On 13-11-14 04:31 PM, Leo Polansky wrote: > svn checkout http://www.admb-project.org/svn/trunk admb-trunk Yes you are right. The declaration is missing. If you put it back in as here it should work. dvector & g= (dvector&)_g; int unvar=1; fmm fmc(nvar); Way to go guys. Doesn't any body ever check this stuff?