Dev Radar
Support
LiveUpdated 2026-09-19 21:10 UTC

fast_float

fast_float — In release 8.0.0, we support float16_t and bfloat16_t (thanks @dalle). We have…

fast_float is In release 8.0.0, we support float16_t and bfloat16_t (thanks @dalle). We have reasonable testing and our code is based on an implementation publicly available since GCC 13 (thanks @jakubjelinek fo.... It is ranked #511 on the Dev Radar, in Languages & runtimes, first seen 4 days ago and shared in 1 post (8.3k views).

Visit github.com

Ensure that std::float16_t/std::bfloat16_t support is exact · Issue #300 · fastfloat/fast_float · GitHub Skip to content Navigation Menu Sign in Appearance settings Search / Sign in Sign up Appearance settings You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert {{ message }} fastfloat / fast_float Public Notifications You must be signed in to change notification settings Fork 195 Star 2.1k Ensure that std::float16_t/std::bfloat16_t support is exact #300…

What people said about fast_float on X

If anyone wants a nice side project... The fast number parsing fast_float (part of GCC, and other important systems like MySQL) is not always exact when dealing with 16-bit float parsing (specifically float16_t). That is, some number strings can lie in between two numbers and the rounding is wrong. In fact, nobody…

@lemire, 4 days ago · 150 likes · see the post

Alternatives to fast_float

fast_float in numbers

FAQ

What is fast_float?

In release 8.0.0, we support float16_t and bfloat16_t (thanks @dalle). We have reasonable testing and our code is based on an implementation publicly available since GCC 13 (thanks @jakubjelinek fo... It was first shared on X 4 days ago and is ranked #511 on the Dev Radar.

Is fast_float free?

It is open source.

Who shared fast_float?

1 account on X, including @lemire, in 1 post totalling 8.3k views.

Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 14.4k posts from 4.7k X accounts over the last 21 days, 1.6k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 21:10 UTC. Full method.