Make Jacobian types offered by dlsode.f accessible by lsode (bug #31626). * liboctave/numeric/LSODE-opts.in: Add options "jacobian type", "lower jacobian subdiagonals", and "upper jacobian subdiagonals". * liboctave/numeric/LSODE.cc (file scope, lsode_j, LSODE::do_integrate (double)): Handle new configurable Jacobian types. * build-aux/mk-opts.pl: Don't implicitly convert to integer in condition.

%!shared obj
%! obj = sub_bug47680 ("foo");
%!assert <*47680> (obj.meth1 (), "foo:super:meth1:sub:meth1")
%!assert <*47680> (obj.meth2 (), "foo:super:meth2:sub:meth2")
%!assert <*47680> (obj.meth3 (), "foo:super:meth3:sub:meth3")
%!assert <*47680> (obj.meth4 (), "foo:super:meth4:sub:meth4")