On Fri, 6 Dec 2019 18:12:28 +0100 Patrick Dupre wrote: > out = conhyp_ (&a, &b, &z, &lnchf, &ip) ; I don't know what "out" is, but if the return type of a fortran function is some struct-like object (which complex might qualify as), I believe there is a hidden first argument that is a pointer to the place where the function stores the result (on the other hand, I've delved into so many function argument details while supporting my debugger, I may be remember some completely different language conventions :-). _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx