diff options
| author | unknown <serg@serg.mysql.com> | 2002-10-18 14:53:46 +0000 |
|---|---|---|
| committer | unknown <serg@serg.mysql.com> | 2002-10-18 14:53:46 +0000 |
| commit | 5ab1dbf5679c74814dd8ba61e9b946e4af920f1e (patch) | |
| tree | d7b0288c090522f988411ef11d574f27b9b249b4 /myisam/ftdefs.h | |
| parent | 320d4912f4e6318d7ac080692ed780b6f1557e54 (diff) | |
| download | mariadb-git-5ab1dbf5679c74814dd8ba61e9b946e4af920f1e.tar.gz | |
some DBUG_ENTER/RETURN macro added
safer GWS_PROB, avoid log(0)
myisam/ft_nlq_search.c:
some DBUG_ENTER/RETURN macro added
myisam/ft_parser.c:
some DBUG_ENTER/RETURN macro added
myisam/ftdefs.h:
safer GWS_PROB, avoid log(0).
sql/item_func.cc:
some DBUG_ENTER/RETURN macro added
Diffstat (limited to 'myisam/ftdefs.h')
| -rw-r--r-- | myisam/ftdefs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/myisam/ftdefs.h b/myisam/ftdefs.h index a1352a13150..62fa4362e19 100644 --- a/myisam/ftdefs.h +++ b/myisam/ftdefs.h @@ -78,7 +78,7 @@ extern ulong collstat; /* Mysterious, but w/o (double) GWS_IDF performs better :-o */ #define GWS_IDF log(aio->info->state->records/doc_cnt) #define GWS_IDF1 log((double)aio->info->state->records/doc_cnt) -#define GWS_PROB log(((double)(aio->info->state->records-doc_cnt))/doc_cnt) +#define GWS_PROB ((aio->info->state->records > doc_cnt) ? log(((double)(aio->info->state->records-doc_cnt))/doc_cnt) : 0 ) #define GWS_FREQ (1.0/doc_cnt) #define GWS_SQUARED pow(log((double)aio->info->state->records/doc_cnt),2) #define GWS_CUBIC pow(log((double)aio->info->state->records/doc_cnt),3) |