1 files changed, 35 insertions, 0 deletions
diff --git a/src/sequence.ml b/src/sequence.ml
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+
+
+(* Programmed by Jedidiah Barber *)
+(* Licensed under the Sunset License v1.0 *)
+
+
+let fibonacci ~len =
+  let rec fib a b r =
+    if List.length (r) > len - 1 then r
+    else fib b Z.(a + b) (a :: r)
+  in Array.of_list (List.rev (fib Z.zero Z.one []))
+
+
+
+let pagoda ~len =
+  let open Z in
+  let rec b n =
+    if n = zero then zero
+    else (uneven n) / ~$2 mod ~$2
+  and a n =
+    if ~$n = zero then minus_one
+    else b (~$n + one) - b (~$n - one)
+  and uneven n =
+    if is_even n then uneven (n / ~$2) else n
+  in Array.init len a
+
+
+
+let random ~len =
+  Random.self_init ();
+  let f n =
+    Z.of_int ((Random.int 1000000000) - 500000000)
+  in Array.init len f
+
+