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最好完全避免使用浮点数比较。
It would be best to try to avoid floating point comparison entirely.
youdao
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可以看到，对于比较小的2的幂次方，浮点数是非常精确的。
As you can see, floats are pretty accurate for small powers of two.
youdao
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可以看到，对于比较小的2的幂次方，浮点数是非常精确的。
As you can see, floats are pretty accurate for small powers of two.
youdao