Commit first test case.

ICSharpCode.Decompiler.Tests/CorrectnessTestRunner.cs

@@ -65,6 +65,12 @@ namespace ICSharpCode.Decompiler.Tests
 			RunCS(options: options);
 		}
 
+		[Test]
+		public void FloatingPointArithmetic([ValueSource("defaultOptions")] CompilerOptions options)
+		{
+			RunCS(options: options);
+		}
+
 		[Test]
 		public void HelloWorld([ValueSource("defaultOptions")] CompilerOptions options)
 		{

ICSharpCode.Decompiler.Tests/ICSharpCode.Decompiler.Tests.csproj

@@ -61,6 +61,7 @@
     <Compile Include="TestCases\Correctness\ExpressionTrees.cs" />
     <Compile Include="TestCases\Correctness\LINQRaytracer.cs" />
     <Compile Include="TestCases\Correctness\MiniJSON.cs" />
+    <Compile Include="TestCases\Correctness\FloatingPointArithmetic.cs" />
     <Compile Include="TestCases\ILPretty\Issue982.cs" />
     <Compile Include="TestCases\Pretty\ExpressionTrees.cs" />
     <Compile Include="TestCases\Pretty\VariableNaming.cs" />

ICSharpCode.Decompiler.Tests/TestCases/Correctness/FloatingPointArithmetic.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace ICSharpCode.Decompiler.Tests.TestCases.Correctness
+{
+	class FloatingPointArithmetic
+	{
+		public static int Main(string[] args)
+		{
+			Issue999();
+			return 0;
+		}
+
+		static void Issue999()
+		{
+			for (float i = -10f; i <= 10f; i += 0.01f) 
+				Console.WriteLine("{1:R}: {0:R}", M(i), i);
+		}
+
+		static float M(float v)
+		{
+			return 0.99f * v + 0.01f;
+		}
+	}
+}