------------------------------
  19 
  20 with Words;    use Words;
  21 
  22 
  23 package FZ_Lim is
  24    
  25    pragma Pure;
  26    
  27    FZ_Minimal_Bitness   : constant Positive := 256;
  28    
  29    FZ_Minimal_Wordness  : constant Positive := FZ_Minimal_Bitness / Bitness;
  30    
  31    FZ_Validity_Rule_Doc : constant String
  32      := "Must be greater than or equal to 256, and a power of 2.";
  33    
  34    -- Determine if a proposed FFA Bitness is valid.
  35    function FZ_Valid_Bitness_P(B : in Positive) return Boolean;
  36    
  37 end FZ_Lim;