transformop.h

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/*
 MCL
 Copyright (c) 2012-18, Enzo De Sena
 All rights reserved.
 
 Authors: Enzo De Sena, enzodesena@gmail.com
 */

#ifndef MCL_TRANSFORMOP_H
#define MCL_TRANSFORMOP_H

#include "mcltypes.h"
#include <vector>

namespace mcl {

  

std::vector<Complex> Fft(const std::vector<Complex>& input,
                                 Int n_point) noexcept;

std::vector<Complex> Rfft(const std::vector<Real>& input,
                                  Int n_point) noexcept;

  
std::vector<std::vector<Complex> >
Rfft(const std::vector<std::vector<Real> >& input, Int n_point) noexcept;
  
  
std::vector<Real> Irfft(const std::vector<Complex>& input,
                                Int n_point) noexcept;


std::vector<std::vector<Real> >
Irfft(const std::vector<std::vector<Complex> >& input, Int n_point) noexcept;
  
std::vector<Complex> Ifft(const std::vector<Complex>& input,
                                  Int n_point) noexcept;

std::vector<Complex> Hilbert(const std::vector<Real>& input) noexcept;

std::vector<Real> RCeps(const std::vector<Real>& vector) noexcept;

std::vector<Real> MinPhase(const std::vector<Real>& vector) noexcept;

  
std::vector<Real> XCorr(const std::vector<Real>& vector_a,
                                const std::vector<Real>& vector_b);
// The method XCorr naturally is placed in vectorop, but since it depends
// on the Fft method, I place it here, so someone who doesn't want to
// compile with KissFFT won't get compilation errors.

bool TransformOpTest();

} 
#endif