Data commit

Task/Fibonacci-sequence/Rhovas/fibonacci-sequence-1.rhovas

@@ -0,0 +1,11 @@
+func fibonacci(num: Integer): Integer {
+    require num >= 0;
+    var previous = 1;
+    var current = 0;
+    for (val _ in range(1, num, :incl)) {
+        val next = current + previous;
+        previous = current;
+        current = next;
+    }
+    return current;
+}

Task/Fibonacci-sequence/Rhovas/fibonacci-sequence-2.rhovas

@@ -0,0 +1,8 @@
+func fibonacci(num: Integer): Integer {
+    require num >= 0;
+    match {
+        num == 0: return 0;
+        num == 1: return 1;
+        else: return fibonacci(num - 1) + fibonacci(num - 2);
+    }
+}

Task/Fibonacci-sequence/Rhovas/fibonacci-sequence-3.rhovas

@@ -0,0 +1,7 @@
+func fibonacci(num: Integer): Integer {
+    match {
+        num >= 0: return positiveFibonacci(num);
+        num.mod(2) != 0: return positiveFibonacci(-num);
+        else: return -positiveFibonacci(-num);
+    }
+}