integer - Perl pragma to compute arithmetic in integer instead of double
use integer;
$x = 10/3;
# $x is now 3, not 3.33333333333333333
This tells the compiler that it's okay to use integer operations from here
to the end of the enclosing BLOCK. On many machines, this doesn't matter a
great deal for most computations, but on those without floating point
hardware, it can make a big difference.
See Pragmatic Modules.
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