File Coverage

blib/lib/Bag/Similarity/Overlap.pm

Criterion	Covered	Total	%
statement	11	11	100.0
branch			n/a
condition			n/a
subroutine	4	4	100.0
pod	1	1	100.0
total	16	16	100.0

package Bag::Similarity::Overlap;

use strict;
use warnings;

use parent 'Bag::Similarity';

our $VERSION = '0.020';

sub from_bags {
  my ($self, $set1, $set2) = @_;

  # ( A intersect B ) / min(A,B)
  return (
    $self->intersection($set1,$set2) / $self->min($set1,$set2)
  );
}

1;

__END__