Beefy Boxes and Bandwidth Generously Provided by pair Networks
P is for Practical
 
PerlMonks  

Answer: How do I round up a number?

( #66949=categorized answer: print w/ replies, xml ) Need Help??

Q&A > math > How do I round up a number? - Answer contributed by Anonymous Monk

Use the POSIX module:
use POSIX qw(ceil); print ceil(3.5); # prints 4 print ceil(4); # also prints 4
or, you can use this function:
sub roundup { my $n = shift; return(($n == int($n)) ? $n : int($n + 1)) }

Replies are listed 'Best First'.
Re: Answer: How do I round up a number?
by I0 (Priest) on Mar 25, 2001 at 15:31 UTC
    roundup(-1.5) is wrong
    Log In?
    Username:
    Password:

    What's my password?
    Create A New User
    Chatterbox?
    and the web crawler heard nothing...

    How do I use this? | Other CB clients
    Other Users?
    Others examining the Monastery: (11)
    As of 2016-07-26 17:55 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?
      What is your favorite alternate name for a (specific) keyboard key?


















      Results (239 votes). Check out past polls.