pub unsafe extern fn cheevr_(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, 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, isuppz: *mut lapack_int, work: *mut lapack_complex_float, lwork: *const lapack_int, rwork: *mut c_float, lrwork: *const lapack_int, iwork: *mut lapack_int, liwork: *const lapack_int, info: *mut lapack_int)