Gotcha. (What is Koenig lookup?) Just has to insert line:
cxsc::interval cxsc::operator+(const cxsc::interval&, const cxsc::interval&) throw() ; before main(). Explanation here: http://h21007.www2.hp.com/portal/site/dspp/menuitem.863c3e4cbcdc3f3515b49c108973a801?ciid=a908852bcbe02110852bcbe02110275d6e10RCRD http://womble.decadentplace.org.uk/c++/syntax-errors.html _______________________________________________ help-gplusplus mailing list help-gplusplus@gnu.org http://lists.gnu.org/mailman/listinfo/help-gplusplus
