Hi,
I just tried the following in Sympy Live,
a = Integer(10e300)
a*a
100000000000000010500952051040884325415878661871005563386469026563183901107141845888855375804821112590900462906138078215714886901403063702688781015242737775003588508381608255081426313715035434527894909745341950247076736339289993280859129588137156894028824450360604004190215620763638302731984361410625939709810767686156430360442971171310648422643033807071123172876798870920735189695774152261693007436174667258386817039537801780474418562810236222461868084545932215472986213590436821015700837024803434436804935851157278080662231126577922910966922900650502620173747227034491861267997370685309929977282560000
It looks like it supports large integers.
Cheers,
Tim.
On 4 Mar 2014, at 21:06, Ambar Mehrotra wrote:
@Tim,
This link http://docs.sympy.org/latest/tutorial/manipulation.html says
that
SymPy's Integer class is similar to python's built-in int type. It
just
plays well with other sympy classes.
Gmpy is currently not supported on google app engine so I presume it
will
have issues working with sympy live. Plus the point is creating
something
that is native to sympy rather than using other libraries, both
because
sympy already has a class for various data types and people use sympy
a lot
for calculations.
On Wednesday, 5 March 2014 06:36:51 UTC+5:30, Tim Lahey wrote:
Hi,
Is there integers that Sympy can't represent? The Integer class is
independent of python int. What would this module add to Sympy?
Alternatively, should it be part of Numpy instead, if it's just
numerics?
I'm just a bit unclear on what you want to do.
Cheers,
Tim.
On 4 Mar 2014, at 18:59, Ambar Mehrotra wrote:
Hi,
I am Ambar Mehrotra and undergraduate from BITS Pilani, India
pursuing
Information Systems.
I like to play with numbers and have a descent experience with
python.
I would like to suggest the addition of a 'BigInteger' module in the
sympy.core.numbers class.
Currently there is no convenient way of storing and working with
very
large
numbers in python. I came across this problem while solving a
question
of
Google Code Jam where python ran out of memory while doing a long
calculation.
I would like to take user input in form of a string and then use
algorithms
to do some basic math operations using numpy to make things faster.
Please tell me if this idea is worth considering and guide me
further
if
you like it.
with regards,
Ambar Mehrotra.
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