> James Keeline wrote: > > >$Hdg=2*M_PI-acos((sin($lat2)-sin($lat1)*cos($miles))/(sin($miles)*cos($lat1))); > > > > > >Also, you have this item: > > > > 2*M_PI > > > >Have you defined a constant called M_PI or do you expect it to be a > variable?
--- Jamey Saunders <[EMAIL PROTECTED]> wrote: > I've done a degrees to radians conversion before running the expression, > and a radians to degrees conversion afterwards, and I'm getting no more > errors. I'm not getting the correct answer, but it's progress. > > It's not a Google Maps app right now, rather just a quick > proof-of-concept thing. (Proof that I can do it!) It may morph into > one in the future...:) > > Thanks, > JS Is M_PI defined as a constant or is it supposed to be a variable? Without a dollar sign, PHP thinks it is a constant. James _____ James D. Keeline http://www.Keeline.com http://www.Keeline.com/articles http://Stratemeyer.org http://www.Keeline.com/TSCollection http://www.ITeachPHP.com -- Free Computer Classes: Linux, PHP, etc. Fall Semester Begins Sep 7 -- New Classes Start Every Few Weeks. ------------------------ Yahoo! Groups Sponsor --------------------~--> Fair play? Video games influencing politics. Click and talk back! http://us.click.yahoo.com/T8sf5C/tzNLAA/TtwFAA/HKFolB/TM --------------------------------------------------------------------~-> Community email addresses: Post message: [email protected] Subscribe: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] List owner: [EMAIL PROTECTED] Shortcut URL to this page: http://groups.yahoo.com/group/php-list Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/php-list/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
