Wavelet.h

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Taylor Woll and panwave contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for
// full license information.
//-------------------------------------------------------------------------------------------------------
 
#ifndef WAVELET_H
#define WAVELET_H
 
#include <cstdint>
#include <vector>
 
namespace panwave {
 
class Wavelet {
 public:
  enum class WaveletType : uint8_t { Daubechies = 1, Symlet, Coiflet };
 
  size_t Length() const;
 
  static void GetWaveletCoefficients(Wavelet* wavelet, WaveletType type,
                                     size_t vanishing_moment);
 
  static size_t GetWaveletMinimumP(WaveletType type);
 
  static size_t GetWaveletMaximumP(WaveletType type);
 
  std::vector<double> lowpassDecompositionFilter_;
  std::vector<double> highpassDecompositionFilter_;
  std::vector<double> lowpassReconstructionFilter_;
  std::vector<double> highpassReconstructionFilter_;
};
 
}  // namespace panwave
 
#endif  // WAVELET_H