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 complex_double,
a: *const complex_double,
lda: *const c_int,
b: *const complex_double,
ldb: *const c_int,
beta: *const complex_double,
c: *mut complex_double,
ldc: *const c_int
)