a6d} h ddlZddlZddlZddlmZmZmZmZm Z ddl m Z ddl m Z ddl m Z ddlmZddlmZddlmZdd lmZdd lmZd Zd Zd ZdZdZdZdZdZdZ ej!"dej#ej$ej%gdZ&ej!"dej#ej$ej%gdZ'dZ(ej!"dddgej!"dej)ej*ej%gej!"dgddZ+ej,-de j.Z/e j0e/Z1e j2e1dz dzZ1dZ3d Z4ej!"dej#ej$ej%gd!Z5d"Z6d#Z7ej!"d$ddd%gfddd&gfd'd(d)gfgd*Z8ej!"d$dd+d,gfdd-d%gfd.d/d0gfgd1Z9d2Z:d3Z;d4Zd7Z?d8Z@ej!"dej#ej$ej%gd9ZAd:ZBej!"dejCejDej#ej$ej%gd;ZEd<ZFd=ZGd>ZHd?ZId@ZJdAZKdBZLej!"dCdDdEgdFZMej!"dGdHej)fdIejNfdJejNfdKejNfdLeOfgdMZPdNZQdOZRdPZSej!"dej#ej$ej%gdQZTdRZUdSZVdTZWdUZXdVZYdWZZdXZ[dYZ\dZZ]d[Z^ej!"dej#ej$ej%gd\Z_d]Z`d^Zad_Zbd`Zcej!"dej#ej$ej%gdaZddbZedcZfej!"dej#ej$ej%gddZgdeZhdfZidgZjdhZkdiZldjZmej!"dke jne joe jpgdlZqdmZrdS)nN)assert_allcloseassert_almost_equalassert_array_almost_equalassert_array_equal assert_equal)data)exposure)util)rgb2gray)intensity_range) dtype_range)expected_warnings)_supported_float_typectjddgtj}tjt 5t j|d\}}ddddS#1swxYwYdS)Nddtypefoobar source_range)nparrayint8pytestraises ValueErrorr histogramim frequencies bin_centerss Dlib/python3.11/site-packages/skimage/exposure/tests/test_exposure.pytest_wrong_source_ranger$s 2s)27 + + +B z " "MM#+#5bCK$M$M$M [MMMMMMMMMMMMMMMMMMsA##A'*A'c&tjddgtj}tj|\}}t |tjdd|ddksJ|ddksJt |ddddS)Nrrrerrrrr rrarangers r#test_negative_overflowr*s 2s)27 + + +B'1"55K{BIb#$6$6777 q>Q     r?a    {1R4(!,,,,,c&tjddgtj}tj|\}}t |tjdd|ddksJ|ddksJt |ddddS)Nirrrr'r(rs r#test_all_negative_imager-(s 4*BG , , ,B'1"55K{BIdA$6$6777 q>Q     r?a    {1R4(!,,,,,r+c$tjddgtj}tj|\}}t t |t |t |ddt |dddS)N rrrr)rrrr rrlenrs r#test_int_range_imager11s 2s)27 + + +B'1"55K[!!3{#3#3444Q$$$R#&&&&&r+cvtjddgddggtj}tj|d\}}t |jdD]2}tt||t|3t|ddt|dddS) Nr/rfrr) channel_axisr) rrrr rrangeshaperr0)r r!r"chs r#!test_multichannel_int_range_imager99s B7S#J'rw 7 7 7B'1"2FFFKBHRL!!==SR))3{+;+;<<<<Q###R#&&&&&r+cptjddgtj}tj|d\}}t |tjddt|ddt|ddt|d dt|jd dS) Nr/rrrrrr'r&r;) rruint8r rrr)rr7rs r#test_peak_uint_range_dtyper>Bs 2s)28 , , ,B'1"7KKKK{BIa$5$5666R!$$$S!1%%%S!1%%%"F+++++r+cptjddgtj}tj|d\}}t |tjddt|dd t|d d t|d d t|jd dS)Nr/rrrrr'rr<) rrrr rrr)rr7rs r#test_peak_int_range_dtyperELs 2s)27 + + +B'1"7KKKK{BIdC$8$8999V$a(((W%q)))W%q)))"F+++++r+ctjdddtj}tj|d\}}t |tjddt|jddS)Nrr;rrrr<) rlinspacer=r rrr)rr7rs r#test_flat_uint_range_dtyperIVsk QS 1 1 1B'1"7KKKK{BIa$5$5666"F+++++r+ctjdddtj}tj|d\}}t |tjddt|jddS)Nr@rAr;rrrr<) rrHrr rrr)rr7rs r#test_flat_int_range_dtyperK]sk T327 3 3 3B'1"7KKKK{BIdC$8$8999"F+++++r+rctjddg|}tj|d\}}|j|ksJt |tjdddzdS)Nr/rrZnbins?)rrr rrrr))rr r!r"s r#"test_peak_float_out_of_range_imagerQdso 2s)5 ) ) )B'1"B???K   % % % %{BIb#$6$6$<=====r+cNtjddg|}d}tj||d\}}|j|ksJt tj|ddt tj|ddtt|ddS) Nr/rrr)rOrg?) rrr rrrminmaxrr0)rr rOr!r"s r#"test_peak_float_out_of_range_dtyperWms 2s)5 ) ) )B E'1"E?F H H HK   % % % %{++T1555{++S!444[!!2&&&&&r+c8tjgdtj}tj|dd\}}tjd}d|d<d |d <t ||tj|dd \}}|d z}t ||dS) N)rrGrGrrF)r normalizer;r'rrTg@)rrr=r rzerosr)r r!r"expecteds r#test_normalizer]ys ---rx 0 0 0B'1"7!  , , , , q>"  " " " " q>!  ! ! ! ! q>"  - - - - - -r+g@rctjt}tjtd}t||dS)z)Check integer bins used for uint8 images.rSrNN)r equalize_hist test_img_intr)img_eq0img_eq1s r#test_equalize_uint8_approxrns=$\22G$\;;;GGW%%%%%r+ctjt}tj|}tj|\}}t |dS)N)r img_as_ubytetest_imgr rjcumulative_distributioncheck_cdf_slope)imgimg_eqcdf bin_edgess r#test_equalize_ubyterxsJ  H % %C  #C ( (F5f==NCCr+c>tjt|d}t j|}|jt|ksJt j|\}}t||jt|ksJdS)NFcopy) r img_as_floatrqastyper rjrrrrrs)rrtrurvrws r#test_equalize_floatr~s  H % % , ,U , ? ?C  #C ( (F <077 7 7 7 75f==NCC ?3E:: : : : : : :r+c^tjt}tjtj}d|ddddf<t j||}t j|}t j|\}}t|||k rJdS)Nr'ri)mask) r r|rqrr[r7r rjrrrsall)rtr img_mask_eqrurvrws r#test_equalize_maskedrs  H % %C 8HN # #DDS#c' (4888K  #C ( (F5kBBNCC+%**,,,,,,,r+ctjddt|}tj||d\}}d|cxkrdksnJdS)z=Slope of cdf which should equal 1 for an equalized histogram.rr'rT皙?N)rrHr0polyfit)rvnorm_intensityslope intercepts r#rsrss^[As3xx00Nz.#q99E9             r+ztest_input,expectedr'rG)r/r/rctjddgtj}t||}t ||dS)Nrr'r range_values)rrr=r r test_inputr\r^outs r#test_intensity_range_uint8rsF HaV28 , , ,E %j 9 9 9CsH%%%%%r+皙?皙?r)333333?皙?rrctjddgtj}t||}t ||dS)Nrrrrrrfloat64r rrs r#test_intensity_range_floatrsF Hc3Zrz 2 2 2E %j 9 9 9CsH%%%%%r+ctjddgtj}t|dd}t |ddS)NrrrrT)r clip_negative)rr'rr^rs r#"test_intensity_range_clipped_floatrsF Hc3Zrz 2 2 2E %gT J J JCsF#####r+iii?ictjgdtj}tj|}|jtjksJt |gddS)N)3r4r)rrG)rrr=r rescale_intensityrrrs r#test_rescale_stretchr s[ H^^^28 4 4 4E  $U + +C 9 c===11111r+c~tjgd}tj|}t |gddS)NgI@gY@g c@)rrPr'rrr rrrs r#test_rescale_shrinkrsB H&&& ' 'E  $U + +Cc;;;/////r+ctjgd|}tj|d}t |gdd|j|jksJdS)NrrrrGin_range)rrg333333?)decimal)rrr rrrrr^rs r#test_rescale_in_rangersf H&&&e 4 4 4E  $UX > > >Cc???A>>>> 9 # # # # # #r+ctjgd}tj|d}t |gddS)Nr)rr4r)rPr'r'rrs r#test_rescale_in_range_cliprsG H&&& ' 'E  $UX > > >Cc;;;/////r+ctjgd|}tj|d}|jt |jksJt |gddS)a?Check that output range is correct. .. versionchanged:: 0.17 This function used to return dtype matching the input dtype. It now matches the output. .. versionchanged:: 0.19 float16 and float32 inputs now result in float32 output. Formerly they would give float64 outputs. )rr/rrr out_range)rgO@rN)rrr rrrrrs r#test_rescale_out_ranger%si H\\\ / / /E  $Uh ? ? ?C 9-ek:: : : : :c>>>22222r+ctjdttdzgtj}t j|d}t |dttgdS)Nrrruint10r)rr uint10_maxuint16r rr uint16_maxrs r#test_rescale_named_in_ranger8sV HaZ#%56bi H H HE  $UX > > >CcAz:#>?????r+ctjdtgtj}t j|d}t |dtgdS)Nrrrr)rrrrr rrrrs r#test_rescale_named_out_ranger>K Ha_BI 6 6 6E  $Uh ? ? ?CcAz?33333r+ctjdtgtj}t j|d}t |dtgdS)Nrruint12r)rrrrr rr uint12_maxrs r#test_rescale_uint12_limitsrDrr+ctjdtgtj}t j|d}t |dtgdS)Nrruint14r)rrrrr rr uint14_maxrs r#test_rescale_uint14_limitsrJrr+ctjdtj}tj|}tj|sJt||dS)NrZrZr)rr[r=r risnanrrrs r#test_rescale_all_zerosrPsa HV28 , , ,E  $U + +C HSMM     c5)))))r+ctjddgtj}tj|d}t |ddgdS)Nrrrr)rrrr rrrs r#test_rescale_constantrWsK Hc3Zry 1 1 1E  $Uh ? ? ?CcC:.....r+ctjd}tj|}tj|sJt ||dS)Nr)ronesr rrrrrs r#test_rescale_same_valuesr]sX GFOOE  $U + +C HSMM     c5)))))r+zin_range,out_range)r^r)rr^c"tjdtdd}tj|d<d}d}|dkr||g}n|g}t |5t j|||ddddS#1swxYwYdS) N rrSr)r'r'zWOne or more intensity levels are NaN\. Rescaling will broadcast NaN to the full image\.z/Passing `np.nan` to mean no clipping in np.clipr^)rr)floatreshapenanrr r)rrr^msgnumpy_warning_1_17_plusexp_warns r#test_rescale_nan_warningrds Ib & & & . .q! 4 4E&E$K = :7015 8 $ $??"5(I>>>??????????????????s BB Bzout_range, out_dtyper=rrrrctjgdtj}tj||}|j|ksJdS)Nr@rrrr)rrrr rr)r out_dtyper^ output_images r#test_rescale_output_dtypersM H^^^27 3 3 3E-eyIIIL   * * * * * *r+ctjgdtj}tj|tj}t |gd|jtjksJdS)NrrrrrArG)rrrr rr=rrr^rs r#test_rescale_no_overflowrsc H^^^27 3 3 3E-erxHHHL|]]]333   ) ) ) ) ) )r+ctjgdtj}tj|d}t |gd|jtksJdS)Nrrrrr)rrrr rrrrrs r#test_rescale_float_outputrs_ H^^^27 3 3 3E-exHHHL|]]]333   & & & & & &r+ctjgdtj}tjt 5t j|d}ddddS#1swxYwYdS)Nrrflatr)rrrrrrr r)r^_s r#*test_rescale_raises_on_incorrect_out_rangers H^^^27 3 3 3E z " "@@  &u ? ? ?@@@@@@@@@@@@@@@@@@sA  A$'A$ctjtj|d}t |}t j|||f}tj |ddd}|j |j ksJ|j t|ksJ|t j krdnd}tt||d |tt!||d dd S) z!Test a grayscale float image Frz)9r{Gz?rA) kernel_size clip_limitrOrSrZg)\Y@ghs?N)r r|r astronautr}r rdstackr equalize_adapthistr7rrfloat16rpeak_snrnorm_brightness_err)rrtadapted snr_decimals r#test_adapthist_grayscalers  DN,, - - 4 4U 4 G GC 3--C )S#sO $ $C)#859FFFG 9 % % % % =1%88 8 8 8 8 **!!Kg..EEE+C9961EEEEEr+ctjtj}t jd5}t jdtj|\}}t|dksJ dddn #1swxYwYtj |d}| dksJ| dksJ|j |j ksJtj|}tt!||d d tt#||d d dS) z#Test an RGB color uint16 image T)recordalwaysrNrr?x&Y[@r'{Gz?rZ)r img_as_uintrrwarningscatch_warnings simplefilterr rr0rrUrVr7rrrr)rtwhistr"r full_scales r#test_adapthist_colorrsj  4>++ , ,C   - - -h'''$.s33k1vvzzzzz)#$???G ;;==A     ;;==C     9 % % % %+C00JW55wBBB+J@@$JJJJJsAB  B B ctjtj}t j|jd|jdft}t j||f}tj |}|j|jksJ|ddddddf}tj |}|j|jksJtt||ddtt||dddS) zTest an RGBA color image rr'rNrSrrZga+e?)r r|rrrrr7rrr rrrrr)rtalpharrs r#test_adapthist_alphar s  DN,, - -C GSYq\39Q<0 > > >E )S%L ! !C)#..G =CI % % % % aaaBQBh-C+C00J 9 % % % %W55wBBB+J@@&!LLLLLr+c,tjtj}t |}d}tj|dd|dd|f}t j|g|jd|zz}tj |dd}tj |dd}|j|jksJ|j|jksJt j t j |||jddzz dksJd S) z Test for n-dimensional consistency with float images Note: Currently if img.ndim == 3, img.shape[2] > 4 must hold for the image not to be interpreted as a color image by @adapt_rgb rrr3g?)rrrZrN) r r|rrr rrr7r rmeanabs)rtaimg2dimg3d adapted2d adapted3ds r#test_adapthist_grayscale_NdrsE  DN,, - -C 3--C A  c!Bq&!Bq&.1 2 2E HeW !  12 3 3E+E897;===I+E897;===I ;)/ ) ) ) ) ;)/ ) ) ) ) 726)%ioa&8A&=>?@@ A ACG H H H H H Hr+ctjd}|dz }|tj}t j|d}tj|tj|ksJtjd}|dz }|tj}t j|d}tj|tj|ksJdS)z(Test constant image, float and uint rrZrSrN) rr[r}rr rrUrVr)rtrs r#test_adapthist_constantrs (6  C1HC **RY  C)#q11G 6'??bfWoo - - - - (6  C3JC **RZ C)#q11G 6'??bfWoo - - - - - -r+cttjtj}|dz}d||jddz|jddzf<d}t dddD]m}tj||d }t|d d |f|d d |fd ksJt||d d f||d d fd ksJnd S) zTest border processing gY@rrrZr'rrGrPrNr) r r r|rrr7r6r rr)rt border_indexrrs r#test_adapthist_bordersrs$ 4$T^%5%566 7 7C4KC02C ! 39Q<1,,-LRQ''?? -c;3OOO"7111l?#;#&qqq,#799;>????#7<?#;#&|QQQ#799;>????? ??r+cDtj}tj|}t j|d}t j|d}t ||t j|d}t j|d}t ||dS)Nrrr')rmoonr r|r rr)img_uimg_f img_clahe0 img_clahe1s r#test_adapthist_clip_limitr#s IKKE  e $ $E,UqAAAJ,UqAAAJz:...,UqAAAJ,UqAAAJz:.....r+c|jdkrBt|t|}}tj|}tj|}d|jz t j||z z}t|j j \}}dt j ||z zS)zPeak signal to noise ratio of two images Parameters ---------- img1 : array-like img2 : array-like Returns ------- peak_snr : float Peak signal to noise ratio rSrr) ndimr r{r r|sizersquaresumr rtypelog)img1img2msermax_s r#rr+s yA~~diikk**HTYY[[,A,Ad  T " "D  T " "D ty.29TD[115577 7C$*/*GAt tcz"" ""r+c|jdkrt|t|}}tj||z }|t |jjdz }|S)zNormalized Absolute Mean Brightness Error between two images Parameters ---------- img1 : array-like img2 : array-like Returns ------- norm_brightness_error : float Normalized absolute mean brightness error rSr')r%r rrr r rr))r+r,ambenbes r#rrAse yA~~d^^Xd^^d 6$))++ + , ,D TZ_-a0 0C Jr+ctjddg}tj|d}|j|jksJdS)"Check that the shape is maintainedr'g?N)rrr adjust_gammar7)rtresults r#test_adjust_gamma_1x1_shaper6Xs@ '1a&//C  "3 , ,F 9 $ $ $ $ $ $r+ctjddtjd}t j|d}t ||dS)z4Same image should be returned for gamma equal to onerr;rr9r'N)rr)r=rr r4r)r^r5s r#test_adjust_gamma_oner:_sP IaBH - - - 5 5h ? ?E  "5! , ,Fvu%%%%%r+ctjddd|d}t j|d}|jj}t|t|d|j|jksJdS)z6White image should be returned for gamma equal to zerorrGrFrzr'N) rrandomuniformr}r r4rr)rr )rr^r5s r#test_adjust_gamma_zeror>fs I  af - - 4 4U 4 G GE  "5! , ,F K Ev{51!4555 <5; & & & & & &r+c"tjddtjd}tjgdtjd}t j|d}t||dS)z\Verifying the output with expected results for gamma correction with gamma equal to halfrr;rr8(rr9 $'*-0257:<>@BDFrIKMNPQSTVWYrM\]^`abrr&r4gijklmopqrstuvwyz{|}~rrArr}rBrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrCrCrDrDrrrrrrrrrrrrrrrrrrrrrrrrGrPNrr)r=rrr r4rr^r\r5s r#test_adjust_gamma_less_onerps IaBH - - - 5 5h ? ?Ex7778!h9(((8)0(9(99 < "5# . .Fvx(((((r+c"tjddtjd}tjgdtjd}t j|d}t||dS)z[Verifying the output with expected results for gamma correction with gamma equal to tworr;rr8(rrrrrrrrrrrrr'r'r'r'r'r'r'r'rZrZrZrZrZrZrSrSrSrSrrrrr3r3r3r3rrrrrrr rrr/r/ rrrr rrr r r9r9rrrrrrr@r@rrrArArrBrB!"#r rC%&r rD()rErE+,rF./rrG1rHr4rI6rJ8rrrK;rL=rM?rNArOCrPErQrrRJrSLrTrUOrVrWRrYUrZr[Xr\[r]r^r__rarbcrr4rchrdrfrgrhrirjrkrmrnrorqxrrrtrurwrrArryr{r|r~rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrCrrrrrrrrrrrrrrGrZNrrs r#test_adjust_gamma_greater_oner's IaBH - - - 5 5h ? ?Ex0')h10000180A0A1 4 "5! , ,Fvx(((((r+ctjdddtjd}t jt 5tj|dddddS#1swxYwYdS)NrrGrrr) rr)r=rrrrr r4r^s r#test_adjust_gamma_negativer*s Iaa * * 2 26 : :E z " "))eR((())))))))))))))))))sA11A58A5cdtjdtjz}tjt j|dddksJdS)NrGrrr'r)gammagain)rrr=rr r4)rts r#test_adjust_gamma_u8_overflowr.sP bh/// /C 6('13???3F G GGGGGGr+ctjddg|}tj|d}|j|jksJ|j|ksJdS)r3r'rN)rrr adjust_logr7rrrtr5s r#test_adjust_log_1x1_shaper2s\ '1a& & & &C  a ( (F 9 $ $ $ $ <5 r+c (tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|d}t||dS)z|Verifying the output with expected results for logarithmic correction with multiplier constant multiplier equal to unityrrGrr)rr3rr9rrrr )rrGrIrKrrPrRrT)rrZr"r#rr%rhrk)rorrrvrxr{rrr)rrrrrrrr)rrrrrrrr)rrrrrrrrC)rrrrrrrrrr'Nrr)r=rrr r0rrs r#test_adjust_logr5s Iaa * * 2 26 : :Ex0000000000000000000000002:<CCCH  * *Fvx(((((r+c *tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|dd}t||dS)zVerifying the output with expected results for inverse logarithmic correction with multiplier constant multiplier equal to unityrrGrr)rrZr3rrrrr)r@rrrBr r r rF)rGrrJrKrrrPH)rrrXr[rMr_rbr4)renrlrprsrwrr|)rBrrrrrrr)rrrrrrrr)rrrrDrrrrrr'TNr4rs r#test_adjust_inv_logr9s Iaa * * 2 26 : :Ex0000000000000000000000002:<CCCH 4 0 0Fvx(((((r+ctjddg|}tj|dd}|j|jksJ|j|ksJdS)r3r'rr3N)rrr adjust_sigmoidr7rr1s r#test_adjust_sigmoid_1x1_shaper<s^ '1a& & & &C  $S!Q / /F 9 $ $ $ $ <5 r+c *tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|dd}t||dS)zlVerifying the output with expected results for sigmoid correction with cutoff equal to one and gain of 5rrGrr)r'r'r'rZrZrZrZrZ)rSrSrSrrrr3r3)r3rrrrrrr/)r/rrrrr r9r)rrrrrrrrB)rrCrDr rrrHr)rrrNrPr7rrVr )r\r_r$r%rgrkrprtrr'r3Nrr)r=rrr r;rrs r#test_adjust_sigmoid_cutoff_oner?s Iaa * * 2 26 : :Ex0000000000000000000000002:<CCCH $UAq 1 1Fvx(((((r+c *tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|dd }t||d S)znVerifying the output with expected results for sigmoid correction with cutoff equal to zero and gain of 10rrGrr)rrrrrrrr)rrrrrrrDr)rrrrrrrrrrrrrrrr)rrrrrrrr)rrrrrrrrrr/Nr>rs r#test_adjust_sigmoid_cutoff_zerorBs Iaa * * 2 26 : :Ex0000000000000000000000002:<CCCH $UAr 2 2Fvx(((((r+c *tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|dd}t||dS)znVerifying the output with expected results for sigmoid correction with cutoff equal to half and gain of 10rrGrr)r'r'rZrZrSrSrr3)r3rrrr/rrr9)rrrrrrDrrH)rrNr7rVr\r$rgrp)rArBrrrrrr)rrrrrrrDr)rrrrrrrrrArrPr/Nr>rs r#test_adjust_sigmoid_cutoff_halfrD&s Iaa * * 2 26 : :Ex0000000000000000000000002:<CCCH $UC 4 4Fvx(((((r+c ,tjdddtjd}tjgdgdgdgdgd gd gd gd gtj }t j|ddd}t||dS)zvVerifying the output with expected results for inverse sigmoid correction with cutoff equal to half and gain of 10rrGrr)rrrrrrrr)rrrrrrrr)rrrDrrrrr)rrrrrrrr~)rwrnrer`r[rUrQrM)rJrrr rrArr)rr9rrr/rrr)r3rrrSrSrZrZr'rrPr/TNr>rs r##test_adjust_inv_sigmoid_cutoff_halfrF8s Iaa * * 2 26 : :Ex0000000000000000000000002:<CCCH $UCT : :Fvx(((((r+ctjddd}tj|sJd|d<tj|sJtj|drJ|dztj}tj|sJtj|drJ|tjdz}tj|sJtj|drJdS) Nrg{Gz?rr'r)upper_percentilerGr;)rrHr is_low_contrastr}r=rr)s r#test_is_low_contrastrJJs K4 % %E  #E * ****E"I  #E * ****'DDDDDD S[  * *E  #E * ****'DDDDDD \\") $ $ ,E  #E * ****'DDDDDDDDr+ctjdt}tj|sJd|dd<tj|rJdS)Nrrr'r3)rr[boolr rIr)s r#test_is_low_contrast_booleanrMZsW HV4 ( ( (E  #E * ****E"1"I'.......r+ exposure_funcc tjddddtj}t jt5||ddddS#1swxYwYdS)Nrrrr)rr)rr}rrrr)rNr^s r#test_negative_inputrPes Ic3 " " * *6 2 2 9 9"* E EE z " " es A99A=A=c6tjddddlm}|t jddgddggd}t j|\}}gd }gd }t j||sJt j||sJdS) Ndaskz$dask python library is not installed)reasonrr'rZ)r'rZ)chunks)rr'rZ)r'rZr') r importorskip dask.arrayr from_arrayrr rallclose)da dask_array output_hist output_bins expected_bins expected_hists r#test_dask_histogramr_qs 'MNNNNrx!Q!Q(899&IIJ'1*==KIIMIIM ;}k 2 2222 ;}k 2 222222r+)srnumpyrr numpy.testingrrrrrskimagerr r skimage.colorr skimage.exposure.exposurer skimage.util.dtyper skimage._shared._warningsrskimage._shared.utilsrr$r*r-r1r9r>rErIrKmark parametrizerfloat32rrQrWr]r=int16rhr<seedcamerarkr|rqrrnrxr~rrsrrrrrrrrrrrrint32rrrrrrrrrrrrrrrrrr rrrr#rrr6r:r>rr'r*r.r2r5r9r<r?rBrDrFrJrMr4r0r;rPr_r+r#rps )))))))))))))) """"""555555******777777777777 MMM------'''''',,,,,,,,,,,,2:rz2:"FGG>>HG>2:rz2:"FGG''HG' ( ( ("'7);<<28RXrz"BCC44..54DC=<.: qt{}} 4 \ * * %8 %hmc&9 : :&&&2:rz2:"FGG;;HG; - - -. q!f q#h Bx1 &&  & . sCj r1g#s1 &&  & $$$    222000 2:rz2:"FGG$$HG$000 27BHbj"*#%:#/0033003"@@@ 444 444 444 ***/// ***--/?? ?2 "( 29 29 29 % +++ ***'''@@@2:rz2:"FGG F FHG FKKK$ M M MHHH> . . . ???* / / /###,.%%%&&&2:rz2:"FGG''HG'$)$)$)N ) ) )F))) HHH2:rz2:"FGG!!HG!)))$)))*2:rz2:"FGG!!HG!)))$)))$)))$)))$ E E E ///8+@+3+>+3+B+DEEEE33333r+