X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Ffilter.h;h=7040a3bcabd2742ca0e94f0cfea2ed18cb6800dd;hp=8e0740b982e1bb34dc4592d090fb309c9b8e806c;hb=a2a9671aff06827cec6d6b80234b90128d337e40;hpb=cabc5359e111e9d8a9554263ece8e51d8de1ef86 diff --git a/include/filter.h b/include/filter.h index 8e0740b..7040a3b 100644 --- a/include/filter.h +++ b/include/filter.h @@ -9,7 +9,7 @@ ** This is part of the CTSim program ** Copyright (C) 1983-2000 Kevin Rosenberg ** -** $Id: filter.h,v 1.9 2000/07/04 22:21:01 kevin Exp $ +** $Id: filter.h,v 1.10 2000/07/06 08:30:30 kevin Exp $ ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License (version 2) as @@ -50,9 +50,7 @@ class SignalFilter { FILTER_METHOD_CONVOLUTION, FILTER_METHOD_FOURIER, FILTER_METHOD_FFT, - FILTER_METHOD_FFT_ZEROPAD_2, - FILTER_METHOD_FFT_ZEROPAD_4, - FILTER_METHOD_FFT_ZEROPAD_6 + FILTER_METHOD_FFTW, } FilterMethodID; typedef enum { @@ -75,17 +73,15 @@ class SignalFilter { static const char FILTER_METHOD_CONVOLUTION_STR[]= "convolution"; static const char FILTER_METHOD_FOURIER_STR[]= "fourier"; static const char FILTER_METHOD_FFT_STR[]= "fft"; - static const char FILTER_METHOD_FFT_ZEROPAD_2_STR[]="fft_zeropad2"; - static const char FILTER_METHOD_FFT_ZEROPAD_4_STR[]="fft_zeropad4"; - static const char FILTER_METHOD_FFT_ZEROPAD_6_STR[]="fft_zeropad6"; + static const char FILTER_METHOD_FFTW_STR[]= "fftw"; - static const char DOMAIN_FREQUENCY_STR[]= "frequency"; - static const char DOMAIN_SPATIAL_STR[]= "spatial"; + static const char DOMAIN_FREQUENCY_STR[]="frequency"; + static const char DOMAIN_SPATIAL_STR[]="spatial"; - SignalFilter (const char* filterName, const char* filterMethodName,double bw, double signalIncrement, int n, double param, const char* domainName, const int numIntegral = 0); + SignalFilter (const char* filterName, const char* filterMethodName,double bw, double signalIncrement, int n, double param, const char* domainName, const int zeropad = 0, const int numIntegral = 0); - SignalFilter (const FilterID filt_type, FilterMethodID filterMethodID, double bw, double signalIncrement, int n, double param, const DomainID domain, const int numIntegral = 0); + SignalFilter (const FilterID filt_type, FilterMethodID filterMethodID, double bw, double signalIncrement, int n, double param, const DomainID domain, const int zeropad = 0, const int numIntegral = 0); SignalFilter (const char* filterName, const char* domainName, double bw, double param, int numIntegral = 0); @@ -104,11 +100,11 @@ class SignalFilter { void filterSignal (const double input[], double output[]) const; void filterSignal (const float input[], double output[]) const; - static void finiteFourierTransform (const float input[], complex output[], const int n, const int direction); + static void finiteFourierTransform (const double input[], complex output[], const int n, const int direction); static void finiteFourierTransform (const complex input[], complex output[], const int n, const int direction); - void finiteFourierTransform (const float input[], complex output[], const int direction) const; + void finiteFourierTransform (const double input[], complex output[], const int direction) const; void finiteFourierTransform (const complex input[], complex output[], const int direction) const; @@ -151,6 +147,9 @@ class SignalFilter { complex* m_complexVecFilter; #ifdef HAVE_FFTW fftw_plan m_planForward, m_planBackward; + fftw_complex* m_vecFftInput; +#else + complex* m_vecFftInput; #endif bool m_fail; @@ -164,6 +163,7 @@ class SignalFilter { double m_filterParam; int m_numIntegral; int m_traceLevel; + int m_zeropad; static const FilterID convertFilterNameToID (const char* filterName); static const char* convertFilterIDToName (const FilterID filterID); @@ -172,7 +172,7 @@ class SignalFilter { static const DomainID convertDomainNameToID (const char* domainName); static const char* convertDomainIDToName (const DomainID domainID); - void init (const FilterID filt_type, const FilterMethodID filterMethod, double bw, double signalIncrement, int n, double param, const DomainID domain, const int numInt); + void init (const FilterID filt_type, const FilterMethodID filterMethod, double bw, double signalIncrement, int n, double param, const DomainID domain, const int zeropad, const int numInt); double spatialResponseCalc (double x, double param, int n) const;