From ecf09db071416e56112a3343f7a190ffdbd2bbe1 Mon Sep 17 00:00:00 2001 From: Jules Date: Thu, 8 May 2014 12:51:28 -0400 Subject: randsign --- js/util.js | 1 + 1 file changed, 1 insertion(+) diff --git a/js/util.js b/js/util.js index f1fd3c2..c3940d3 100644 --- a/js/util.js +++ b/js/util.js @@ -46,6 +46,7 @@ function random(){ return Math.random() } function rand(n){ return (Math.random()*n) } function randint(n){ return rand(n)|0 } function randrange(a,b){ return a + rand(b-a) } +function randsign(){ return random() >= 0.5 ? -1 : 1 } function choice(a){ return a[randint(a.length)] } function deg(n){ return n*180/PI } function rad(n){ return n*PI/180 } -- cgit v1.2.3-70-g09d2