pub unsafe extern fn chegvx_(itype: *const lapack_int, jobz: *const c_char, range: *const c_char, uplo: *const c_char, n: *const lapack_int, a: *mut lapack_complex_float, lda: *const lapack_int, b: *mut lapack_complex_float, ldb: *const lapack_int, vl: *const c_float, vu: *const c_float, il: *const lapack_int, iu: *const lapack_int, abstol: *const c_float, m: *mut lapack_int, w: *mut c_float, z: *mut lapack_complex_float, ldz: *const lapack_int, work: *mut lapack_complex_float, lwork: *const lapack_int, rwork: *mut c_float, iwork: *mut lapack_int, ifail: *mut lapack_int, info: *mut lapack_int)