The python-cdecimal package is a faster drop-in replacement for the decimal
module in Python's standard library for Python version above 2.4 and below 3.3.
It provides a complete implementation of Mike Cowlishaw/IBM's General Decimal
Since cdecimal is compatible with decimal, the official documentation is valid:
For the few remaining differences, see:
Please note: cdecimal has been integrated into CPython 3.3, where it supersedes
the pure Python version. If you need maximum decimal performance, you should
use that Python version.