Russ Cox • 1/19/2026

Floating-Point Printing and Parsing Can Be Simple And Fast

This article presents new, simple, and fast algorithms for printing and parsing floating-point numbers. It introduces the concept of 'fast unrounded scaling' as a foundation for implementations that outperform existing methods like Ryū and Dragonbox. The post includes a detailed explanation, a concrete Go implementation, and performance comparisons.

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#parsing #go #floating-point