pub unsafe extern fn cuncsd2by1_(jobu1: *const c_char,
jobu2: *const c_char,
jobv1t: *const c_char,
m: *const lapack_int,
p: *const lapack_int,
q: *const lapack_int,
x11: *mut lapack_complex_float,
ldx11: *const lapack_int,
x21: *mut lapack_complex_float,
ldx21: *const lapack_int,
theta: *mut lapack_complex_float,
u1: *mut lapack_complex_float,
ldu1: *const lapack_int,
u2: *mut lapack_complex_float,
ldu2: *const lapack_int,
v1t: *mut lapack_complex_float,
ldv1t: *const lapack_int,
work: *mut lapack_complex_float,
lwork: *const lapack_int,
rwork: *mut c_float,
lrwork: *const lapack_int,
iwork: *mut lapack_int,
info: *mut lapack_int)