add_sources(chaco Tevec.c bidir.c bisect.c checkeig.c checkeig_ext.c checkorth.c cksturmcnt.c eigensolve.c get_extval.c get_ritzvals.c lanc_seconds.c lanczos_FO.c lanczos_SO.c lanczos_SO_float.c lanczos_ext.c lanczos_ext_float.c lanpause.c makeorthlnk.c mkeigvecs.c mkscanlist.c orthog1.c orthogonalize.c orthogvec.c ql.c rqi.c rqi_ext.c scale_diag.c scanmax.c scanmin.c solistout.c sorthog.c splarax.c sturmcnt.c tri_solve.c warnings.c)