Function gsl_sys::gsl_multifit_fdfridge_set2

pub unsafe extern "C" fn gsl_multifit_fdfridge_set2(
    w: *mut gsl_multifit_fdfridge, 
    f: *mut gsl_multifit_function_fdf, 
    x: *const gsl_vector, 
    lambda: *const gsl_vector
) -> c_int