spring sprint camp

We will have NZMATH spring sprint camp in March again.
We went to Hachioji seminar house last year, which we felt
boring because it is too near to the university. This time
we are planning to go to Hakone. Details are not settled,
but surely we will make some progresses on various NZMATH
modules.

random.randrange

I encountered a question why can't we use random.randrange
instead of nzmath.bigrange.

I guess the original intension was to be used with Python
2.2, since that version has the function with limited range.
It means that the big integer argument caused OverflowError
or something.

Today, I test random.randrange. It looks good enough at the
first grance. But, it isn't usable for big integers. The
returned values are rarely in the specified (virtual) range.

I filed a bug for Python:
http://sourceforge.net/tracker/?func=detail&aid=1590891&group_id=5470&atid=105470

computation of dmath.log(13)

I found a strange behavior of dmath.log.
If I set the precision to 12 (decimal.getcontext().prec=12),
dmath.log(13) returns Decimal("2.56494935746").
But, if I set the precision to 20, dmath.log(13) never halts.

Is it a bug of dmath.log, or of decimal module of Python?

dmath

Oh, I was thinking to write a module like this, a few days
ago. But, you know, NZMATH is kept to be able to run on
Python 2.3 and decimal is new to 2.4, so I was hesitating to
take an action.

dmath

It's available under MIT license. Great.

ICMS 2006

I will go to Castro-Urdiales, Spain for ICMS 2006.
NZMATH will be introduced in the first day morning session.

NZMATH is moving to Sourceforge

NZMATH is moving its web contents to Sourceforge.net.

This diary is a place for logging the development of NZMATH.
Keep on watching.