round-off

常见例句

Mathematically precise calculations can be thrown severely askew by small round-off errors caused by finite-precision floating-point numbers.
由有限精度浮点数字引起的很小的舍入错误就会严重歪曲数学精度计算。
However, for negative values of x, roughly -4 and lower, the algorithm used to calculate Math.exp() is relatively ill-behaved and subject to round-off error.
不过，对于负值的 x，一般是 -4 以下的数字，用于计算 Math.exp()的算法表现很差，并且容易出现舍入错误。
While often better than no test at all, this is a terrible kind of test, because alongside the things that actually matter, it also tests a million irrelevant details (like floating point round-off).
通常这样做比没有好，但绝对是一个糟糕的测试，因为除了真正起作用的东西外，也测试了许许多多无关的细节（如浮点舍入误差）。

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