Unverified50% confidenceFactExact time
Early standard library implementations such as sprintf used a conservative strategy of directly outputting a sufficient number of digits to guarantee precision, which was both verbose and slow.
1
Sources
50%
Confidence
Long-term
Relevance
8/14/2026
First Seen
Sources
浮点数转字符串：你从未听说过的极速算法解析
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