https://bugzilla.novell.com/show_bug.cgi?id=467201
Summary: float64 to float32 to float64 conversion bug
Classification: Mono
Product: Mono: Runtime
Version: unspecified
Platform: x86
OS/Version: All
Status: NEW
Severity: Normal
Priority: P5 - None
Component: JIT
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Found By: ---
using System;
using System.Runtime.CompilerServices;
class Testing
{
[MethodImpl(MethodImplOptions.NoInlining)]
static double GetValue()
{
return 0.19975845134874831D;
}
public static void Main()
{
double d = (float)GetValue();
Console.Write("0x");
foreach (byte b in BitConverter.GetBytes(d))
Console.Write (b.ToString("x2"));
Console.WriteLine();
Console.WriteLine(d.ToString("R"));
}
}
Results on MS.NET:
0x00000060af91c93f
0.19975845515727997
Results on Mono:
0xd23cd257af91c93f
0.19975845134874831
Also see http://lists.ximian.com/pipermail/mono-list/2009-January/041075.html
It contains the original code that should be fixed as well.
I belive that the bug is exposed by my compacted test case and makes the
problem easier to analize but please ensure that the original code in the
message works as well.
--
Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the QA contact for the bug.
_______________________________________________
mono-bugs maillist - [email protected]
http://lists.ximian.com/mailman/listinfo/mono-bugs
