pub unsafe extern "C" fn cblas_cgemm(
layout: CBLAS_LAYOUT,
transa: CBLAS_TRANSPOSE,
transb: CBLAS_TRANSPOSE,
m: c_int,
n: c_int,
k: c_int,
alpha: *const c_float_complex,
a: *const c_float_complex,
lda: c_int,
b: *const c_float_complex,
ldb: c_int,
beta: *const c_float_complex,
c: *mut c_float_complex,
ldc: c_int,
)