Listing 21 shows tee being used to save output in two files, f1 and f2.

清单21显示用于将输出保存到文件f1和f2中的tee。

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The code ensures that the types handled in function f1 are only those that are of type a or derivatives thereof.

该代码确保在函数f 1中处理的类型只能是a类型或其派生类型。

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The issue with floating point comparisons is that of precisions—f1 and result*result start differing from a couple of places after the decimal point.

浮点比较的问题在于精度 — f1 和 result*result 在小数点后面的几位不一致。

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The latest idea, backed by F1 supremo Bernie Ecclestone, is for 'knockout' qualifying divided into three stages.

BBC: Formula One is gearing up for more changes

Despite his court victory, former F1 team owner Eddie Jordan called on Mr Mosley to resign.

BBC: Mosley wins court case over orgy

It also removed the requirement for starting weights of cars to be published from F1's rules.

BBC: F1 amends in-season testing rule after Schumacher row