init
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(_MSC_VER)
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#pragma warning(disable : 4200)
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#pragma warning(disable : 4996)
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#endif
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#ifndef fft_type
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#define fft_type double
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#endif
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#ifndef cplx_type
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#define cplx_type double
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#endif
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typedef struct cplx_t
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{
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cplx_type re;
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cplx_type im;
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} cplx_data;
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typedef struct wave_set* wave_object;
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wave_object wave_init(char* wname);
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struct wave_set
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{
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char wname[50];
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int filtlength;// When all filters are of the same length. [Matlab uses zero-padding to make all filters of the same length]
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int lpd_len;// Default filtlength = lpd_len = lpr_len = hpd_len = hpr_len
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int hpd_len;
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int lpr_len;
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int hpr_len;
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double* lpd;
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double* hpd;
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double* lpr;
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double* hpr;
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double params[0];
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};
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typedef struct fft_t
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{
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fft_type re;
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fft_type im;
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} fft_data;
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typedef struct fft_set* fft_object;
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fft_object fft_init(int N, int sgn);
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struct fft_set
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{
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int N;
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int sgn;
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int factors[64];
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int lf;
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int lt;
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fft_data twiddle[1];
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};
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typedef struct fft_real_set* fft_real_object;
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fft_real_object fft_real_init(int N, int sgn);
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struct fft_real_set
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{
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fft_object cobj;
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fft_data twiddle2[1];
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};
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typedef struct conv_set* conv_object;
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conv_object conv_init(int N, int L);
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struct conv_set
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{
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fft_real_object fobj;
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fft_real_object iobj;
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int ilen1;
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int ilen2;
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int clen;
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};
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typedef struct wt_set* wt_object;
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wt_object wt_init(wave_object wave, char* method, int siglength, int J);
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struct wt_set
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{
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wave_object wave;
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conv_object cobj;
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char method[10];
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int siglength;// Length of the original signal.
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int outlength;// Length of the output DWT vector
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int lenlength;// Length of the Output Dimension Vector "length"
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int J; // Number of decomposition Levels
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int MaxIter;// Maximum Iterations J <= MaxIter
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int even;// even = 1 if signal is of even length. even = 0 otherwise
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char ext[10];// Type of Extension used - "per" or "sym"
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char cmethod[10]; // Convolution Method - "direct" or "FFT"
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int N; //
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int cfftset;
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int zpad;
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int length[102];
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double* output;
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double params[0];
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};
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typedef struct wtree_set* wtree_object;
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wtree_object wtree_init(wave_object wave, int siglength, int J);
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struct wtree_set
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{
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wave_object wave;
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conv_object cobj;
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char method[10];
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int siglength;// Length of the original signal.
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int outlength;// Length of the output DWT vector
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int lenlength;// Length of the Output Dimension Vector "length"
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int J; // Number of decomposition Levels
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int MaxIter;// Maximum Iterations J <= MaxIter
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int even;// even = 1 if signal is of even length. even = 0 otherwise
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char ext[10];// Type of Extension used - "per" or "sym"
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int N; //
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int nodes;
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int cfftset;
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int zpad;
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int length[102];
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double* output;
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int* nodelength;
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int* coeflength;
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double params[0];
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};
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typedef struct wpt_set* wpt_object;
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wpt_object wpt_init(wave_object wave, int siglength, int J);
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struct wpt_set
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{
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wave_object wave;
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conv_object cobj;
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int siglength;// Length of the original signal.
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int outlength;// Length of the output DWT vector
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int lenlength;// Length of the Output Dimension Vector "length"
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int J; // Number of decomposition Levels
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int MaxIter;// Maximum Iterations J <= MaxIter
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int even;// even = 1 if signal is of even length. even = 0 otherwise
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char ext[10];// Type of Extension used - "per" or "sym"
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char entropy[20];
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double eparam;
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int N; //
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int nodes;
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int length[102];
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double* output;
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double* costvalues;
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double* basisvector;
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int* nodeindex;
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int* numnodeslevel;
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int* coeflength;
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double params[0];
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};
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typedef struct cwt_set* cwt_object;
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cwt_object cwt_init(char* wave, double param, int siglength, double dt, int J);
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struct cwt_set
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{
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char wave[10];// Wavelet - morl/morlet,paul,dog/dgauss
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int siglength;// Length of Input Data
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int J;// Total Number of Scales
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double s0;// Smallest scale. It depends on the sampling rate. s0 <= 2 * dt for most wavelets
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double dt;// Sampling Rate
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double dj;// Separation between scales. eg., scale = s0 * 2 ^ ( [0:N-1] *dj ) or scale = s0 *[0:N-1] * dj
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char type[10];// Scale Type - Power or Linear
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int pow;// Base of Power in case type = pow. Typical value is pow = 2
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int sflag;
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int pflag;
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int npad;
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int mother;
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double m;// Wavelet parameter param
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double smean;// Input Signal mean
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cplx_data* output;
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double* scale;
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double* period;
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double* coi;
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double params[0];
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};
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void dwt(wt_object wt, double* inp);
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void idwt(wt_object wt, double* dwtop);
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void wtree(wtree_object wt, double* inp);
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void dwpt(wpt_object wt, double* inp);
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void idwpt(wpt_object wt, double* dwtop);
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void swt(wt_object wt, double* inp);
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void iswt(wt_object wt, double* swtop);
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void modwt(wt_object wt, double* inp);
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void imodwt(wt_object wt, double* dwtop);
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void setDWTExtension(wt_object wt, char* extension);
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void setWTREEExtension(wtree_object wt, char* extension);
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void setDWPTExtension(wpt_object wt, char* extension);
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void setDWPTEntropy(wpt_object wt, char* entropy, double eparam);
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void setWTConv(wt_object wt, char* cmethod);
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int getWTREENodelength(wtree_object wt, int X);
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void getWTREECoeffs(wtree_object wt, int X, int Y, double* coeffs, int N);
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int getDWPTNodelength(wpt_object wt, int X);
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void getDWPTCoeffs(wpt_object wt, int X, int Y, double* coeffs, int N);
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int setCWTScales(cwt_object wt, double s0, double dj, char* type, int power);
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void setCWTScaleVector(cwt_object wt, double* scale, int J, double s0, double dj);
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void setCWTPadding(cwt_object wt, int pad);
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int cwt(cwt_object wt, double* inp);
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void icwt(cwt_object wt, double* cwtop);
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int getCWTScaleLength(int N);
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void wave_summary(wave_object obj);
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void wt_summary(wt_object wt);
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void wtree_summary(wtree_object wt);
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void wpt_summary(wpt_object wt);
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void cwt_summary(cwt_object wt);
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void wave_free(wave_object object);
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void wt_free(wt_object object);
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void wtree_free(wtree_object object);
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void wpt_free(wpt_object object);
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void cwt_free(cwt_object object);
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#ifdef __cplusplus
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}
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#endif
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