File Coverage

blib/lib/Set/Similarity/BV/Jaccard.pm

Criterion	Covered	Total	%
statement	13	13	100.0
branch			n/a
condition			n/a
subroutine	4	4	100.0
pod	1	1	100.0
total	18	18	100.0

package Set::Similarity::BV::Jaccard;

use strict;
use warnings;

use parent 'Set::Similarity::BV';

our $VERSION = '0.06';

sub from_integers {
  my ($self, $v1, $v2) = @_;

  my $intersection = $self->intersection($v1,$v2);
  my $union = $self->combined_length($v1,$v2) - $intersection;
  # ( A intersect B ) / (A union B)
  return ($intersection / $union);
}

1;

__END__