[Numpy-discussion] Re ading scientific notation using D instead of E
Robert C.
ricitron@mac....
Fri Feb 12 11:06:02 CST 2010
Thank you for the replies. It must be because I am using python on OSX. Is
there no work around for it then?
Robert Kern-2 wrote:
>
> On Fri, Feb 12, 2010 at 10:05, <josef.pktd@gmail.com> wrote:
>> On Fri, Feb 12, 2010 at 11:03 AM, <josef.pktd@gmail.com> wrote:
>
>>>>>> np.float('1.5698D+03')
>>>
>>> 1569.8
>>>>>> np.float('1.23D+04')
>>> 12300.0
>>>
>>> it's still working with numpy 1.4.0
>>
>> maybe this is a python feature with python builtin float:
>>
>>>>> float('1.5698D+03')
>> 1569.8
>>>>> float('123D+04')
>> 1230000.0
>>
>> with python 2.5
>
> numpy.float is indeed Python's builtin float type (for obscure
> historical reasons that I won't go into). However, in Python 2.5, at
> least, the parsing of the string is offloaded to the standard C
> function strtod(). On your platform, strtod() will parse the D
> correctly. On OS X, for example, it doesn't. It has nothing to do with
> Python versions but rather the platform that you are on.
>
> --
> Robert Kern
>
> "I have come to believe that the whole world is an enigma, a harmless
> enigma that is made terrible by our own mad attempt to interpret it as
> though it had an underlying truth."
> -- Umberto Eco
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