From cad9e4efa62754798178d14ca6bc826e8285caf1 Mon Sep 17 00:00:00 2001
From: Vladimir Pecanac <vladimir.pecanac@gmail.com>
Date: Fri, 14 Aug 2026 15:13:36 +0200
Subject: [PATCH] FloatingPointTypes: retarget net10.0, add
 float/double/decimal equality example

---
 .../FloatingPointTypes/FloatingPointTypes.csproj       |  2 +-
 .../FloatingPointTypes/FloatingPointTypes/Program.cs   |  8 +++++++-
 numbers-csharp/FloatingPointTypes/Tests/Tests.csproj   | 10 +++++-----
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/numbers-csharp/FloatingPointTypes/FloatingPointTypes/FloatingPointTypes.csproj b/numbers-csharp/FloatingPointTypes/FloatingPointTypes/FloatingPointTypes.csproj
index 6a9fc36a15..95dc0bf640 100644
--- a/numbers-csharp/FloatingPointTypes/FloatingPointTypes/FloatingPointTypes.csproj
+++ b/numbers-csharp/FloatingPointTypes/FloatingPointTypes/FloatingPointTypes.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/numbers-csharp/FloatingPointTypes/FloatingPointTypes/Program.cs b/numbers-csharp/FloatingPointTypes/FloatingPointTypes/Program.cs
index a4e70f954c..4c61a8a871 100644
--- a/numbers-csharp/FloatingPointTypes/FloatingPointTypes/Program.cs
+++ b/numbers-csharp/FloatingPointTypes/FloatingPointTypes/Program.cs
@@ -6,4 +6,10 @@
 
 floatingArithmetic.FloatSumAndMultiplication(0.1f, 0.5f, 10);
 floatingArithmetic.DoubleSumAndMultiplication(0.2D, 1.5D, 10);
-floatingArithmetic.DecimalSumAndMultiplication(0.2M, 1.5M, 10);
\ No newline at end of file
+floatingArithmetic.DecimalSumAndMultiplication(0.2M, 1.5M, 10);
+
+// Why 0.1 + 0.2 does not equal 0.3: double is base-two and rounds each value,
+// while decimal is base-ten and stores 0.1 exactly.
+Console.WriteLine(0.1 + 0.2 == 0.3);           // False
+Console.WriteLine((0.1 + 0.2).ToString("R"));  // 0.30000000000000004
+Console.WriteLine(0.1m + 0.2m == 0.3m);        // True
\ No newline at end of file
diff --git a/numbers-csharp/FloatingPointTypes/Tests/Tests.csproj b/numbers-csharp/FloatingPointTypes/Tests/Tests.csproj
index f3eee7fab0..68c5a6075f 100644
--- a/numbers-csharp/FloatingPointTypes/Tests/Tests.csproj
+++ b/numbers-csharp/FloatingPointTypes/Tests/Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
@@ -9,13 +9,13 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="3.1.2">
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>