add fib_seq

src/util/fibonacci_sequence.scad

@@ -0,0 +1,17 @@
+include <__comm__/__fast_fibonacci.scad>;
+
+function _fibonacci_sequence(seq, n, i = 2) =
+    i > n ? seq :
+    _fibonacci_sequence(
+        concat(seq, [seq[i - 1] + seq[i - 2]]),
+        n,
+        i + 1
+    );   
+
+function fibonacci_sequence(from, to) =
+    let(f = __fast_fibonacci(from))
+    from == to ? [f] : 
+    _fibonacci_sequence(
+        [f, __fast_fibonacci(from - 1) + f], 
+        to - from
+    );