Changes in version 0.9.2 (2020-11-04) - Removed obsolete CXX_STD = CXX11 to allow Armadillo 15.0.x migration (#12). Thanks to Dirk Eddelbuettel for facilitating a smooth migration. Changes in version 0.9.1 (2018-04-23) - Approximate values in M matrix are replaced with analytically obtained values (#9). Relevant code is reorganized. - Bounds for Davidian curve parameters are removed. Thanks to R. Philip Chalmers for suggestions on this point. Changes in version 0.9.0 (2018-04-05) - Initial release. - Thanks to Carol M. Woods for kindly answering my questions prior to this release.