From 3f22d353ac7e48e27c3244390a8f80c8bfa33e82 Mon Sep 17 00:00:00 2001
From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Wed, 2 Jan 2019 00:38:01 +0200
Subject: [PATCH] add comment

---
 src/scales/scale.linearbase.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/scales/scale.linearbase.js b/src/scales/scale.linearbase.js
index db678c3c46b..732e6572076 100644
--- a/src/scales/scale.linearbase.js
+++ b/src/scales/scale.linearbase.js
@@ -41,6 +41,10 @@ function generateTicks(generationOptions, dataRange) {
 		factor = Math.pow(10, precision);
 		spacing = Math.ceil(spacing * factor) / factor;
 	}
+
+	// Loop here is for the case when min / spacing === max / spacing
+	// This happens due to float inccuracy when min and max are really close to each other
+	// One case: min = 1.8548483304974972 and max = 1.8548483304974974
 	do {
 		niceMin = Math.floor(dataRange.min / spacing) * spacing;
 		niceMax = Math.ceil(dataRange.max / spacing) * spacing;