From 9477dbe667f250ecd23f8fc0d56b942191526421 Mon Sep 17 00:00:00 2001
From: Franciszek Malinka <franciszek.malinka@gmail.com>
Date: Thu, 25 Feb 2021 14:42:55 +0100
Subject: Stare semestry, niepoukladane

---
 Semestr 3/pf/lista1/a.out      | Bin 0 -> 21950 bytes
 Semestr 3/pf/lista1/lista1     | Bin 0 -> 823616 bytes
 Semestr 3/pf/lista1/lista1.cmi | Bin 0 -> 2188 bytes
 Semestr 3/pf/lista1/lista1.cmo | Bin 0 -> 1407 bytes
 Semestr 3/pf/lista1/lista1.ml  |  70 +++++++++++++++++++++++++++++++++++++++++
 Semestr 3/pf/lista1/zad6.ml    |  37 ++++++++++++++++++++++
 6 files changed, 107 insertions(+)
 create mode 100644 Semestr 3/pf/lista1/a.out
 create mode 100644 Semestr 3/pf/lista1/lista1
 create mode 100644 Semestr 3/pf/lista1/lista1.cmi
 create mode 100644 Semestr 3/pf/lista1/lista1.cmo
 create mode 100644 Semestr 3/pf/lista1/lista1.ml
 create mode 100644 Semestr 3/pf/lista1/zad6.ml

(limited to 'Semestr 3/pf/lista1')

diff --git a/Semestr 3/pf/lista1/a.out b/Semestr 3/pf/lista1/a.out
new file mode 100644
index 0000000..7fcdd98
Binary files /dev/null and b/Semestr 3/pf/lista1/a.out differ
diff --git a/Semestr 3/pf/lista1/lista1 b/Semestr 3/pf/lista1/lista1
new file mode 100644
index 0000000..8ce2f26
Binary files /dev/null and b/Semestr 3/pf/lista1/lista1 differ
diff --git a/Semestr 3/pf/lista1/lista1.cmi b/Semestr 3/pf/lista1/lista1.cmi
new file mode 100644
index 0000000..f2f5745
Binary files /dev/null and b/Semestr 3/pf/lista1/lista1.cmi differ
diff --git a/Semestr 3/pf/lista1/lista1.cmo b/Semestr 3/pf/lista1/lista1.cmo
new file mode 100644
index 0000000..801e852
Binary files /dev/null and b/Semestr 3/pf/lista1/lista1.cmo differ
diff --git a/Semestr 3/pf/lista1/lista1.ml b/Semestr 3/pf/lista1/lista1.ml
new file mode 100644
index 0000000..f8f585f
--- /dev/null
+++ b/Semestr 3/pf/lista1/lista1.ml	
@@ -0,0 +1,70 @@
+(* Zadanie 1 *)
+
+let a1 f g x = x |> g |> f
+let ff (a : 'a -> 'b) (b : 'c -> 'a) = fun x -> a (b x)
+
+let a2 a b = a
+let a3 a b = if a = b then a else a
+
+(* Zadanie 2 *);;
+let rec x y = x y;;
+
+(* Nie mozna bo etykieta b nie zostala nigdzie nalozona to jak ma byc sciagnieta? *)
+
+(* Zadanie 3 *);;
+
+
+let hd s = s 0
+let tl s = fun x -> s (x + 1)
+let add value s = fun x -> s x + value
+let map f s = fun x -> x |> s |> f
+let map2 f s1 s2 = 
+  fun x -> let a = s1 x and b = s2 x in f a b
+let replace n a s =
+  fun x -> if x mod n = 0 then a else s x
+let take n s =
+  fun x -> n*x |> s
+let rec scan f a s = 
+  fun x -> 
+  if x = 0 then f a (s 0)
+  else f ((scan f a s) (x - 1)) (s x)
+let rec tabulate ?(l=0) r s =
+  if l = r then [s r]
+  else s l :: tabulate ~l:(l + 1) r s
+let s1 x = x + 1
+let s2 x = x * x
+
+(* Zadanie 4 *)
+
+let ctrue a b = a
+let cfalse a b = b
+let cand f1 f2 a b = f1 (f2 a b) b
+let cor f1 f2 a b = f1 a (f2 a b)
+let cbool_of_bool b = if b then ctrue else cfalse
+let bool_of_cbool f = f true false
+
+
+(* Zadanie 5 *)
+
+let zero f x = x
+let succ fn = fun f x -> fn f (f x)
+let add f1 f2 = fun f x -> f1 f (f2 f x)
+let mul f1 f2 = fun f x -> (f1 (f2 f)) x
+let is_zero f = 
+  let g x = x + 1 
+  in if (f g 0) = 0 then ctrue else cfalse
+let rec cnum_of_int = function
+  | 0 -> zero
+  | n -> succ (cnum_of_int (n - 1))
+
+let int_of_cnum f = f (fun x -> x + 1) 0
+
+let one = succ zero
+let two = succ one
+let three = succ two
+let four = succ three
+let five = succ four
+
+let func x = x * 2
+
+(* Zadanie 6 *)
\ No newline at end of file
diff --git a/Semestr 3/pf/lista1/zad6.ml b/Semestr 3/pf/lista1/zad6.ml
new file mode 100644
index 0000000..46e7f6d
--- /dev/null
+++ b/Semestr 3/pf/lista1/zad6.ml	
@@ -0,0 +1,37 @@
+type cbool = { cbool : 'a. 'a -> 'a -> 'a }
+type cnum = { cnum : 'a. ('a -> 'a) -> 'a -> 'a }
+
+
+let even n =
+  { cbool = fun tt ff -> fst (n.cnum (fun (a, b) -> (b, a)) (tt, ff))}
+
+
+let ctrue = 
+  { cbool = fun a b -> a}
+let cfalse = 
+  { cbool = fun a b -> b}
+let cand f1 f2 a b = f1.cbool (f2.cbool a b) b
+let cor f1 f2 a b = f1.cbool a (f2.cbool a b)
+let cbool_of_bool b = if b then ctrue else cfalse
+let bool_of_cbool f = f.cbool true false
+
+let zero = { cnum = fun f x -> x }
+let succ fn = { cnum = fun f x -> fn.cnum f (f x) }
+let add f1 f2 = { cnum = fun f x -> f1.cnum f (f2.cnum f x) }
+let mul f1 f2 = { cnum = fun f x -> f1.cnum (f2.cnum f) x }
+(* let is_zero f =  *)
+let rec cnum_of_int = function
+  | 0 -> zero
+  | n -> succ (cnum_of_int (n - 1))
+let is_zero f = 
+  let g x = x + 1 
+  in if (f.cnum g 0) = 0 then ctrue else cfalse
+let int_of_cnum f = f.cnum (fun x -> x + 1) 0
+
+let one = succ zero
+let two = succ one
+let three = succ two
+let four = succ three
+let five = succ four
+
+let func x = x * 2
\ No newline at end of file
-- 
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