raw
ffa_ch3_shifts.kv       1 ------------------------------------------------------------------------------
ffa_ch3_shifts.kv       2 ------------------------------------------------------------------------------
ffa_ch3_shifts.kv       3 -- This file is part of 'Finite Field Arithmetic', aka 'FFA'.               --
ffa_ch3_shifts.kv       4 --                                                                          --
ffa_ch15_gcd.kv         5 -- (C) 2019 Stanislav Datskovskiy ( www.loper-os.org )                      --
ffa_ch3_shifts.kv       6 -- http://wot.deedbot.org/17215D118B7239507FAFED98B98228A001ABFFC7.html     --
ffa_ch3_shifts.kv       7 --                                                                          --
ffa_ch3_shifts.kv       8 -- You do not have, nor can you ever acquire the right to use, copy or      --
ffa_ch3_shifts.kv       9 -- distribute this software ; Should you use this software for any purpose, --
ffa_ch3_shifts.kv      10 -- or copy and distribute it to anyone or in any manner, you are breaking   --
ffa_ch3_shifts.kv      11 -- the laws of whatever soi-disant jurisdiction, and you promise to         --
ffa_ch3_shifts.kv      12 -- continue doing so for the indefinite future. In any case, please         --
ffa_ch3_shifts.kv      13 -- always : read and understand any software ; verify any PGP signatures    --
ffa_ch3_shifts.kv      14 -- that you use - for any purpose.                                          --
ffa_ch3_shifts.kv      15 --                                                                          --
ffa_ch3_shifts.kv      16 -- See also http://trilema.com/2015/a-new-software-licensing-paradigm .     --
ffa_ch3_shifts.kv      17 ------------------------------------------------------------------------------
ffa_ch3_shifts.kv      18 ------------------------------------------------------------------------------
ffa_ch3_shifts.kv      19 
ffa_ch2_logicals.kv    20 package body FZ_BitOp is
ffa_ch2_logicals.kv    21    
ffa_ch2_logicals.kv    22    -- Result := X & Y
ffa_ch2_logicals.kv    23    procedure FZ_And(X : in FZ; Y : in FZ; Result : out FZ) is
ffa_ch2_logicals.kv    24    begin
ffa_ch2_logicals.kv    25       for i in X'Range loop
ffa_ch2_logicals.kv    26          Result(i) := X(i) and Y(i);
ffa_ch2_logicals.kv    27       end loop;
ffa_ch2_logicals.kv    28    end FZ_And;
ffa_ch2_logicals.kv    29    
ffa_ch2_logicals.kv    30    
ffa_ch2_logicals.kv    31    -- N := N & W, W is a word
ffa_ch2_logicals.kv    32    procedure FZ_And_W(N : in out FZ; W : in Word) is
ffa_ch2_logicals.kv    33    begin
ffa_ch2_logicals.kv    34       N(N'First) := N(N'First) and W;
ffa_ch2_logicals.kv    35    end FZ_And_W;
ffa_ch2_logicals.kv    36    
ffa_ch2_logicals.kv    37    
ffa_ch2_logicals.kv    38    -- Result := X | Y
ffa_ch2_logicals.kv    39    procedure FZ_Or(X : in FZ; Y : in FZ; Result : out FZ) is
ffa_ch2_logicals.kv    40    begin
ffa_ch2_logicals.kv    41       for i in X'Range loop
ffa_ch2_logicals.kv    42          Result(i) := X(i) or Y(i);
ffa_ch2_logicals.kv    43       end loop;
ffa_ch2_logicals.kv    44    end FZ_Or;
ffa_ch2_logicals.kv    45    
ffa_ch2_logicals.kv    46    
ffa_ch2_logicals.kv    47    -- N := N | W, W is a word
ffa_ch2_logicals.kv    48    procedure FZ_Or_W(N : in out FZ; W : in Word) is
ffa_ch2_logicals.kv    49    begin
ffa_ch2_logicals.kv    50       N(N'First) := N(N'First) or W;
ffa_ch2_logicals.kv    51    end FZ_Or_W;
ffa_ch2_logicals.kv    52    
ffa_ch2_logicals.kv    53    
ffa_ch2_logicals.kv    54    -- Result := X ^ Y
ffa_ch2_logicals.kv    55    procedure FZ_Xor(X : in FZ; Y : in FZ; Result : out FZ) is
ffa_ch2_logicals.kv    56    begin
ffa_ch2_logicals.kv    57       for i in X'Range loop
ffa_ch2_logicals.kv    58          Result(i) := X(i) xor Y(i);
ffa_ch2_logicals.kv    59       end loop;
ffa_ch2_logicals.kv    60    end FZ_Xor;
ffa_ch2_logicals.kv    61    
ffa_ch2_logicals.kv    62    
ffa_ch2_logicals.kv    63    -- N := N ^ W, W is a word
ffa_ch2_logicals.kv    64    procedure FZ_Xor_W(N : in out FZ; W : in Word) is
ffa_ch2_logicals.kv    65    begin
ffa_ch2_logicals.kv    66       N(N'First) := N(N'First) xor W;
ffa_ch2_logicals.kv    67    end FZ_Xor_W;
ffa_ch2_logicals.kv    68    
ffa_ch2_logicals.kv    69    
ffa_ch2_logicals.kv    70    -- NotN := ~N
ffa_ch3_shifts.kv      71    procedure FZ_Not(N    : in FZ;
ffa_ch2_logicals.kv    72                     NotN : out FZ) is
ffa_ch2_logicals.kv    73    begin
ffa_ch2_logicals.kv    74       for i in N'Range loop
ffa_ch2_logicals.kv    75          NotN(i) := not N(i);
ffa_ch2_logicals.kv    76       end loop;
ffa_ch3_shifts.kv      77    end FZ_Not;
ffa_ch2_logicals.kv    78    
ffa_ch2_logicals.kv    79 end FZ_BitOp;