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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_ch3_shifts.kv      20 -- From Ada:
ffa_ch3_shifts.kv      21 with Ada.Text_IO; use Ada.Text_IO;
ffa_ch3_shifts.kv      22 
ffa_ch3_shifts.kv      23 -- From FFA:
ffa_ch3_shifts.kv      24 with Words;    use Words;
ffa_ch3_shifts.kv      25 with FZ_Type;  use FZ_Type;
ffa_ch3_shifts.kv      26 
ffa_ch3_shifts.kv      27 -- FFA Ch. 3
ffa_ch3_shifts.kv      28 with FZ_Shift; use FZ_Shift;
ffa_ch3_shifts.kv      29 
ffa_ch3_shifts.kv      30 -- From the Demo:
ffa_ch3_shifts.kv      31 with FFA_IO;   use FFA_IO;
ffa_ch3_shifts.kv      32 
ffa_ch3_shifts.kv      33 
ffa_ch3_shifts.kv      34 package body Demo_Ch3 is
ffa_ch3_shifts.kv      35    
ffa_ch3_shifts.kv      36    procedure Demo_Shifts is
ffa_ch3_shifts.kv      37       
ffa_ch3_shifts.kv      38       X : FZ(1 .. 4) := ( 16#083e16f27091f65f#,  16#74c01a9c3ce54f80#,
ffa_ch3_shifts.kv      39                           16#9fd0913737c3fcbe#,  16#fa55f3f5459a9e79# );
ffa_ch3_shifts.kv      40       
ffa_ch3_shifts.kv      41       Z : FZ(1 .. 4) := ( 0,  0,  0,  0 );
ffa_ch3_shifts.kv      42       
ffa_ch3_shifts.kv      43       -- Overflow
ffa_ch3_shifts.kv      44       O : Word := 0;
ffa_ch3_shifts.kv      45       
ffa_ch3_shifts.kv      46    begin
ffa_ch3_shifts.kv      47       
ffa_ch3_shifts.kv      48       Put_Line("~~~ Ch. 3 : Shifts ~~~");
ffa_ch3_shifts.kv      49       New_Line;
ffa_ch3_shifts.kv      50       
ffa_ch3_shifts.kv      51       Put_Line("X         =");
ffa_ch3_shifts.kv      52       Dump(X);
ffa_ch3_shifts.kv      53       New_Line;
ffa_ch3_shifts.kv      54       New_Line;
ffa_ch3_shifts.kv      55       
ffa_ch3_shifts.kv      56       -- Left Shifts:
ffa_ch3_shifts.kv      57       
ffa_ch3_shifts.kv      58       FZ_ShiftLeft_O(X, Z, 1, O);
ffa_ch3_shifts.kv      59       Put_Line("X << 1    =");
ffa_ch3_shifts.kv      60       Dump(Z);
ffa_ch3_shifts.kv      61       New_Line;
ffa_ch3_shifts.kv      62       Put_Line("Overflow  = ");
ffa_ch3_shifts.kv      63       Dump(O);
ffa_ch3_shifts.kv      64       New_Line;
ffa_ch3_shifts.kv      65       
ffa_ch3_shifts.kv      66       FZ_ShiftLeft_O(X, Z, 13, O);
ffa_ch3_shifts.kv      67       Put_Line("X << 13   =");
ffa_ch3_shifts.kv      68       Dump(Z);
ffa_ch3_shifts.kv      69       New_Line;
ffa_ch3_shifts.kv      70       Put_Line("Overflow  = ");
ffa_ch3_shifts.kv      71       Dump(O);
ffa_ch3_shifts.kv      72       New_Line;
ffa_ch3_shifts.kv      73       
ffa_ch3_shifts.kv      74       FZ_ShiftLeft_O(X, Z, 40, O);
ffa_ch3_shifts.kv      75       Put_Line("X << 40   =");
ffa_ch3_shifts.kv      76       Dump(Z);
ffa_ch3_shifts.kv      77       New_Line;
ffa_ch3_shifts.kv      78       Put_Line("Overflow  = ");
ffa_ch3_shifts.kv      79       Dump(O);
ffa_ch3_shifts.kv      80       New_Line;
ffa_ch3_shifts.kv      81       
ffa_ch3_shifts.kv      82       -- Right Shifts:
ffa_ch3_shifts.kv      83       
ffa_ch3_shifts.kv      84       FZ_ShiftRight_O(X, Z, 1, O);
ffa_ch3_shifts.kv      85       Put_Line("X >> 1    =");
ffa_ch3_shifts.kv      86       Dump(Z);
ffa_ch3_shifts.kv      87       New_Line;
ffa_ch3_shifts.kv      88       Put_Line("Overflow  = ");
ffa_ch3_shifts.kv      89       Dump(O);
ffa_ch3_shifts.kv      90       New_Line;
ffa_ch3_shifts.kv      91       
ffa_ch3_shifts.kv      92       FZ_ShiftRight_O(X, Z, 13, O);
ffa_ch3_shifts.kv      93       Put_Line("X >> 13   =");
ffa_ch3_shifts.kv      94       Dump(Z);
ffa_ch3_shifts.kv      95       New_Line;
ffa_ch3_shifts.kv      96       Put_Line("Overflow  = ");
ffa_ch3_shifts.kv      97       Dump(O);
ffa_ch3_shifts.kv      98       New_Line;
ffa_ch3_shifts.kv      99       
ffa_ch3_shifts.kv     100       FZ_ShiftRight_O(X, Z, 40, O);
ffa_ch3_shifts.kv     101       Put_Line("X >> 40   =");
ffa_ch3_shifts.kv     102       Dump(Z);
ffa_ch3_shifts.kv     103       New_Line;
ffa_ch3_shifts.kv     104       Put_Line("Overflow  = ");
ffa_ch3_shifts.kv     105       Dump(O);
ffa_ch3_shifts.kv     106       New_Line;
ffa_ch3_shifts.kv     107       
ffa_ch3_shifts.kv     108    end Demo_Shifts;
ffa_ch3_shifts.kv     109    
ffa_ch3_shifts.kv     110 end Demo_Ch3;