public static extern IppStatus ippsMul_32fc_I(Ipp32fc *pSrc1, Ipp32fc *pSrcDst, int len);
public static extern IppStatus ippsConjCcs_32fc(float *pSrc, Ipp32fc *pDst, int len);
public static extern IppStatus ippsFFTInv_CToC_32fc_I(Ipp32fc *pSrcDst, IntPtr pFFTSpec, byte *pBuffer);
public static extern IppStatus ippsTone_32fc(Ipp32fc *pDst, int len, float magn, float rFreq, float *pPhase, IppHintAlgorithm hint);