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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 with Words;   use Words;
ffa_ch3_shifts.kv      21 with FZ_Type; use FZ_Type;
ffa_ch3_shifts.kv      22 
ffa_ch3_shifts.kv      23 
ffa_ch3_shifts.kv      24 package FZ_Shift is
ffa_ch3_shifts.kv      25    
ffa_ch3_shifts.kv      26    pragma Pure;
ffa_ch3_shifts.kv      27    
ffa_ch3_shifts.kv      28    --------------------------------------------------------------
ffa_ch14_barrett.kv    29    -- WARNING: These ops are not precondition-shielded, and
ffa_ch14_barrett.kv    30    -- must never be directly exposed via the user API ( ffa.ads )
ffa_ch14_barrett.kv    31    --------------------------------------------------------------
ffa_ch14_barrett.kv    32    
ffa_ch14_barrett.kv    33    --------------------------------------------------------------
ffa_ch3_shifts.kv      34    -- Shift Right
ffa_ch3_shifts.kv      35    --------------------------------------------------------------
ffa_ch3_shifts.kv      36    
ffa_ch3_shifts.kv      37    -- ShiftedN := N >> Count (with Overflow Input and Output)
ffa_ch14_barrett.kv    38    -- WARNING: OF_in MUST be of valid bit-width for the shift!
ffa_ch3_shifts.kv      39    procedure FZ_ShiftRight_O_I(N        : in  FZ;
ffa_ch3_shifts.kv      40                                ShiftedN : out FZ;
ffa_ch3_shifts.kv      41                                Count    : in  WBit_Index;
ffa_ch3_shifts.kv      42                                Overflow : out Word;
ffa_ch3_shifts.kv      43                                OF_in    : in  Word);
ffa_ch11_tuning_a...   44    pragma Inline_Always(FZ_ShiftRight_O_I);
ffa_ch3_shifts.kv      45    
ffa_ch3_shifts.kv      46    -- ShiftedN := N >> Count (with Overflow Output only)
ffa_ch3_shifts.kv      47    procedure FZ_ShiftRight_O(N        : in  FZ;
ffa_ch3_shifts.kv      48                              ShiftedN : out FZ;
ffa_ch3_shifts.kv      49                              Count    : in  WBit_Index;
ffa_ch3_shifts.kv      50                              Overflow : out Word);
ffa_ch11_tuning_a...   51    pragma Inline_Always(FZ_ShiftRight_O);
ffa_ch3_shifts.kv      52    
ffa_ch3_shifts.kv      53    -- ShiftedN := N >> Count (no Overflow output or input)
ffa_ch3_shifts.kv      54    procedure FZ_ShiftRight(N        : in  FZ;
ffa_ch3_shifts.kv      55                            ShiftedN : out FZ;
ffa_ch3_shifts.kv      56                            Count    : in  WBit_Index);
ffa_ch11_tuning_a...   57    pragma Inline_Always(FZ_ShiftRight);
ffa_ch3_shifts.kv      58    
ffa_ch3_shifts.kv      59    --------------------------------------------------------------
ffa_ch3_shifts.kv      60    -- Shift Left
ffa_ch3_shifts.kv      61    --------------------------------------------------------------
ffa_ch3_shifts.kv      62 
ffa_ch3_shifts.kv      63    -- ShiftedN := N << Count (with Overflow Input and Output)
ffa_ch14_barrett.kv    64    -- WARNING: OF_in MUST be of valid bit-width for the shift!
ffa_ch3_shifts.kv      65    procedure FZ_ShiftLeft_O_I(N        : in  FZ;
ffa_ch3_shifts.kv      66                               ShiftedN : out FZ;
ffa_ch3_shifts.kv      67                               Count    : in  WBit_Index;
ffa_ch3_shifts.kv      68                               Overflow : out Word;
ffa_ch3_shifts.kv      69                               OF_in    : in  Word);
ffa_ch11_tuning_a...   70    pragma Inline_Always(FZ_ShiftLeft_O_I);
ffa_ch3_shifts.kv      71    
ffa_ch3_shifts.kv      72    -- ShiftedN := N << Count (with Overflow Output only)
ffa_ch3_shifts.kv      73    procedure FZ_ShiftLeft_O(N        : in  FZ;
ffa_ch3_shifts.kv      74                             ShiftedN : out FZ;
ffa_ch3_shifts.kv      75                             Count    : in  WBit_Index;
ffa_ch3_shifts.kv      76                             Overflow : out Word);
ffa_ch11_tuning_a...   77    pragma Inline_Always(FZ_ShiftLeft_O);
ffa_ch3_shifts.kv      78    
ffa_ch3_shifts.kv      79    -- ShiftedN := N << Count (no Overflow output or input)
ffa_ch3_shifts.kv      80    procedure FZ_ShiftLeft(N        : in  FZ;
ffa_ch3_shifts.kv      81                           ShiftedN : out FZ;
ffa_ch3_shifts.kv      82                           Count    : in  WBit_Index);
ffa_ch11_tuning_a...   83    pragma Inline_Always(FZ_ShiftLeft);
ffa_ch3_shifts.kv      84    
ffa_ch3_shifts.kv      85 end FZ_Shift;