Handcrafted 64-bit floating point routines for AVR/arduino microprocessors.
More precision for Arduino. fp64lib is a library for implementing 64-bit floating point arithmetic on the AVR MegaAVR architecure microprocessors, like the popular Arduino series. Data format is fully compatible with IEEE 754 binary64 standard. V1.1.29 has some space optimizations and a bug fix in fp64_compare. ATTENTION: Library is only suited for boards having an AVR MegaAVR microprocessors like Arduino UNO, Nano or MEGA2560!
| Filename | Release Date | File Size |
|---|---|---|
| fp64lib-1.1.29.zip | 2026-01-20 | 240.72 KiB |
| fp64lib-1.1.28.zip | 2026-01-18 | 239.74 KiB |
| fp64lib-1.1.27.zip | 2025-11-02 | 239.76 KiB |
| fp64lib-1.1.26.zip | 2025-08-18 | 239.65 KiB |
| fp64lib-1.1.25.zip | 2025-07-07 | 234.51 KiB |
| fp64lib-1.1.24.zip | 2025-06-29 | 229.96 KiB |
| fp64lib-1.1.23.zip | 2025-06-19 | 229.76 KiB |
| fp64lib-1.1.22.zip | 2025-06-15 | 231.57 KiB |
| fp64lib-1.1.21.zip | 2025-06-12 | 218.64 KiB |
| fp64lib-1.1.20.zip | 2022-04-16 | 218.63 KiB |