When I tried reproducing this behavior on a Red Hat box, the 3.5.9 version gave the expected results, so I guess it is a Debian unstable specific issue.
Tom Tom Epperly wrote: > I reported this to Debian here: > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=488864 > It seems like an upstream sqlite3 issue. I downloaded > http://www.sqlite.org/sqlite-amalgamation-3.5.9.tar.gz > > /tmp/sqlite-amalgamation-3.5.9]> ./configure --disable-shared > /tmp/sqlite-amalgamation-3.5.9]> make > /tmp/sqlite-amalgamation-3.5.9]>./sqlite3 > SQLite version 3.5.9 > Enter ".help" for instructions > sqlite> select 1.0/1.0; > 1.0 > sqlite> select 1.0/2.0; > 0.5 > sqlite> select 1.0/3.0; > > sqlite> select 1.0/4.0; > 0.25 > sqlite> select 1.0/5.0; > > sqlite> select 1.0/6.0; > > sqlite> select 1.0/7.0; > > sqlite> select 1.0/8.0; > 0.125 > sqlite> select 1.0/9.0; > > sqlite> select 1.0/16.0; > 0.0625 > > It seems that division only works for perfect powers of 2. Older > versions of sqlite didn't have this behavior: > > /tmp/sqlite-amalgamation-3.5.9]>/usr/bin/sqlite > SQLite version 2.8.17 > Enter ".help" for instructions > sqlite> select 1.0/1.0; > 1 > sqlite> select 1.0/2.0; > 0.5 > sqlite> select 1.0/3.0; > 0.333333333333333 > sqlite> select 1.0/4.0; > 0.25 > sqlite> select 1.0/5.0; > 0.2 > sqlite> select 1.0/6.0; > 0.166666666666667 > sqlite> select 1.0/7.0; > 0.142857142857143 > sqlite> select 1.0/8.0; > 0.125 > sqlite> select 1.0/9.10; > 0.10989010989011 > sqlite> select 1.0/16.0; > 0.0625 > sqlite> > > I have a program that's expecting the SQLite 2.8.17 behavior. Is this > 3.5.9 behavior considered correct now? > > Regards, > > Tom > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
