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Handcrafted 64-bit floating point routines for AVR/arduino microprocessors

  • About
  • Examples
    • double vs. float
    • Leibniz Series, calculating PI/4
    • Double, a C++ wrapper class
    • Julien Date
  • Documentation
    • fp64lib Library reference (A-Z)
    • fp64lib Library reference by functions
    • Using fp64lib with long double
    • fp64lib design principles
    • Benchmarks
    • Side-to-side comparision
    • History of fp64lib
    • Credits
  • Download
  • FAQ
fp64lib.org

Month: June 2025

V1.1.23 fixes bug in Double demo program

There were some small errors in the Double demo program, using the wrapper class. These were fixed with V1.1.23.

Author UwePosted on June 19, 2025Categories Uncategorized

V1.1.22 More examples & Double wrapper class

Based on some posts on various arduino platforms, it seems that especially programming beginners have had some difficulties in using fp64lib. In order to ease entry into fp64lib, the Examples section of the homepage was overhauled, existing examples were updated and new examples were added, including a wrapper class called Double.

Author UwePosted on June 15, 2025Categories Uncategorized

V1.1.21 fixes some bugs

Issues #16 (wrong value from fp64_log2) and #18 (wrong values from fp64_uint16_to_float64) were fixed.

Author UwePosted on June 15, 2025Categories Uncategorized

Recent Posts

  • V1.1.23 fixes bug in Double demo program
  • V1.1.22 More examples & Double wrapper class
  • V1.1.21 fixes some bugs
  • Homepage updated
  • V1.1.20 new function for better math.h coverage

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Categories

  • conversion
  • functions
  • Uncategorized
  • About
  • Examples
    • double vs. float
    • Leibniz Series, calculating PI/4
    • Double, a C++ wrapper class
    • Julien Date
  • Documentation
    • fp64lib Library reference (A-Z)
    • fp64lib Library reference by functions
    • Using fp64lib with long double
    • fp64lib design principles
    • Benchmarks
    • Side-to-side comparision
    • History of fp64lib
    • Credits
  • Download
  • FAQ
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