MAN page from Old RedHat 5.X perl-5.004-4.i386.rpm

integer

Section: Perl Programmers Reference Guide (3)
Updated: perl 5.004, patch 04
Index

NAME

integer - Perl pragma to compute arithmetic in integer instead of double

SYNOPSIS

    use integer;    $x = 10/3;    # $x is now 3, not 3.33333333333333333

DESCRIPTION

This tells the compiler that it's okay to use integer operationsfrom 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 the section on Pragmatic Modules in the perlmod manpage.

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