X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Frank1.c;h=f968e810c991133c717442f15262a2ccf5b778a3;hb=c63292356fbdef7b575efbf027ba8574482b0320;hp=89f845560c48eb2bd8f2b4cbc5ffaf12c8bd33d9;hpb=2b1851bd5565e3d21f9cf9a37661a584c063b75f;p=idzebra-moved-to-github.git diff --git a/index/rank1.c b/index/rank1.c index 89f8455..f968e81 100644 --- a/index/rank1.c +++ b/index/rank1.c @@ -1,35 +1,26 @@ -/* - * Copyright (C) 1998-1999, Index Data - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: rank1.c,v $ - * Revision 1.8 2002-04-04 14:14:13 adam - * Multiple registers (alpha early) - * - * Revision 1.7 2001/11/14 22:06:27 adam - * Rank-weight may be controlled via query. - * - * Revision 1.6 2000/03/15 15:00:30 adam - * First work on threaded version. - * - * Revision 1.5 1999/05/26 07:49:13 adam - * C++ compilation. - * - * Revision 1.4 1999/02/02 14:51:01 adam - * Updated WIN32 code specific sections. Changed header. - * - * Revision 1.3 1998/06/12 12:21:53 adam - * Fixed memory-leak. - * - * Revision 1.2 1998/03/05 13:03:29 adam - * Improved ranking. - * - * Revision 1.1 1998/03/05 08:45:12 adam - * New result set model and modular ranking system. Moved towards - * descent server API. System information stored as "SGML" records. - * - */ +/* $Id: rank1.c,v 1.10 2002-08-02 19:26:55 adam Exp $ + Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002 + Index Data Aps + +This file is part of the Zebra server. + +Zebra is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +Zebra is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with Zebra; see the file LICENSE.zebra. If not, write to the +Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. +*/ + + #include #include @@ -151,7 +142,7 @@ static void end (struct zebra_register *reg, void *set_handle) static void add (void *set_handle, int seqno, int term_index) { struct rank_set_info *si = (struct rank_set_info *) set_handle; - logf (LOG_DEBUG, "rank-1 add seqno=%d term_index=%d", seqno, term_index); + /*logf (LOG_DEBUG, "rank-1 add seqno=%d term_index=%d", seqno, term_index);*/ si->last_pos = seqno; si->entries[term_index].local_occur++; } @@ -167,17 +158,16 @@ static int calc (void *set_handle, int sysno) int i, lo, divisor, score = 0; struct rank_set_info *si = (struct rank_set_info *) set_handle; - logf (LOG_DEBUG, "rank-1 calc sysno=%d", sysno); - if (!si->no_rank_entries) return -1; + for (i = 0; i < si->no_entries; i++) if (si->entries[i].rank_flag && (lo = si->entries[i].local_occur)) score += (8+log2_int (lo)) * si->entries[i].global_inv * si->entries[i].rank_weight; divisor = si->no_rank_entries * (8+log2_int (si->last_pos/si->no_entries)); score = score / divisor; - yaz_log (LOG_LOG, "score=%d", score); + yaz_log (LOG_LOG, "sysno=%d score=%d", sysno, score); if (score > 1000) score = 1000; for (i = 0; i < si->no_entries; i++)