pub unsafe extern fn sgghrd_(compq: *const c_char,
compz: *const c_char,
n: *const lapack_int,
ilo: *const lapack_int,
ihi: *const lapack_int,
a: *mut c_float,
lda: *const lapack_int,
b: *mut c_float,
ldb: *const lapack_int,
q: *mut c_float,
ldq: *const lapack_int,
z: *mut c_float,
ldz: *const lapack_int,
info: *mut lapack_int)