pub unsafe extern "C" fn dspgv_(
itype: *const lapack_int,
jobz: *const c_char,
uplo: *const c_char,
n: *const lapack_int,
AP: *mut f64,
BP: *mut f64,
W: *mut f64,
Z: *mut f64,
ldz: *const lapack_int,
work: *mut f64,
info: *mut lapack_int,
)