pub unsafe extern "C" fn dgehrd_(
n: *const lapack_int,
ilo: *const lapack_int,
ihi: *const lapack_int,
a: *mut c_double,
lda: *const lapack_int,
tau: *mut c_double,
work: *mut c_double,
lwork: *const lapack_int,
info: *mut lapack_int,
)