A JustCode extension that adds a warning for < > <= >= between double/float

JustCode comparison warning

using System.Collections.Generic;
using System.ComponentModel.Composition;
using Telerik.JustCode.CommonLanguageModel;

namespace JustCodeExtension3
{
	[Export(typeof(IEngineModule))]
	[Export(typeof(ICodeMarkerGroupDefinition))]
	public class WarningExample : CodeMarkerProviderModuleBase
	{
		private const string WarningExampleID = "JustCode_FloatingPointComparison";
		private const string MarkerText = "Using direct comparison between floating point values might be dangerous";
		private const string Description = "Warning for usage of direct comparison between floating point values";

		public override IEnumerable<CodeMarkerGroup> CodeMarkerGroups
		{
			get
			{
				foreach (var language in new[] { LanguageNames.CSharp, LanguageNames.VisualBasic })
				{
					yield return CodeMarkerGroup.Define(
						language,
						WarningExampleID,
						CodeMarkerAppearance.Warning,
						Description,
						true,
						MarkerText,
						string.Empty);
				}
			}
		}

		protected override void AddCodeMarkers(FileModel fileModel)
		{
			foreach (var expression in fileModel.All<IBinaryExpression>().Where(x => x.Operator == Operator.Less || x.Operator == Operator.LessOrEqual || 
																					 x.Operator == Operator.Greater || x.Operator == Operator.GreaterOrEqual))
			{
				var leftExpressionIsFloatingPoint = expression.LeftExpression.Type.Is("System.Single") || expression.LeftExpression.Type.Is("System.Double");
				var rightExpressionIsFloatingPoint = expression.RightExpression.Type.Is("System.Single") || expression.RightExpression.Type.Is("System.Double");
				if (leftExpressionIsFloatingPoint && rightExpressionIsFloatingPoint)
				{
					expression.AddCodeMarker(WarningExampleID, this);
				}
			}
		}
	}
}