From ddcd2a7a11b0b5fb7ad3afe6b95ad6ee2ca93397 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@sap.com>
Date: Sun, 23 Jul 2023 16:20:07 +0200
Subject: [PATCH] add alternative fibonacci while loop implementation
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Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>
---
 fibonacci.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/fibonacci.js b/fibonacci.js
index 75476bf..a62f471 100644
--- a/fibonacci.js
+++ b/fibonacci.js
@@ -16,6 +16,22 @@ function fibonacciLoop (num) {
   return fib[num]
 }
 
+/**
+ *
+ * @param num
+ * @returns
+ */
+function fibonacciLoopWhile (num) {
+  let current = 1
+  let previous = 0
+  while (--num) {
+    const temp = current
+    current += previous
+    previous = temp
+  }
+  return current
+}
+
 /**
  * @param num
  * @returns
@@ -46,6 +62,9 @@ Benchmark.suite(
   Benchmark.add('fibonacciLoop', () => {
     fibonacciLoop(number)
   }),
+  Benchmark.add('fibonacciLoopWhile', () => {
+    fibonacciLoopWhile(number)
+  }),
   Benchmark.add('fibonacciRecursion', () => {
     fibonacciRecursion(number)
   }),
-- 
2.34.1