curious problem with large numbers - Due to subprocess

[Michael Spencer]

Scott David Daniels wrote:
> Scott David Daniels wrote:
> 
>> Bengt Richter wrote:
>>
>>>> Aha! Same version (2.3.4):
>>>>
>>>> Idle:
>>>>    >>> 1e10000
>>>>    1.0
>>>>    >>> import struct; struct.pack('d', 1e10000)
>>>>    '\x00\x00\x00\x00\x00\x00\xf0?'
>>>> (which is actually 1.0)
>>>>
>>>> python via command line (readline support):
>>>>    >>> 1e10000
>>>>    1.#INF
>>>>    >>> import struct; struct.pack('d', 1e10000)
>>>>    '\x00\x00\x00\x00\x00\x00\xf0\x7f'
>>>>
>>>> Same results (command line vs. Idle) for 2.4.1.
> 
> 
> On Python 2.2.3: (#42, Jun  4 2003, 10:33:42)
> IDLE 0.8 -- press F1 for help
> 
>>>> 1e1000
> 
> 1.#INF
> 
> So, sometime after that.
> 
> --Scott David Daniels
> Scott.Daniels at Acm.Org
> 
Problem is associated with executing iteractive input in a subprocess.

 >python idle.py -n

IDLE 1.1      ==== No Subprocess ====
 >>> 1e10000
1.#INF
 >>>

Michael