Float on rustbiteshttps://www.rustbites.com/tags/float/Recent content in Float on rustbitesHugoenWed, 08 Apr 2026 12:55:25 +020068. f64::next_up — Walk the Floating Point Number Linehttps://www.rustbites.com/posts/bite-068/Wed, 08 Apr 2026 09:00:00 +0100https://www.rustbites.com/posts/bite-068/<p>Ever wondered what the <em>next</em> representable floating point number after <code>1.0</code> is? Since Rust 1.86, <code>f64::next_up</code> and <code>f64::next_down</code> let you step through the number line one float at a time.</p>