cuda_sys::cublas
pub unsafe extern "C" fn cublasCdgmm( handle: cublasHandle_t, mode: cublasSideMode_t, m: c_int, n: c_int, A: *const cuComplex, lda: c_int, x: *const cuComplex, incx: c_int, C: *mut cuComplex, ldc: c_int) -> cublasStatus_t