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# Licensed to the Apache Software Foundation (ASF) under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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1202
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use strict; |
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use warnings; |
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package LucyX::Index::LongFieldSim; |
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use base qw( Lucy::Index::Similarity ); |
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our $VERSION = '0.006000_002'; |
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$VERSION = eval $VERSION; |
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sub length_norm { |
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1
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161
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my ( $self, $num_tokens ) = @_; |
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$num_tokens = $num_tokens < 100 ? 100 : $num_tokens; |
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return 1 / sqrt($num_tokens); |
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} |
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1; |
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__END__ |