- m_nameFilter = convertFilterIDToName (m_idFilter);
- m_nameDomain = convertDomainIDToName (m_idDomain);
- m_nameFilterMethod = convertFilterMethodIDToName (m_idFilterMethod);
- m_fail = false;
- m_nSignalPoints = nSignalPoints;
- m_signalInc = signalIncrement;
- m_filterParam = param;
-
- if (m_idFilterMethod == FILTER_METHOD_FOURIER) {
- int nFourier = m_nSignalPoints * m_nSignalPoints + 1;
- double angleIncrement = (2. * PI) / m_nSignalPoints;
- m_vecFourierCosTable = new double[ nFourier ];
- m_vecFourierSinTable = new double[ nFourier ];
- for (int i = 0; i < nFourier; i++) {
- m_vecFourierCosTable[i] = cos (angleIncrement * i);
- m_vecFourierSinTable[i] = sin (angleIncrement * i);
- }
- m_nFilterPoints = m_nSignalPoints;
- m_filterMin = 0;
- m_filterMax = m_nSignalPoints * m_signalInc;
- m_filterInc = (m_filterMax - m_filterMin) / (m_nFilterPoints - 1);
- m_vecFilter = new double [m_nFilterPoints];
- int halfFilter = m_nFilterPoints / 2;
- for (int i = 0; i < halfFilter; i++)
- m_vecFilter[i] = static_cast<double>(i) / (halfFilter - 1) / (2 * m_signalInc);
- for (int i = 0; i < halfFilter; i++)
- m_vecFilter[m_nFilterPoints - i - 1] = static_cast<double>(i) / (halfFilter - 1) / (2 * m_signalInc);
- if (halfFilter % 2) // odd
- m_vecFilter[halfFilter] = 1;
- } else if (m_idFilterMethod == FILTER_METHOD_FFT || m_idFilterMethod == FILTER_METHOD_FFT_ZEROPAD_2 || m_idFilterMethod == FILTER_METHOD_FFT_ZEROPAD_4) {
- m_nFilterPoints = m_nSignalPoints;
- if (m_idFilterMethod == FILTER_METHOD_FFT_ZEROPAD_2 || m_idFilterMethod == FILTER_METHOD_FFT_ZEROPAD_4) {
- double logBase2 = log(m_nSignalPoints) / log(2);
- int nextPowerOf2 = static_cast<int>(floor(logBase2)) + 1;
- if (m_idFilterMethod == FILTER_METHOD_FFT_ZEROPAD_4)
- nextPowerOf2++;
- if (logBase2 != floor(logBase2))
- nextPowerOf2++;
- m_nFilterPoints = 1 << nextPowerOf2;
- cout << "nFilterPoints = " << m_nFilterPoints << endl;
- }
- m_filterMin = 0;
- m_filterMax = m_nSignalPoints * m_signalInc;
- m_filterInc = (m_filterMax - m_filterMin) / (m_nFilterPoints - 1);
- m_vecFilter = new double [m_nFilterPoints];
- int halfFilter = m_nFilterPoints / 2;
- for (int i = 0; i < halfFilter; i++)
- m_vecFilter[i] = static_cast<double>(i) / (halfFilter - 1) / (2 * m_signalInc);
- for (int i = 0; i < halfFilter; i++)
- m_vecFilter[m_nFilterPoints - i - 1] = static_cast<double>(i) / (halfFilter - 1) / (2 * m_signalInc);
- if (halfFilter % 2) // odd
- m_vecFilter[halfFilter] = 1;
-
-#if HAVE_FFTW
- m_planForward = fftw_create_plan (m_nFilterPoints, FFTW_FORWARD, FFTW_ESTIMATE);
- m_planBackward = fftw_create_plan (m_nFilterPoints, FFTW_BACKWARD, FFTW_ESTIMATE);
-#endif