BigInteger相当于Swift？ [英] BigInteger equivalent in Swift?

问题描述

在Swift中是否有与Java的BigInteger类相同的东西？我想在Swift中进行大型计算，正整数大于UInt64的最大数。处理这些数字的最佳方法是什么？

Is there an equivalent to Java's BigInteger class in Swift? I am tying to do large calculations in Swift with positive integers larger than UInt64's maximum number. What is the best way to handle these numbers?

推荐答案

您可以使用 NSDecimalNumber 类。它不是无限精度，但它可以表示38个十进制数字的精度，这可能足以满足您的需要。

You can use the NSDecimalNumber class from Cocoa. It is not infinite precision, but it can represent 38 decimal digits of precision, which may be enough for what you need.

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