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86 lines
1.7 KiB
C
86 lines
1.7 KiB
C
#ifndef WAVELIB_H_
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#define WAVELIB_H_
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#include "wtmath.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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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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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 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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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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void dwt(wt_object wt, double *inp);
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void idwt(wt_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 setWTConv(wt_object wt, char *cmethod);
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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 wave_free(wave_object object);
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void wt_free(wt_object object);
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#ifdef __cplusplus
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}
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#endif
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#endif /* WAVELIB_H_ */
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