From: Dan Vanderkam <danvdk@gmail.com>
Date: Fri, 27 Sep 2013 13:32:27 +0000 (-0400)
Subject: add comment explaining isFinite check
X-Git-Tag: v1.1.0~83
X-Git-Url: https://adrianiainlam.tk/git/?a=commitdiff_plain;h=40a54d297426592f720286f41ff0e5fa01d7a45b;p=dygraphs.git

add comment explaining isFinite check
---

diff --git a/dygraph-layout.js b/dygraph-layout.js
index c1c2bc4..78d8b19 100644
--- a/dygraph-layout.js
+++ b/dygraph-layout.js
@@ -214,7 +214,7 @@ DygraphLayout.prototype._evaluateLimits = function() {
 DygraphLayout._calcYNormal = function(axis, value, logscale) {
   if (logscale) {
     var x = 1.0 - ((Dygraph.log10(value) - Dygraph.log10(axis.minyval)) * axis.ylogscale);
-    return isFinite(x) ? x : NaN;
+    return isFinite(x) ? x : NaN;  // shim for v8 issue; see pull request 276
   } else {
     return 1.0 - ((value - axis.minyval) * axis.yscale);
   }