Re: A question on machine numbers
- To: mathgroup at smc.vnet.net
- Subject: [mg29915] Re: A question on machine numbers
- From: "Orestis Vantzos" <atelesforos at hotmail.com>
- Date: Wed, 18 Jul 2001 02:08:55 -0400 (EDT)
- Organization: National Technical University of Athens, Greece
- References: <9j0hji$fjq$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Windows ME, version 4, returns {True,True,True}
Orestis
"Ersek, Ted R" <ErsekTR at navair.navy.mil> wrote in message
news:9j0hji$fjq$1 at smc.vnet.net...
> Which if any platforms running Mathematica
> version 3 or 4 return something different for
> the following input.
> -----------
>
> In[1]:=
> {N[2^-52] === $MachineEpsilon,
> N[2^-1022] === $MinMachineNumber,
> N[2^1024] === $MaxMachineNumber}
>
> Out[1]=
> {True, True, True}
>
> -------------
> I understand this is the
> case for double precision on any computer which
> uses IEEE 754 floating point arithmetic.
>
>
> Thanks,
> Ted Ersek
>
>