Function cgemm_

pub unsafe extern "C" fn cgemm_(
    transa: *const f77_char,
    transb: *const f77_char,
    m: *const f77_int,
    n: *const f77_int,
    k: *const f77_int,
    alpha: *const scomplex,
    a: *const scomplex,
    lda: *const f77_int,
    b: *const scomplex,
    ldb: *const f77_int,
    beta: *const scomplex,
    c: *mut scomplex,
    ldc: *const f77_int,
)