Function gsl_sys::gsl_multifit_fdfsolver_wset

pub unsafe extern "C" fn gsl_multifit_fdfsolver_wset(
    s: *mut gsl_multifit_fdfsolver, 
    f: *mut gsl_multifit_function_fdf, 
    x: *const gsl_vector, 
    wts: *const gsl_vector
) -> c_int