Reimplement Language Modelling weights
[xapian.git] / xapian-core / weight / collate-idf-norm
blob5cd26c5c2baf6f971b2d52bfc8d8a5229dec0431
1 #!/usr/bin/perl
2 use strict;
3 use warnings;
4 my $copyright = <<'EOF';
5 /* Copyright (C) 2020 Dipanshu Garg
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 EOF
23 use Tokeniseise;
25 my $hdr = Tokeniseise->new('weight/idf-norm-dispatch.h', 'Map string to idf normalisation code', $copyright, 'XAPIAN_INCLUDED_IDF_NORM_DISPATCH_H', 'idf_norm', 1, 'false');
26 for my $enum (qw/
27 NONE
28 TFIDF
29 SQUARE
30 FREQ
31 PROB
32 PIVOTED
33 GLOBAL_FREQ
34 LOG_GLOBAL_FREQ
35 INCREMENTED_GLOBAL_FREQ
36 SQRT_GLOBAL_FREQ /)
38 $hdr->add($enum, "static_cast<unsigned char>(Xapian::TfIdfWeight::idf_norm::$enum)");
41 $hdr->write('false', 'idf_norm_tab');