/** Compute weighted cross-power spectrum of a half-complex (packed) vector with conjugate */
static inline void weighted_spectral_mul_conj(float *w, float *X, float *Y, float *prod, int N)
/** Compute weighted cross-power spectrum of a half-complex (packed) vector with conjugate */
static inline void weighted_spectral_mul_conj(float *w, float *X, float *Y, float *prod, int N)