Guido van Rossum <[EMAIL PROTECTED]> added the comment:
I'd like to reopen this. I'm still in favor of something like to this
algorithm:
def float_repr(x):
s = "%.16g" % x
if float(s) != x:
s = "%.17g" % x
s1 = s
if s1.startswith('-'):
s1 = s[1:]
if s1.isdigit():
s += '.0' # Flag it as a float
# XXX special case inf and nan, see floatobject.c::format_double
return s
combined with explicitly using %.17g or the new hex notation (see issue
3008) in places where cross-platform correctness matters, like pickle
and marshal.
This will ensure float(repr(x)) == x on all platforms, but not cross
platforms -- and I don't care.
I'm fine with only doing this in 3.0.
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Python tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue1580>
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