Re: DecimalField Problem

Den 08/01/2014 kl. 17.11 skrev Timothy W. Cook <tim@mlhim.org>:

> But one would think that if Django calls it a decimal field, it would convert the float to decimal.
> I suppose I'll do that before writing it out to the file (an XML schema) so it really isn't a big deal, just surprising.

Ah, the "decimal" in DecimalField only refers to how you are supposed to enter the values in a form. Python itself only has float and that's what Django uses internally. Decimal vs. scientific notation is just a matter of how you choose to format the output when converting the float to a string. The default in Python depends on the value:

>>> str(0.1)
'0.1'
>>> str(0.00001)
'1e-05'

> > In reality I need to allow the range of, positive infinity to negative infinity. But this doesn't seem possible. Is it?
>
> It's not physically or computationally possible. How will you store an infinite number of digits on a hard drive of finite size? :-)
>
> Yeah, that was supposed to be sarcastic but it didn't come across well. :-)

Sorry, I only do sarcasm in my native language :-)

Erik

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