From bac4d6a8c8566814e851452bedf5fa7ce596d54d Mon Sep 17 00:00:00 2001 From: Jules Laplace Date: Tue, 5 Aug 2014 17:56:38 -0400 Subject: very basic mobile ui --- public/assets/javascripts/util.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'public/assets/javascripts/util.js') diff --git a/public/assets/javascripts/util.js b/public/assets/javascripts/util.js index 58dcc3a..b92dcf3 100644 --- a/public/assets/javascripts/util.js +++ b/public/assets/javascripts/util.js @@ -31,7 +31,7 @@ function quantize(n,a){ return round(n / a) * a } function max(a,b){ return Math.max(a,b) } function min(a,b){ return Math.min(a,b) } function abs(n){ return Math.abs(n) } -function sign(n){ return Math.abs(n)/n } +function sign(n){ return n ? Math.abs(n)/n : 0 } function pow(n,b) { return Math.pow(n,b) } function exp(n) { return Math.exp(n) } function log(n){ return Math.log(n) } -- cgit v1.2.3-70-g09d2