File Coverage

blib/lib/LucyX/Index/LongFieldSim.pm

Criterion	Covered	Total	%
statement	12	12	100.0
branch	1	2	50.0
condition			n/a
subroutine	4	4	100.0
pod	1	1	100.0
total	18	19	94.7

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

use strict;
use warnings;

package LucyX::Index::LongFieldSim;
use base qw( Lucy::Index::Similarity );
our $VERSION = '0.006000_001';
$VERSION = eval $VERSION;

sub length_norm {
    my ( $self, $num_tokens ) = @_;
    $num_tokens = $num_tokens < 100 ? 100 : $num_tokens;
    return 1 / sqrt($num_tokens);
}

1;

__END__