From 62bc5279ca556d22f2eb99e6cf0d1e177704fdf0 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Wed, 17 Jun 2020 16:20:58 -0300
Subject: [PATCH] use nearly equals for deciding to raise scrollchanged event.

---
 src/Avalonia.Controls/ScrollViewer.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/ScrollViewer.cs b/src/Avalonia.Controls/ScrollViewer.cs
index def947a433..aceb2761a4 100644
--- a/src/Avalonia.Controls/ScrollViewer.cs
+++ b/src/Avalonia.Controls/ScrollViewer.cs
@@ -638,7 +638,7 @@ namespace Avalonia.Controls
             var offsetDelta = Offset - _oldOffset;
             var viewportDelta = new Vector(Viewport.Width - _oldViewport.Width, Viewport.Height - _oldViewport.Height);
 
-            if (extentDelta != default || offsetDelta != default || viewportDelta != default)
+            if (!extentDelta.NearlyEquals(default) && !offsetDelta.NearlyEquals(default) && !viewportDelta.NearlyEquals(default))
             {
                 var e = new ScrollChangedEventArgs(extentDelta, offsetDelta, viewportDelta);
                 OnScrollChanged(e);