From 9aba45cb5b786bed64a65e3ec8bcf304a4c97fd1 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <holden.rohrer@gmail.com>
Date: Sat, 28 Dec 2019 15:45:16 -0500
Subject: integrated array normalizer into vec

---
 utils/norm.js | 8 --------
 utils/vec.js  | 4 ++++
 2 files changed, 4 insertions(+), 8 deletions(-)
 delete mode 100644 utils/norm.js

diff --git a/utils/norm.js b/utils/norm.js
deleted file mode 100644
index a1a4fb3..0000000
--- a/utils/norm.js
+++ /dev/null
@@ -1,8 +0,0 @@
-// 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;
-}
diff --git a/utils/vec.js b/utils/vec.js
index f4a625c..3996fc2 100644
--- a/utils/vec.js
+++ b/utils/vec.js
@@ -27,3 +27,7 @@ exports.dot = function(orig,vec){
 exports.tileToChar = function(orig){
   return exports.dot(orig, [8,16]);
 }
+exports.norm = function(orig){
+  let sum = orig.reduce( (acc, cur) => acc+cur );
+  return exports.dot(orig, 1/sum);
+}
-- 
cgit