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