The cppad-doc package installs the XML documentation for cppad-devel in
/usr/share/doc/cppad
Links to an HTML version of the cppad documentation, for the most recent
version of cppad, can be found at the web site
http://www.coin-or.org/CppAD/
In addition, printable versions of the documentation,
as a single web page, in both HTML and XML, can be found at that web site.