From: MatthieuRivaud <matthieu.rivaud+github@gmail.com>
Date: Tue, 9 Aug 2016 07:32:10 +0000 (+0200)
Subject: Calling |helpers.sign| instead of |Math.sign| directly for IE and Safari compatibility.
X-Git-Tag: v2.2.2~5^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F3112%2Fhead;p=thirdparty%2FChart.js.git

Calling |helpers.sign| instead of |Math.sign| directly for IE and Safari compatibility.
---

diff --git a/src/core/core.helpers.js b/src/core/core.helpers.js
index b77035dcf..36cd4d379 100644
--- a/src/core/core.helpers.js
+++ b/src/core/core.helpers.js
@@ -366,7 +366,7 @@ module.exports = function(Chart) {
 			}
 			if (!pointBefore || pointBefore.model.skip) pointCurrent.mK = pointCurrent.deltaK;
 			else if (!pointAfter || pointAfter.model.skip) pointCurrent.mK = pointBefore.deltaK;
-			else if (Math.sign(pointBefore.deltaK) != Math.sign(pointCurrent.deltaK)) pointCurrent.mK = 0;
+			else if (this.sign(pointBefore.deltaK) != this.sign(pointCurrent.deltaK)) pointCurrent.mK = 0;
 			else pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;
 		}