ManagedCuda.NPP.NPPImage_8uC3.AverageError C# (CSharp) Method

        public void AverageError(NPPImage_8uC3 src2, CudaDeviceVariable<double> pError)
        {
            int bufferSize = AverageErrorGetBufferHostSize();
            CudaDeviceVariable<byte> buffer = new CudaDeviceVariable<byte>(bufferSize);
            status = NPPNativeMethods.NPPi.AverageError.nppiAverageError_8u_C3R(_devPtrRoi, _pitch, src2.DevicePointerRoi, src2.Pitch, _sizeRoi, pError.DevicePointer, buffer.DevicePointer);
            Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiAverageError_8u_C3R", status));
            buffer.Dispose();
            NPPException.CheckNppStatus(status, this);
        }