.. though it's important to remember that simply casting a float to an int, thus:

my $float = 2.744;
my $int   = int $float;
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results in the decimal part of the number simply being truncated, giving an integer value with the above example of 2, not 3, which is possibly not what's expected.

Update: Although, of course, adding the 0.5 to the number solves the problem nicely. Didn't see that in the post until just now ..