Function dtgsna_

pub unsafe extern "C" fn dtgsna_(
    job: *const c_char,
    howmny: *const c_char,
    select: *const lapack_logical,
    n: *const lapack_int,
    a: *const c_double,
    lda: *const lapack_int,
    b: *const c_double,
    ldb: *const lapack_int,
    vl: *const c_double,
    ldvl: *const lapack_int,
    vr: *const c_double,
    ldvr: *const lapack_int,
    s: *mut c_double,
    dif: *mut c_double,
    mm: *const lapack_int,
    m: *mut lapack_int,
    work: *mut c_double,
    lwork: *const lapack_int,
    iwork: *mut lapack_int,
    info: *mut lapack_int,
)