From: Evert Timberg <evert.timberg+github@gmail.com>
Date: Sun, 22 Jan 2017 17:46:27 +0000 (-0500)
Subject: inner radius could be slightly negative due to numerical errors
X-Git-Tag: v2.5.0~1^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1ef9fbf7a65763c13fa4bdf42bf4c68da852b1db;p=thirdparty%2FChart.js.git

inner radius could be slightly negative due to numerical errors
---

diff --git a/src/controllers/controller.doughnut.js b/src/controllers/controller.doughnut.js
index 70ee22e18..3d4780582 100644
--- a/src/controllers/controller.doughnut.js
+++ b/src/controllers/controller.doughnut.js
@@ -191,7 +191,7 @@ module.exports = function(Chart) {
 			meta.total = me.calculateTotal();
 
 			me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index));
-			me.innerRadius = me.outerRadius - chart.radiusLength;
+			me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0);
 
 			helpers.each(meta.data, function(arc, index) {
 				me.updateElement(arc, index, reset);