WebTruncate floating point number to integer, in Perl This language bar is your friend. Select your favorite languages! Perl Idiom #80 Truncate floating point number to integer Declare integer y and initialize it with the value of floating point number x . … WebSie können entweder ein Modul wie Math :: Round verwenden : use Math::Round; my $rounded = round( $float ); Oder Sie können es auf grobe Weise tun: my $rounded = sprintf "%.0f", $float; — EvdB quelle 46 Wenn Sie sich für printf oder sprintf entscheiden, beachten Sie, dass die Methode Round Round to Even verwendet wird.
Perl Math Round :: Anaconda.org
WebMath::Round 提供了以不同方式对数字进行舍入的函数。. 默认导入 round 和 nearest 的函数；其它8个操作符的使用必须使用所述" use Math::Round qw (:all); " 导入所有函数才可以使用。. 所有操作符,根据标量上下文返回标量值,根据列表上下文返回列表值,也就是可以对标量与 … magic mystery booster cards
perl - How to round decimal place up? - Stack Overflow
WebIt's almost always best to leave the numbers unrounded until output, and then, if you don't like Perl's default rounding, use printf or sprintf yourself with a format that makes the rounding explicit. The %f, %e , and %g formats all let you specify how many decimal places to round their argument to. WebIt says, take your number and look at the third digit after the decimal. point. If it is 5, change it to 6 and then put it back into your number. variable. That way I know Perl will round it up for me when using the print. format function. I wrote it and tested it, but would like some feedback. from the Perl community. Web22. apr 2024 · Sorted by: 3. You can use the ceil function from the core POSIX module to round up to the next integer. Factor your value by a power of ten before and after the … magic mystery crate