C# -> VB: Math.Truncate is not added when converting Double(/Decimal) to Integer

[tats-u]

Input code

using System;

public partial class A
{
    public static void Main()
    {
        double foo = 0.6d;
        int bar = (int)foo;
        int baz = (int)Math.Ceiling(foo);
        Console.WriteLine(bar);
        Console.WriteLine(baz);
    }
}

https://sharplab.io/#v2:C4LgTgrgdgNAJiA1AHwAICYCMBYAUH1AZgAIAHAQzGAEtyAbYjYgQTwG89ivH11PuOubsOJwA9hABGdAKbEAZmLHEAvMQAMAOgBscANz8RxalGDFJlVcQAUJ4AEpFYg0KPHT58gC8rt0/YBZcmAAC00AYRlqOhMAc2snexc3RkwATmsLMCTDEVR0zO8c1y4AXzxSoA==

Produces:

0
1

Erroneous output

Imports System

Public Partial Class A
    Public Shared Sub Main()
        Dim foo = 0.6R
        Dim bar As Integer = foo
        Dim baz As Integer = Math.Ceiling(foo)
        Console.WriteLine(bar)
        Console.WriteLine(baz)
    End Sub
End Class

https://sharplab.io/#v2:DYLgbgRgNALiBOBXAdlAJiA1AHwJIFsAHAe3hgGcACAZQE9yYBTfAWACh2AFRCYASwDGlTgEMyfEcEoBhYCPJUAgu0qrhPfkOoALMYzQ0elALIi+yABQBKFWrsARPvkoAzYsUoBeSgAYAdABsAEq2dqqOzhBilIpUuMhMAOaM8F6u7qFhEZRRAF4xcQmMyanepjDaftKMfPzIiRZuxDZsYWrSxMjkxMCMfgDq8HxMADLmjBZR8C1tqh1dPX2Dw4xjyBN5M2oAosgG1Dzsuway8uTsQA=

Produces:

1
1

Expected output

Imports System

Public Partial Class A
    Public Shared Sub Main()
        Dim foo = 0.6R
        Dim bar As Integer = Math.Truncate(foo)
        Dim baz As Integer = Math.Ceiling(foo)
        Console.WriteLine(bar)
        Console.WriteLine(baz)
    End Sub
End Class

https://sharplab.io/#v2:DYLgbgRgNALiBOBXAdlAJiA1AHwJIFsAHAe3hgGcACAZQE9yYBTfAWACh2AFRCYASwDGlTgEMyfEcEoBhYCPJUAgu0qrhPfkOoALMYzQ0elALIi+yABQBKFWrsARPvkoAzYsUoBeSgAYAdABsAEq2dqqOzhBilIpUuMhMAOaM8F4mIjDafgAqSMgCGYwWbsQ2bGFqEZRRAF4xcQmMyaneppl+0ox8/MiJxe5lFarSxMjkxMCMfgDq8HxMADLmRVHwg0MjYxNTs/OMS8grIjXrqgCiyAbUPOwXBrLy5EA

Produces:

0
1

Details

• Product in use: icsharpcode.github.io/CodeConverter

Reverse conversion of #1020