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ffa_ch1_genesis.kv      1 ------------------------------------------------------------------------------
ffa_ch1_genesis.kv      2 ------------------------------------------------------------------------------
ffa_ch1_genesis.kv      3 -- This file is part of 'Finite Field Arithmetic', aka 'FFA'.               --
ffa_ch1_genesis.kv      4 --                                                                          --
ffa_ch1_genesis.kv      5 -- (C) 2017 Stanislav Datskovskiy ( www.loper-os.org )                      --
ffa_ch1_genesis.kv      6 -- http://wot.deedbot.org/17215D118B7239507FAFED98B98228A001ABFFC7.html     --
ffa_ch1_genesis.kv      7 --                                                                          --
ffa_ch1_genesis.kv      8 -- You do not have, nor can you ever acquire the right to use, copy or      --
ffa_ch1_genesis.kv      9 -- distribute this software ; Should you use this software for any purpose, --
ffa_ch1_genesis.kv     10 -- or copy and distribute it to anyone or in any manner, you are breaking   --
ffa_ch1_genesis.kv     11 -- the laws of whatever soi-disant jurisdiction, and you promise to         --
ffa_ch1_genesis.kv     12 -- continue doing so for the indefinite future. In any case, please         --
ffa_ch1_genesis.kv     13 -- always : read and understand any software ; verify any PGP signatures    --
ffa_ch1_genesis.kv     14 -- that you use - for any purpose.                                          --
ffa_ch1_genesis.kv     15 --                                                                          --
ffa_ch1_genesis.kv     16 -- See also http://trilema.com/2015/a-new-software-licensing-paradigm .     --
ffa_ch1_genesis.kv     17 ------------------------------------------------------------------------------
ffa_ch1_genesis.kv     18 ------------------------------------------------------------------------------
ffa_ch1_genesis.kv     19 
ffa_ch1_genesis.kv     20 with Words; use Words;
ffa_ch1_genesis.kv     21 
ffa_ch1_genesis.kv     22 -- For some peculiar reason, the Ada standards group made
ffa_ch1_genesis.kv     23 -- the fundamental Shift and Rotate bitwise ops into ~optional~ components!
ffa_ch1_genesis.kv     24 
ffa_ch1_genesis.kv     25 -- However on GNAT we can force them to exist, as described in:
ffa_ch1_genesis.kv     26 -- https://gcc.gnu.org/onlinedocs/gnat_rm/Shifts-and-Rotates.html
ffa_ch1_genesis.kv     27 
ffa_ch1_genesis.kv     28 -- On a non-GNAT compiler, you're own your own.
ffa_ch1_genesis.kv     29 
ffa_ch1_genesis.kv     30 package W_Shifts is
ffa_ch1_genesis.kv     31    
ffa_ch1_genesis.kv     32    pragma Pure;
ffa_ch1_genesis.kv     33    
ffa_ch1_genesis.kv     34    function Shift_Left
ffa_ch1_genesis.kv     35      (Value  : Word; 
ffa_ch1_genesis.kv     36       Amount : Natural)
ffa_ch1_genesis.kv     37      return    Word;
ffa_ch1_genesis.kv     38    pragma Import(Intrinsic, Shift_Left);
ffa_ch1_genesis.kv     39    
ffa_ch1_genesis.kv     40    function Shift_Right
ffa_ch1_genesis.kv     41      (Value  : Word; 
ffa_ch1_genesis.kv     42       Amount : Natural)
ffa_ch1_genesis.kv     43      return    Word;
ffa_ch1_genesis.kv     44    pragma Import(Intrinsic, Shift_Right);
ffa_ch1_genesis.kv     45    
ffa_ch1_genesis.kv     46    function Rotate_Left
ffa_ch1_genesis.kv     47      (Value  : Word; 
ffa_ch1_genesis.kv     48       Amount : Natural)
ffa_ch1_genesis.kv     49      return    Word;
ffa_ch1_genesis.kv     50    pragma Import(Intrinsic, Rotate_Left);
ffa_ch1_genesis.kv     51    
ffa_ch1_genesis.kv     52    function Rotate_Right
ffa_ch1_genesis.kv     53      (Value  : Word; 
ffa_ch1_genesis.kv     54       Amount : Natural)
ffa_ch1_genesis.kv     55      return    Word;
ffa_ch1_genesis.kv     56    pragma Import(Intrinsic, Rotate_Right);
ffa_ch1_genesis.kv     57    
ffa_ch1_genesis.kv     58 end W_Shifts;