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Added new main test program (primality test)

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elvis
2024-10-08 19:07:08 +02:00
parent 0704cb9c72
commit 4172d685c3
1 changed files with 70 additions and 0 deletions
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70
bin/main.ml
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@ -150,3 +150,73 @@ let program =
Printf.printf "%d\n" (reduce 48 program)
;;
(* -------------------------------------------------------------------------- *)
(* Miller-Rabin primality test program *)
let program =
Main
("n",
"result",
Sequence (
(Assignment ("result", Integer 0)),
(Sequence (
(Sequence (
(Assignment ("s", Integer 0)),
(While (
(BCmp (Integer 0,
Modulo (
Division (
(Minus (Variable "n", Integer 1)),
(Power (Integer 2, Variable "s"))),
(Integer 2)
)
)
),
(Assignment ("s", Plus (Variable "s", Integer 1)))
))
)),
(Sequence (
(Assignment ("d", Division (Minus (Variable "n", Integer 1), Power (Integer 2, Variable "s")))),
(For (
(Assignment ("i", Integer 20)),
(BCmpGreater (Variable "i", Integer 0)),
(Assignment ("i", Minus (Variable "i", Integer 1))),
(Sequence (
Sequence (
(Assignment ("a", Plus (Rand (Minus (Variable "n", Integer 4)), Integer 2))),
(Assignment ("x", PowerMod (Variable "a", Variable "d", Variable "n")))),
Sequence (
(For (
(Assignment ("j", Integer 0)),
(BCmpLess (Variable "j", Variable "s")),
(Assignment ("j", Plus (Variable "j", Integer 1))),
(Sequence (
Sequence (
(Assignment ("y", PowerMod (Variable "x", Integer 2, Variable "n"))),
(If (
(BAnd (BAnd (BCmp (Variable "y", Integer 1), BNot (BCmp (Variable "x", Integer 1))), BNot (BCmp (Variable "x", Minus (Variable "n", Integer 1))))),
(Assignment ("result", Integer 1)),
(Skip)
))),
(Assignment ("x", Variable "y"))
))
)),
(If (
(BNot (BCmp (Variable "y", Integer 1))),
(Assignment ("result", Integer 1)),
(Skip)
)))
))
))
))
))
)
)
;;
(* should return 0 because prime *)
Printf.printf "%d\n" (reduce 179424673 program)
;;
(* sould return 1 because not prime *)
Printf.printf "%d\n" (reduce 179424675 program)
;;