十进制与双倍！- 我应该使用哪一个以及何时使用?

decimal vs double! - Which one should I use and when?(十进制与双倍！- 我应该使用哪一个以及何时使用?)

问题描述

I keep seeing people using doubles in C#. I know I read somewhere that doubles sometimes lose precision. My question is when should a use a double and when should I use a decimal type? Which type is suitable for money computations? (ie. greater than $100 million)

For money, always decimal. It's why it was created.

If numbers must add up correctly or balance, use decimal. This includes any financial storage or calculations, scores, or other numbers that people might do by hand.

If the exact value of numbers is not important, use double for speed. This includes graphics, physics or other physical sciences computations where there is already a "number of significant digits".

这篇关于十进制与双倍！- 我应该使用哪一个以及何时使用?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持编程学习网！