Method device_write_only

dlib/cuda/gpu_data.h:128–138

        }

        float* device_write_only()
        {
#ifndef DLIB_USE_CUDA
            DLIB_CASSERT(false, "CUDA NOT ENABLED");
#endif
            wait_for_transfer_to_finish();
            host_current = false;
            device_current = true;
            device_in_use = true;
            return data_device.get(); 
        }

        bool host_ready (
        ) const { return host_current; }