Initial Commit

Common/Auxiliary/SizeExtensions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+
+namespace Microsoft.Research.DynamicDataDisplay.Common.Auxiliary
+{
+	internal static class SizeExtensions
+	{
+		private const double sizeRatio = 1e-7;
+		public static bool EqualsApproximately(this Size size1, Size size2)
+		{
+			bool widthEquals = Math.Abs(size1.Width - size2.Width) / size1.Width < sizeRatio;
+			bool heightEquals = Math.Abs(size1.Height - size2.Height) / size1.Height < sizeRatio;
+
+			return widthEquals && heightEquals;
+		}
+	}
+}