算法IEEE 754双转换成字符串？ [英] Algorithm to convert an IEEE 754 double to a string?

问题描述

许多编程语言提供的库函数对那些双打转换为字符串。例如，C有的sprintf ，C ++有字符串流，Java有 Double.toString 等。

Many programming languages that use IEEE 754 doubles provide a library function to convert those doubles to strings. For example, C has sprintf, C++ has stringstream, Java has Double.toString, etc.

在内部，如何这些功能的实现？也就是说，什么样的算法（S）他们是否使用转换双成字符串再presentation，因为他们往往​​受到程序员选择precision限制？

Internally, how are these functions implemented? That is, what algorithm(s) are they using to convert the double into a string representation, given that they are often subject to programmer-chosen precision limitations?

谢谢！

推荐答案

我相信你正在寻找的印刷浮点数快速，准确地

我发现了另外一个帖子，链接：<一href="http://stackoverflow.com/questions/2480790/exact-textual-re$p$psentation-of-an-ieee-double">here.

I found that link on another post: here.

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