An interesting way to do it. But expensive in memory and time for large ranges. Consider:

my @range = ( -1_000_000 .. 1_000_000 );
my $random_number = $range[rand(@range)];

[download]

which takes about 1/2 a second and has about a 100 MB dynamic memory requirement.

DWIM is Perl's answer to Gödel

In reply to Re^2: random number with range by GrandFather
in thread random number with range by Anonymous Monk

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