Function gsl_sys::gsl_linalg_LU_band_decomp

pub unsafe extern "C" fn gsl_linalg_LU_band_decomp(
    M: usize, 
    lb: usize, 
    ub: usize, 
    AB: *mut gsl_matrix, 
    piv: *mut gsl_vector_uint
) -> c_int

This is supported on crate feature v2_7 only.