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changeset 556:4d6e2ac4de7a multiprobeLSH

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INDEXING: fixed reverse-lookup roundoff error when data gets very large. Computation of offset was lacking an essential cast to off_t.
author mas01mc
date Fri, 20 Feb 2009 19:03:17 +0000
parents fde17c61e797
children 18b3d4c9e93d
files audioDB-internals.h
diffstat 1 files changed, 1 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/audioDB-internals.h	Fri Feb 13 11:24:39 2009 +0000
+++ b/audioDB-internals.h	Fri Feb 20 19:03:17 2009 +0000
@@ -284,7 +284,7 @@
 }
 
 static inline uint32_t audiodb_index_to_track_id(adb_t *adb, uint32_t lshid){
-  off_t offset = lshid*adb->header->dim*sizeof(double);
+  off_t offset = (off_t)lshid*adb->header->dim*sizeof(double);
   std::vector<off_t>::iterator b = (*adb->track_offsets).begin();
   std::vector<off_t>::iterator e = (*adb->track_offsets).end();  
   std::vector<off_t>::iterator p = std::upper_bound(b, e, offset);