pub unsafe extern "C" fn zgemm_(
transa: *const c_char,
transb: *const c_char,
m: *const c_int,
n: *const c_int,
k: *const c_int,
alpha: *const Rcomplex,
a: *const Rcomplex,
lda: *const c_int,
b: *const Rcomplex,
ldb: *const c_int,
Rf_beta: *const Rcomplex,
c: *mut Rcomplex,
ldc: *const c_int,
arg1: usize,
arg2: usize
)