static void shuffleNaturalToFourierOrder (double* pdVector, const int n);\r
static void shuffleNaturalToFourierOrder (std::complex<double>* pdVector, const int n);\r
static void shuffleNaturalToFourierOrder (double* pdVector, const int n);\r
static void shuffleNaturalToFourierOrder (std::complex<double>* pdVector, const int n);\r