pub unsafe extern fn dggesx_(jobvsl: *const c_char,
jobvsr: *const c_char,
sort: *const c_char,
selctg: LAPACK_D_SELECT3,
sense: *const c_char,
n: *const lapack_int,
a: *mut c_double,
lda: *const lapack_int,
b: *mut c_double,
ldb: *const lapack_int,
sdim: *mut lapack_int,
alphar: *mut c_double,
alphai: *mut c_double,
beta: *mut c_double,
vsl: *mut c_double,
ldvsl: *const lapack_int,
vsr: *mut c_double,
ldvsr: *const lapack_int,
rconde: *mut c_double,
rcondv: *mut c_double,
work: *mut c_double,
lwork: *const lapack_int,
iwork: *mut lapack_int,
liwork: *const lapack_int,
bwork: *mut lapack_logical,
info: *mut lapack_int)