The Right Way to Compare Floats in Python | by David Amos

  1. The quantity has extra vital digits than floating factors enable.
  2. The quantity is irrational.
  3. The quantity is rational however has a non-terminating binary illustration.

The Decimal Kind

The Fraction Kind

  • Why floating-point numbers are imprecise
  • Why floating-point illustration error is frequent
  • Methods to accurately evaluate floating-point values in Python
  • Methods to characterize numbers exactly utilizing Python’s Fraction and Decimal sorts

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