From 65da3f573d6d13ae776d93aed25eed022079f33d Mon Sep 17 00:00:00 2001
From: Chris Malley <cmalley@pixelzoom.com>
Date: Mon, 22 Jun 2015 11:53:14 -0600
Subject: [PATCH] add note about -0

---
 js/Util.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/js/Util.js b/js/Util.js
index ce81e9b..f783e88 100644
--- a/js/Util.js
+++ b/js/Util.js
@@ -259,8 +259,9 @@ define( function( require ) {
      * See https://en.wikipedia.org/wiki/Rounding#Round_half_up.
      * For sims, we want to treat positive and negative values symmetrically, which is IEEE 754 "Round half away from zero",
      * See https://en.wikipedia.org/wiki/Rounding#Round_half_away_from_zero
+     * Note that -0 is rounded to 0, since we typically do not want to display -0 in sims.
      *
-     * @param {number} value
+     * @param {number} value                               `
      * @returns {number}
      */
     roundSymmetric: function( value ) {