Hi,
I think I saw a bug and I managed to isolate it in the following code:
using System;
class Bug{
static void Main()
{
ulong u = 3960077;
ulong f = 1000000;
for (int i = 0; i< 10000000; ++i)
{
Math.Cos(i);
}
double d = u/(double)f;
Console.WriteLine(d);
d = u/(double)f;
Console.WriteLine(d);
}
}
this code produces the following output:
nan
3,960077
Is that a bug?
What I think to be the problem is that the nan comes from the cos
computation and since I'm not reading the output of cos a "nan flag"
keeps activated and is desactivated at the first floating point
computation following the cos.
I'm using mono 0.16 provided by the RPM for mandrake 8.2. I'm running a
mandrake 9.0.
Is that a bug?
Is it already corrected (I didn't see it in bugzilla)?
Thanks in advance,
--
Stephane SOPPERA
http://stephane.soppera.free.fr
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