diff options
Diffstat (limited to 'common/alcomplex.h')
| -rw-r--r-- | common/alcomplex.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/common/alcomplex.h b/common/alcomplex.h index cf4683fa..cfd164b6 100644 --- a/common/alcomplex.h +++ b/common/alcomplex.h @@ -55,6 +55,15 @@ inline ALcomplex complex_mult(ALcomplex a, ALcomplex b) */ void complex_fft(ALcomplex *FFTBuffer, ALsizei FFTSize, ALdouble Sign); +/** + *Calculate the complex helical sequence (or discrete-time analytical signal) + *of the given input using the discrete Hilbert transform (In-place algorithm). + *Fills InOutBuffer[0...size-1] with the discrete-time analytical signal stored + *in InOutBuffer[0...size-1]. InOutBuffer is an array of complex numbers, + *size MUST BE power of two. + */ +void hilbert(ALsizei size, ALcomplex *InOutBuffer ); + #ifdef __cplusplus } // extern "C" #endif |