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Secret Recipes of the Python Ninja
book

Secret Recipes of the Python Ninja

by Cody Jackson
May 2018
Intermediate to advanced content levelIntermediate to advanced
380 pages
9h 37m
English
Packt Publishing
Content preview from Secret Recipes of the Python Ninja

Improving decimal numbers

Python's built-in decimal module provides improved support for fast, precise floating point calculations. Normal float types are based on binary objects; decimal floats are completely different. Specifically, it improves on the normal float type by doing the following:

  • Operating like people learned in school, rather than forcing people to conform to a new arithmetic paradigm.
  • Representing decimal values exactly, rather than having results such as the following:
  • Ensuring the exactness of decimal values is carried through calculations, preventing rounding errors from compounding.

  • Accounting for significant digits, ...
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Publisher Resources

ISBN: 9781788294874Supplemental Content