Function gsl_sys::gsl_multifit_linear_applyW

pub unsafe extern "C" fn gsl_multifit_linear_applyW(
    X: *const gsl_matrix, 
    w: *const gsl_vector, 
    y: *const gsl_vector, 
    WX: *mut gsl_matrix, 
    Wy: *mut gsl_vector
) -> c_int