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fix rare case where stem itself was forgotten in list of possible derivatives

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This commit is contained in:
dockes 2006-04-11 07:14:28 +00:00
parent 930bdc870d
commit 20e96773e3
1 changed files with 9 additions and 1 deletions
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10
src/rcldb/rcldb.cpp
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@ -1,5 +1,5 @@
#ifndef lint #ifndef lint
static char rcsid[] = "@(#$Id: rcldb.cpp,v 1.64 2006-04-11 06:49:45 dockes Exp $ (C) 2004 J.F.Dockes"; static char rcsid[] = "@(#$Id: rcldb.cpp,v 1.65 2006-04-11 07:14:28 dockes Exp $ (C) 2004 J.F.Dockes";
#endif #endif
/* /*
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
@ -724,6 +724,7 @@ bool Db::createStemDb(const string& lang)
// Else, we add an entry to the multimap. // Else, we add an entry to the multimap.
// At the end, we only save stem-terms associations with several terms, the // At the end, we only save stem-terms associations with several terms, the
// others are not useful // others are not useful
// Note: a map<string, list<string> > would probably be more efficient
multimap<string, string> assocs; multimap<string, string> assocs;
// Statistics // Statistics
int nostem=0; // Dont even try: not-alphanum (incomplete for now) int nostem=0; // Dont even try: not-alphanum (incomplete for now)
@ -810,6 +811,13 @@ bool Db::createStemDb(const string& lang)
} else { } else {
// Changing stems // Changing stems
++stemdiff; ++stemdiff;
if (derivs.size() == 1) {
// Exactly one term stems to this. Check for the case where
// the stem itself exists as a term. The code above would not
// have inserted anything in this case.
if (m_ndb->wdb.term_exists(stem))
derivs.push_back(stem);
}
if (derivs.size() > 1) { if (derivs.size() > 1) {
// Previous stem has multiple derivatives. Enter in db // Previous stem has multiple derivatives. Enter in db
++stemmultiple; ++stemmultiple;