pub unsafe extern fn dbbcsd_(jobu1: *const c_char,
jobu2: *const c_char,
jobv1t: *const c_char,
jobv2t: *const c_char,
trans: *const c_char,
m: *const lapack_int,
p: *const lapack_int,
q: *const lapack_int,
theta: *mut c_double,
phi: *mut c_double,
u1: *mut c_double,
ldu1: *const lapack_int,
u2: *mut c_double,
ldu2: *const lapack_int,
v1t: *mut c_double,
ldv1t: *const lapack_int,
v2t: *mut c_double,
ldv2t: *const lapack_int,
b11d: *mut c_double,
b11e: *mut c_double,
b12d: *mut c_double,
b12e: *mut c_double,
b21d: *mut c_double,
b21e: *mut c_double,
b22d: *mut c_double,
b22e: *mut c_double,
work: *mut c_double,
lwork: *const lapack_int,
info: *mut lapack_int)