More accurate sum

More accurate sum 1.2

More accurate sum 1.2 Download Summary

  • Language: Python
  • Platform: Windows / Linux / Mac OS / BSD / Solaris
  • License: Other Free / Open Source License - Python License
  • Databases: N/A
  • Downloads: 422
  • Released: Jun 7, 2007

More accurate sum 1.2 Description

Built-in "sum" function, as well as add.reduce functions in Numeric/numarray introduce a large error when summing large arrays of like elements.

This script contains a function that makes sums with error less than 1e-15. It doesn't use any additional memory (although it destroys the data array), and also runs asymptotically faster for unlimited precision numbeuns asympr />

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