////////////////////////////////////////////////////////////////////////
-//
-// AliTPCMonitorFFT class
-//
-// Wrapper class to perform Fast Fourier Transformations
-// Code based on Gnu Scientific Library
-// See documentation of gsl for further details
-//
-// Author: Stefan Kniege, IKF, Frankfurt
-//
-//
+////
+//// AliTPCMonitorFFT class
+////
+//// Wrapper class to perform Fast Fourier Transformations
+//// Code based on Gnu Scientific Library
+//// See documentation of gsl for further details
+////
+//// Author: Stefan Kniege, IKF, Frankfurt
+////
+////
/////////////////////////////////////////////////////////////////////////
Int_t ComplexRadix2BackwardWrap( Double_t* data, Int_t stride, size_t n );
Int_t ComplexRadix2InverseWrap( Double_t* data, Int_t stride, size_t n );
Int_t ComplexRadix2TransformWrap(Double_t* data, Int_t stride, size_t n, Int_t sign );
- Int_t ComplexBitReverseOrderWrap(Double_t* data, Int_t stride, size_t n, Int_t logn);
- Int_t FFTBinaryLogn(size_t n);
+ Int_t ComplexBitReverseOrderWrap(Double_t* data, Int_t stride, size_t n, Int_t logn) const ;
+ Int_t FFTBinaryLogn(size_t n) const ;
private: