From a176c8d5ee2e022e749bba234d597f0725ea8476 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <holden.rohrer@gmail.com>
Date: Fri, 27 Dec 2019 16:35:16 -0500
Subject: added array normalizing util

---
 utils/norm.js | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 utils/norm.js

(limited to 'utils')

diff --git a/utils/norm.js b/utils/norm.js
new file mode 100644
index 0000000..a1a4fb3
--- /dev/null
+++ b/utils/norm.js
@@ -0,0 +1,8 @@
+// Normalizes an array of numbers such that they sum to one
+
+module.exports = function(arr){ // Modifies arr
+  let sum = arr.reduce( (acc, cur) => arr+cur );
+  for (elem of arr)
+    elem = elem/sum;
+  return arr;
+}
-- 
cgit