use POSIX;
$ceil = ceil(3.5); # 4
$floor = floor(3.5); # 3
Reference: http://stackoverflow.com/questions/178539/how-do-you-round-a- floating-point-number-in-perl
$ceil = ceil(3.5); # 4
$floor = floor(3.5); # 3
Reference: http://stackoverflow.com/questions/178539/how-do-you-round-a- floating-point-number-in-perl
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