o 7ήc@sdZddlmZmZmZddlZddlZddlm Z ddl Z ddl m Z m Z mZddl mZgdZdZed d eDgZd d Ze ejjd dZe ejjddZddZddZddZddZdS)zs Test used to verify PyWavelets Discrete Wavelet Transform computation accuracy against MathWorks Wavelet Toolbox. )divisionprint_functionabsolute_importN)assert_)uses_pymatbridgeuses_precomputedsize_set)matlab_result_dict_dwt) )zerozpd)constantsp0) symmetricsym)reflectsymw)periodicppd)smoothsp1) periodizationper) antisymmetricasym) antireflectasymw)dbrcoifbiorrbiocCsg|]}t|qS)pywtwavelist).0namer r K/tmp/pip-target-vg8gfxp4/lib/python/pywt/tests/test_matlab_compatibility.py sr&cCs8tdkrtt|jdgd}|S|j|jdf}|S)z) Return the sizes to test for wavelet w. full()diiiP)rlistrangedec_len)w data_sizesr r r%_get_data_sizes"sr1c Cstd}|}tjd}d}d}|zUtD]K}t|}| d|t |D]9}| |}| d|t D])\} } t ||| |\} } t||| | | ||t||| \} } t||| | | ||q9q*qW|dS|w)Nzpymatbridge.Matlab-C6 ?绽|=waveletdata)pytest importorskipnprandom RandomStatestartwaveletsr!Wavelet set_variabler1randnmodes_compute_matlab_result_check_accuracy_load_matlab_result_pywt_coeffsstop) Matlabmlabrstateepsilonepsilon_pywt_coeffsr5r/Nr6pmodemmodemamdr r r%test_accuracy_pymatbridge,s,         rPc Cstjd}d}d}tD]>}t|}t|D]2}||}tD](\}}t |||\} } t |||| | ||t |||\} } t |||| | ||q qq dS)Nr2r3r4) r9r:r;r=r!r>r1r@rA_load_matlab_resultrCrD) rHrIrJr5r/rKr6rLrMrNrOr r r%test_accuracy_precomputedHs     rRc Cstj|tgdkddr&t|}|d|j|d|jd|}nd|}||}|ds7t d t | d }t | d }||fS) z Compute the result using MATLAB. This function assumes that the Matlab variables `wavelet` and `data` have already been set externally. ) coif6coif7coif8coif9coif10coif11coif12coif13coif14coif15coif16coif17r)axisLo_DHi_Dz/[ma, md] = dwt(data, Lo_D, Hi_D, 'mode', '%s');z,[ma, md] = dwt(data, wavelet, 'mode', '%s');successzXMatlab failed to execute the provided code. Check that the wavelet toolbox is installed.rNrO) r9anyarrayr!r>r?dec_lodec_hirun_code RuntimeErrorasarray get_variable) r6r5rMrGr/ mlab_coderesrNrOr r r%rB[s   rBcCnt|}d||t|dg}d||t|dg}|tvs"|tvr+td|||t|}t|}||fS)" Load the precomputed result. _rNrOIPrecompted Matlab result not found for wavelet: {0}, mode: {1}, size: {2}lenjoinstrmatlab_result_dictKeyErrorformatr6r5rMrKma_keymd_keyrNrOr r r%rQr rQcCrm)rnro ma_pywtCoeffs md_pywtCoeffsrprqrxr r r%rDr{rDc Cst|||\}}tt||d} tt||d} d||t|| f} t| |k| dd||t|| f} t| |k| ddS)NzA[RMS_A > EPSILON] for Mode: %s, Wavelet: %s, Length: %d, rms=%.3g)msgzA[RMS_D > EPSILON] for Mode: %s, Wavelet: %s, Length: %d, rms=%.3g)r!dwtr9sqrtmeanrrr) r6r/rLrNrOr5rIpapdrms_arms_drr r r%rCsrC)__doc__ __future__rrrnumpyr9r7 numpy.testingrr! pywt._pytestrrrr rurAfamiliessumr=r1markslowrPrRrBrQrDrCr r r r%s,