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from .common cimport pywt_index_t
cdef extern from "c/wavelets.h":
ctypedef enum SYMMETRY:
ASYMMETRIC
NEAR_SYMMETRIC
SYMMETRIC
ANTI_SYMMETRIC
ctypedef enum WAVELET_NAME:
HAAR
RBIO
DB
SYM
COIF
BIOR
DMEY
GAUS
MEXH
MORL
CGAU
SHAN
FBSP
CMOR
ctypedef struct BaseWavelet:
pywt_index_t support_width
unsigned int orthogonal
unsigned int biorthogonal
unsigned int compact_support
SYMMETRY symmetry
int _builtin
char* family_name
char* short_name
ctypedef struct DiscreteWavelet:
double* dec_hi_double # highpass decomposition
double* dec_lo_double # lowpass decomposition
double* rec_hi_double # highpass reconstruction
double* rec_lo_double # lowpass reconstruction
float* dec_hi_float
float* dec_lo_float
float* rec_hi_float
float* rec_lo_float
size_t dec_len # length of decomposition filter
size_t rec_len # length of reconstruction filter
int vanishing_moments_psi
int vanishing_moments_phi
BaseWavelet base
ctypedef struct ContinuousWavelet:
BaseWavelet base
float lower_bound
float upper_bound
float center_frequency
float bandwidth_frequency
unsigned int fbsp_order
int complex_cwt
cdef int is_discrete_wavelet(WAVELET_NAME name)
cdef DiscreteWavelet* discrete_wavelet(WAVELET_NAME name, int type)
cdef DiscreteWavelet* blank_discrete_wavelet(size_t filter_length)
cdef void free_discrete_wavelet(DiscreteWavelet* wavelet)
cdef ContinuousWavelet* continuous_wavelet(WAVELET_NAME name, int type)
cdef ContinuousWavelet* blank_continuous_wavelet()
cdef void free_continuous_wavelet(ContinuousWavelet* wavelet)
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