Look again, it does add the return value ("shifted-integer" for ash).-- Martin Simmons LispWorks Ltd http://www.lispworks.com/ >>>>> On Mon, 10 Mar 2014 13:39:17 -0700 (PDT), Joeish W said: > > So CLHS doesn't add the return value to its declaration....so I guess its > okay not to...Does anybody ever do it I mean would it be weird if I did it > and if not what would be syntax pertaining to the code in my post > > > > > On Monday, March 10, 2014 1:09 PM, Martin Simmons <mar...@lispworks.com> > wrote: > > >See http://www.lispworks.com/documentation/HyperSpec/Body/f_ash.htm > > > >for an example of how CLHS uses the "Syntax" and "Arguments and Values" > >sections to describe functions. > > > >-- > >Martin Simmons > >LispWorks Ltd > >http://www.lispworks.com/ > > > > > > > > > >>>>>> On Sun, 9 Mar 2014 00:46:33 -0800 (PST), Joeish W said: > >> > >> Here is my defcfun as I normally write it, > >> > >> ;; Size Mat::size() const > >> ;; Size* cv_Mat_size(Mat* self) > >> (defcfun ("cv_Mat_size" mat-size) (:pointer size) > >> (self (:pointer mat))) > >> > >> > >> the > >> > >> > >> ;; Size Mat::size() const > >> > >> > >> is the C++ function declaration with a Size return value > >> > >> > >> The ;; Size* cv_Mat_size(Mat* self) is the C wrapper function declaration > >> with a Size* return value > >> > >> > >> This is my defcfun with a (:pointer size) return value > >> > >> (defcfun ("cv_Mat_size" mat-size) (:pointer size) > >> (self (:pointer mat))) > >> > >> In my Documentation for this function I list the Common Lisp function > >> declaration as > >> > >> (MAT-SIZE (SELF (:POINTER MAT))) > >> > >> > >> I couldn't figure out if I should add a return value > >> > >> > >> but in C++ the return value always goes up front i/e ;; Size Mat::size() > >> const > >> > >> Is it common to put return values on Lisp/CFFI function declarations and > >> if so where > >> > >> > >> in this declaration (MAT-SIZE (SELF (:POINTER MAT))) should I put mine > >> > >> btw on the CLHS I didn't see or missed return values on any function > >> declaration > >> > >> Thanks in advance for any takers=) > >> > >> Good Day. > > > > > > > > >
