php-geospatial/geospatial — pull request #6 by natmchugh (2013-10-04 22:58:11+00:00)
Title: Vincenty

Been meaning to send in this for a while. Implemented vincenty inverse problem. Based it on http://en.wikipedia.org/wiki/Vincenty's_formulae and http://www.movable-type.co.uk/scripts/latlong-vincenty.html. Test case from http://www.ga.gov.au/geodesy/datums/vincenty_inverse.jsp.