1 ------------------------------------------------------------------------------ 2 ------------------------------------------------------------------------------ 3 -- This file is part of 'Finite Field Arithmetic', aka 'FFA'. -- 4 -- -- 5 -- (C) 2019 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 with FZ_Type; use FZ_Type; 22 23 24 package FZ_Cmp is 25 26 pragma Pure; 27 28 ------------------------------------------- 29 -- Comparison Predicate Operations on FZ -- 30 ------------------------------------------- 31 32 -- 1 iff X == Y (branch-free); else 0 33 function FZ_EqP(X : in FZ; Y: in FZ) return WBool 34 with Pre => X'Length = Y'Length; 35 36 -- 1 iff X == W (branch-free); else 0 37 function FZ_EqP_W(X : in FZ; W : in Word) return WBool; 38 pragma Inline_Always(FZ_EqP_W); 39 40 -- 1 iff X < Y (branch-free); else 0 41 function FZ_LessThanP(X : in FZ; Y : in FZ) return WBool 42 with Pre => X'Length = Y'Length; 43 44 -- 1 iff X > Y (branch-free); else 0 45 function FZ_GreaterThanP(X : in FZ; Y : in FZ) return WBool 46 with Pre => X'Length = Y'Length; 47 48 end FZ_Cmp;