On Sun, Feb 1, 2015 at 2:07 AM, Simon Slavin <slav...@bigfraud.org> wrote:
> So, having established that NaN and -0 do not make the round trip from a C > variable through a database and back into a C variable ... at least I think > we have ... > If you're assuming C89 (which sqlite3 is, by and large), it's a technical fact that there is no standard representation of either negative zero, NaN, or Infinity. Any such support would be non-C-standard. > Because there's nothing in the SQLite documentation that says it can store > values like NaN or -0.0. The documentation just says it can store > numbers. It should be possible to find out when the distinction between > 0.0 and -0.0 gets lost. > sqlite's platform (C89) doesn't natively support it, so if it's there then sqlite3 is either supporting it itself (custom code) or is relying on C99-specific APIs (which, to the best of my (fallible) knowledge, it does not do). -- ----- stephan beal http://wanderinghorse.net/home/stephan/ http://gplus.to/sgbeal "Freedom is sloppy. But since tyranny's the only guaranteed byproduct of those who insist on a perfect world, freedom will have to do." -- Bigby Wolf _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
