BigDecimal is a Python class that supports decimal arithmetic on very large
integers. BigDecimal was inspired by the posting of BigDec to c.l.py by Tim
Peters. BigDecimal implements all the commonly used integer methods. (It
doesn't implement any of the binary/shifting operations.)
It has been optimized for performance. It uses a 4x4 Toom-Cook algorithm for
multiplication and a new, very fast, division algorithm. If GMPY is available,
it will be automatically used.
Performance examples, computing the decimal represendation of the 42nd Mersenne
prime:
2**25964951 - 1
Tim Peter's posting to c.l.py: 13 minutes 41 seconds
BigDecimal: 59 seconds
BigDecimal w/gmpy: 10 seconds
The first released version is availabe at http://home.comcast.net/~casevh
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