public static void GammaInv(NPPImage_8uC1 src0, NPPImage_8uC1 src1, NPPImage_8uC1 src2) { CUdeviceptr[] arraySrc = new CUdeviceptr[] { src0.DevicePointerRoi, src1.DevicePointerRoi, src2.DevicePointerRoi }; NppStatus status = NPPNativeMethods.NPPi.Gamma.nppiGammaInv_8u_IP3R(arraySrc, src0.Pitch, src0.SizeRoi); Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiGammaInv_8u_IP3R", status)); NPPException.CheckNppStatus(status, null); }