[Ilugc] Python Help - How it handles very large numbers ?
- From: rajasuperman@xxxxxxxxx (Raja Subramanian)
- Date: Sat Aug 9 13:51:55 2008
On Sat, Aug 9, 2008 at 7:27 AM, carti <carti@xxxxxxxxxxxxxx> wrote:
I read/learnt that, Python handles very large numbers easily and
gracefully using the long int.
Python's long int is an arbitrary precision data type -- it's a special
python object and not a native hardware data type.
Python's integer data type is the traditional C long int.
See
http://docs.python.org/lib/typesnumeric.html
http://www.python.org/doc/2.5.1/api/longObjects.html
and Python source code:
Include/longintrepr.h
Objects/longobject.c
Could someone point me to the correct link where I can learn how python
handles large numbers.
Python handles its arbitrary precision arithmetic internally, see the source
code files mentioned above. Additional resources for arbitrary precision
arithmetic:
http://en.wikipedia.org/wiki/Bignum
http://gmplib.org/
If you are interested in number crunching with python, be sure to check
out
http://numpy.scipy.org/.
- Raja
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