[ python-Bugs-1226955 ] cPickle and pickle dump bug (inf float)

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Bugs item #1226955, was opened at 2005-06-24 14:35
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Category: Extension Modules
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Andrea Bolzonella (bolzonella)
Assigned to: Nobody/Anonymous (nobody)
Summary: cPickle and pickle dump bug (inf float)

Initial Comment:
An "inf float" can't be dumped in binary form. 
 
Python 2.4.1 (#1, Jun 10 2005, 16:30:55) 
[GCC 3.3.3 (SuSE Linux)] on linux2 
Type "help", "copyright", "credits" or "license" for more 
information. 
>>> import pickle 
>>> import cPickle 
>>> pickle.dumps (10e5000) 
'Finf\n.' 
>>> pickle.dumps (10e5000, pickle.HIGHEST_PROTOCOL) 
Traceback (most recent call last): 
  File "<stdin>", line 1, in ? 
  File "/home/bolz/DLD/lib/python2.4/pickle.py", line 1386, in 
dumps 
    Pickler(file, protocol, bin).dump(obj) 
  File "/home/bolz/DLD/lib/python2.4/pickle.py", line 231, in 
dump 
    self.save(obj) 
  File "/home/bolz/DLD/lib/python2.4/pickle.py", line 293, in 
save 
    f(self, obj) # Call unbound method with explicit self 
  File "/home/bolz/DLD/lib/python2.4/pickle.py", line 489, in 
save_float 
    self.write(BINFLOAT + pack('>d', obj)) 
SystemError: frexp() result out of range 
>>> 

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