Data commit

Task/Bernoulli-numbers/Swift/bernoulli-numbers.swift

@@ -0,0 +1,29 @@
+import BigInt
+
+public func bernoulli<T: BinaryInteger & SignedNumeric>(n: Int) -> Frac<T> {
+  guard n != 0 else {
+    return 1
+  }
+
+  var arr = [Frac<T>]()
+
+  for m in 0...n {
+    arr.append(Frac(numerator: 1, denominator: T(m) + 1))
+
+    for j in stride(from: m, through: 1, by: -1) {
+      arr[j-1] = (arr[j-1] - arr[j]) * Frac(numerator: T(j), denominator: 1)
+    }
+  }
+
+  return arr[0]
+}
+
+for n in 0...60 {
+  let b = bernoulli(n: n) as Frac<BigInt>
+
+  guard b != 0 else {
+    continue
+  }
+
+  print("B(\(n)) = \(b)")
+}