pub unsafe extern "C" fn zgtsv_(
n: *const lapack_int,
nrhs: *const lapack_int,
dl: *mut lapack_complex_double,
d: *mut lapack_complex_double,
du: *mut lapack_complex_double,
b: *mut lapack_complex_double,
ldb: *const lapack_int,
info: *mut lapack_int,
)