pub unsafe extern fn LAPACKE_zgtrfs(matrix_layout: c_int,
trans: c_char,
n: lapack_int,
nrhs: lapack_int,
dl: *const lapack_complex_double,
d: *const lapack_complex_double,
du: *const lapack_complex_double,
dlf: *const lapack_complex_double,
df: *const lapack_complex_double,
duf: *const lapack_complex_double,
du2: *const lapack_complex_double,
ipiv: *const lapack_int,
b: *const lapack_complex_double,
ldb: lapack_int,
x: *mut lapack_complex_double,
ldx: lapack_int,
ferr: *mut c_double,
berr: *mut c_double)
-> lapack_int