Thanks for the clarification Roger, I guess it looks like I will need to modify the compiler settings locally then.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Roger Binns Sent: Tuesday, August 26, 2008 5:00 PM To: General Discussion of SQLite Database Subject: Re: [sqlite] GCC -ffast-math safe version of sqlite3IsNaN -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Brown, Daniel wrote: > In the process of upgrading to 3.6.1 I've run into the error on line 46 > of util.c about int sqlite3IsNaN(double x) not behaving consistently > with the GCC -ffast-math compiler option (which we have enabled), is > there any alternative function I could use that would be compatible with > GCC -ffast-math? Removing the -ffast-math option from our projects > would be highly undesirable for us, as performance is paramount. If you don't use any floating point with SQLite then just remove the #error. However if you do use floating point with SQLite then you can't use fast math. See the following tickets which show a variety of problematic behaviour with -ffast-math: http://www.sqlite.org/cvstrac/tktview?tn=3101 http://www.sqlite.org/cvstrac/tktview?tn=3186 http://www.sqlite.org/cvstrac/tktview?tn=3194 http://www.sqlite.org/cvstrac/tktview?tn=3202 Roger -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFItJj7mOOfHg372QQRAlXDAJ9n+/Xe1E/1DszYXxCcVPjb+pxHOwCfcB5J XkV7LD9lbEv59oK9WS+r174= =8d1g -----END PGP SIGNATURE----- _______________________________________________ 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
