Unverified50% confidenceFactExact time
传统的 sprintf 和 std::to_string 等函数格式化浮点数时需要查询当前线程的 locale 设置，涉及全局状态访问，多线程环境下可能需要同步机制
1
Sources
50%
Confidence
Long-term
Relevance
8/15/2026
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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