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51CTO
29 天
为什么 0.1 + 0.2不等于0.3?浮点数在计算机中是如何存储的?
本文讲解了定点数和浮点数,重点分析了浮点数以及IEEE 754标准下浮点数是如何存储的。 为什么 0.1 + 0.2 不等于 0.3?这篇文章,我们将通过这个示例来分析浮点数在计算机中是如何存储的? 定点数,比较简单,从字面上理解为小数点固定的数。比如,100,3.14 ...
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