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readme.md

Arduino CI License: MIT GitHub release

Fraction

Arduino library to implement a Fraction datatype (experimental)

Description

The fraction library implements fractional numbers a.k.a. Q, (integers are Z and floats/doubles are R), and the conversion to floats.

The code is working with a number of limitations among others:

  • denominator is max 4 digits to keep code for multiply and divide simple
  • Fractions are not exact (even floats are not exact)
  • the range of numbers supported is limited.
  • code is experimental still.

That said, the library is useful e.g. to display float numbers as a fraction. From programming point of view the fractionize function, converting a double into a fraction is a nice programming problem, fast with a minimal error.

In short, use fractions with care otherwise your sketch might get broken ;)

Operations

See examples

Use with care

The library is reasonably tested, and if problems arise please let me know.