
    doiRG                        S SK r S SKrS SKrS SKJr  S SKJr  S SKrS SK	J
r
  S SKrS SKJr  S SKJrJrJrJrJrJrJr  S SKJr  S SKJr  S S	KJr  S S
KJrJrJ r J!r!J"r"J#r#J$r$  \RJ                  RL                  r&\RJ                  RN                  r'\RP                  " / SQ5      RS                  S5      r*\RP                  " SS/SS/SS/SS/SS/SS/SS/SS/SS/SS/SS//5      r+\RP                  " SS/SS/SS//5      r,\RP                  " SS/SS/SS//5      r-\RP                  " / S Q5      r.\!" \5       " S! S"5      5       r/\!" \5       " S# S$5      5       r0\!" \\5       " S% S&5      5       r1g)'    N)deepcopyLock)assert_array_equal)raises)kmeanskmeans2py_vqvqwhitenClusterError
_krandinit)_vq)matrix)array_api_extra)SCIPY_ARRAY_APIeager_warnsis_lazy_arraymake_xp_test_casexp_copyxp_assert_closexp_assert_equal(  ggQ?Gz
ףp=
?gRQ gQ@gQgffffff?333333g)\(@zG(\?gGzgQ
@RQgffffff@gQg
ףp=
ףp=
gQ@g      q=
ףp@皙gHzG@g
ףp=
g333333@gQgQ?\(\gQ@gGzzG@g=
ףp={Gz?g      皙@gQg      ?\(\g\(\	@QgQ?=
ףp=gHzGѿ(\ gr'   gq=
ףp?g(\gp=
ף@QgQ?g\(\ףp=
@gQg)\(@gp=
ף Q@g=
ףp=g(\@gQ gp=
ף?gq=
ףpgQ?      )\(?r-   g)\( @g=
ףp=r#   =
ףp= g\(\@gGzg333333?ףp=
g(\ҿr&   gGz	@gffffffgGz?gQgGz?(\r+   g(\gGz@gffffff(\?gQQgzG\(\@\(\g(\@皙g      @r!   (\?g)\(gQ@gp=
ףg=
ףp=?gp=
ף @g(\g(\?GzgQ@gQg\(\@gp=
ף
Q@{Gz gp=
ףg
@Qgffffff@zGg?
ףp=
?g=
ףp=Q?r;   gRQ?Qg)\(?gQg)\(@gRQgQ@r   gQ@p=
ףgRQؿr6   gQ@
ףp=
g\(\?r=   g=
ףp=?q=
ףp      ?333333?r!   Q@r   gHzG@g333333gףp=
@gGzg)\(@r5   g333333?r;   g\(\?gRQg(\ @r/   rH   gףp=
	rI   r8   g
ףp=
?gQg?Qg\(\@q=
ףpgq=
ףp@r!   g\(\g(\r<   g?g)\(gQ	@gGzg?g\(\gQ@ffffff      @r-   \(\?g=
ףp=
g
ףp=
@ףp=
r.   HzGgQ?Qg
ףp=
?r0   g(\?r   gףp=
rL   (\?g{Gzg@gRQgQ@gQrA   g
ףp=
Gz@gr%   g(\gHzG@gGz gGzp=
ףrT   g
ףp=
gp=
ףg      gQ@rR   gq=
ףp?rM   gGz@rQ   g{Gz?gQۿgp=
ף?g\(\gHzG@g      g(\r?   r   gq=
ףpg333333?gzG r4   {GzQ? gQ{Gz=
ףp=@g)\(gp=
ף
@gQr#   gq=
ףpg
ףp=
r(   gHzG?(\g
ףp=
?gQ	g333333?rE   r$   g)\(gzG@gQg(\	@QrF   r>   gQ	@r[   g{Gz?rK   r7   r5   gffffff@r   gGz@r/   rN   g(\g333333rB   gHzG?rG   gffffff?gffffffgRQ?gQgq=
ףp?      g(\@r9   g{Gz@ggGz?gHzGgQr*   r2   g333333r:   gq=
ףpgffffff?g
ףp=
rN   r)   gףp=
@g333333g\(\@gGzgףp=
?g\(\rW   g)\(g
ףp=
@grZ   gffffff=
ףp=@gg?r1   g      @g      gGz@p=
ףr:   gGzr    gHzGgGz?gףp=
rC   rY   g(\@gGz
rS   gQgGz@gGzgRQ@r   g
ףp=
?(\g{Gz?rX         ?Qr^   gHzGgQ@rR   gGz?r   g)\(̿rb   g333333?gzGr4   gQg{Gz@RQg333333@rU   {Gz
@gzGg@g
ףp=
r,   g)\( gGz?r_   gQ?r3   g{Gz@rP   rc   r\   rW   r9   g{GzĿg=
ףp=gQrJ   gffffff?rV   rd   rR   g?gGzrO   rD   g(\?r   g\(\?r`   r   r"   rT   g(\gzG @      g      @      rg   	               g@      @g333333@r@   gUUUUUU@gUUUUUU@g      @g      @g      @rF   )r   rl   rg   rg   rg   rg   rl   rg   rl   rl   rl   c                   $   \ rS rSrS rS r\R                  R                  S5      \R                  R                  S\
R                  \
R                  \
R                  * /5      S 5       5       r\R                  R                  \SS9S	 5       rS
rg)
TestWhitenR   c                     UR                  SS/SS/SS/SS/S	S
//5      nUR                  SS/SS/SS/SS/SS//5      n[        [        U5      USS9  g )N&cJ^|Y@g`q@ս	@g}&?J?UH~
@g?K=E@gFMp?|H@gH|?cw&?gbA|?D=?k2?'B?);"~?|d=?z?|?Ry?h㈵>rtol)asarrayr   r   )selfxpdesiredobss       W/var/www/html/land-ocr/venv/lib/python3.13/site-packages/scipy/cluster/tests/test_vq.pytest_whitenTestWhiten.test_whitenU   s    **z:6'4'4'4'4	6 7 jj:z2%z2%z2%z2%z2	4 5
 	sW48    c                     UR                  / SQ/ SQ/ SQ/5      nUR                  / SQ/ SQ/ SQ/5      n[        [        SUS9   [        U5      nS S S 5        [	        WUS	S
9  g ! , (       d  f       N= f)N)        ra   gJJ@)r   ra   g I 1?)r   ra   gKX@)r   ra   g/?)r   ra   g@?)r   ra   g?zSome columns have standard...)matchr   r   r   )r   r   RuntimeWarningr   r   )r   r   r   r   actuals        r   test_whiten_zero_stdTestWhiten.test_whiten_zero_stdc   sq    **3335 6 jj...0 1 /NSUVC[F Wd3 WVs   A$$
A2z4ignore:invalid value encountered:RuntimeWarning:dask	bad_valuec                    UR                  SU/SS/SS/SS/SS	//5      n[        U5      (       a{  UR                  S
[        R                  /S[        R                  /S[        R                  /S[        R                  /S[        R                  //5      n[	        [        U5      USS9  g [        [        [
        U5        g )Nry   rz   r{   r|   r}   r~   r   r   r   rt   ru   rv   rw   rx   r   r   )r   r   mathnanr   r   assert_raises
ValueError)r   r   r   r   r   s        r   test_whiten_not_finite!TestWhiten.test_whiten_not_finitep   s     jj:y1%z2%z2%z2%z2	4 5 jj:txx"8#-txx"8#-txx"8#-txx"8#-txx"8	": ;G
 F3Kt<*fc2r   )`np.matrix` unsupported in array API modereasonc           	          [         R                  [         R                  [         R                  * 4 H2  n[        SU/SS/SS/SS/SS	//5      n[	        [
        [        U5        M4     g )
Nry   rz   r{   r|   r}   r~   r   r   r   )npr   infr   r   r   r   )r   r   r   s      r   test_whiten_not_finite_matrix(TestWhiten.test_whiten_not_finite_matrix   sg     "&&0I:y1%z2%z2%z2%z2	4 5C
 *fc2 1r    N)__name__
__module____qualname____firstlineno__r   r   pytestmarkfilterwarningsparametrizer   r   r   r   skipifr   r   __static_attributes__r   r   r   rq   rq   R   s    94 [[ VW[[[488TXXy*IJ3 K X3" [[J  L3L3r   rq   c                       \ rS rSrS r\R                  R                  \SS9S 5       r	S r
\R                  R                  \SS9S 5       rS rS	 rS
 rS rS rSrg)TestVq   c                    [         R                  " [        S   /[        S   /[        S   //5      n[        UR	                  [        5      UR	                  U5      5      S   n[        X1R	                  [        UR                  S9SS9  g )Nr   rl   rg   dtypeFcheck_dtype)r   concatenateXr
   r   r   LABEL1int64)r   r   initclabel1s       r   
test_py_vqTestVq.test_py_vq   si    11178rzz!}bjj&78;

6
 B$)	+r   r   r   c                     [         R                  " [        S   /[        S   /[        S   //5      n[        [	        [        5      [	        U5      5      S   n[        U[        5        g Nr   rl   rg   )r   r   r   r
   r   r   r   )r   r   r   s      r   test_py_vq_matrixTestVq.test_py_vq_matrix   sN     11178vay&-0366*r   c                 "   [         R                  " [        S   /[        S   /[        S   //5      n[        R                  " [        U5      u  p4[        U[        5        [	        UR                  [        5      UR                  U5      5      u    ng r   )r   r   r   r   r   r   r   r   )r   r   r   r   _s        r   test_vqTestVq.test_vq   sf    11178FF1e$	66*"**Q-E!231r   c                 .   [         R                  " [        S   /[        S   /[        S   //5      n[        R                  " [        [        5      [        U5      5      u  p#[        U[        5        [	        [        [        5      [        U5      5      u    ng r   )r   r   r   r   r   r   r   r   )r   r   r   r   s       r   test_vq_matrixTestVq.test_vq_matrix   sg     11178FF6!9fUm4	66*&)VE]+1r   c                    [         S S 2S4   nUS S n[        R                  " X#5      u  pEUR                  U5      nUR                  U5      n[	        US S 2[
        R                  4   US S 2[
        R                  4   5      u  pg[        XaR                  XAR                  S9SS9  [        XqR                  U5      5        g )Nr   rh   r   Fr   )	r   r   r   r   r
   r   newaxisr   r   )r   r   datar   abtatbs           r   
test_vq_1dTestVq.test_vq_1d   s    AwRavvd"zz$

5!tArzzM*E!RZZ-,@AJJqJ9uMJJqM*r   c                     [         R                  " SS/5      nUR                  [         R                  5      n[	        [
        [        R                  X5        g )Nra   g       @)r   r   astypefloat32r   	TypeErrorr   r   )r   r   r   s      r   test__vq_sametypeTestVq.test__vq_sametype   s6    JJSz"HHRZZ i.r   c                 x    [         R                  " SS/[        S9n[        [        [
        R                  X5        g )Nrl   rg   r   )r   r   intr   r   r   r   )r   r   s     r   test__vq_invalid_typeTestVq.test__vq_invalid_type   s&    JJ1vS)i.r   c                    [         R                  R                  SS5      n[         R                  R                  SS5      n[        R                  " X#5      u  pE[        UR                  U5      UR                  U5      5      u  pg[        XqR                  U5      SS9  [        XaR                  XAR                  S9SS9  UR                  [         R                  5      nUR                  [         R                  5      n[        R                  " X#5      u  pE[        UR                  U5      UR                  U5      5      u  pg[        XqR                  XQR                  S9SS9  [        XaR                  XAR                  S9SS9  g )N   rh   r   r   r   Fr   )r   randomrandr   r   r
   r   r   r   r   r   r   float64r   r   r   	code_bookcodes0dis0codes1dis1s           r   test_vq_large_nfeatTestVq.test_vq_large_nfeat   s   IINN2r"IINN1b)	vva+JJqM2::i0
 	jj.T:

6
 BPUVHHRZZ $$RZZ0	vva+JJqM2::i0
 	jjZZj@tL

6
 BPUVr   c                    [         R                  R                  SS5      S-  n[         R                  R                  SS5      S-  n[        R                  " X#5      u  pE[        UR                  U5      UR                  U5      5      u  pg[        XqR                  U5      SS9  [        XaR                  XAR                  S9SS	9  g )
N
   rk   i@B rg   r   r   r   Fr   )
r   r   r   r   r   r
   r   r   r   r   r   s           r   test_vq_large_featuresTestVq.test_vq_large_features   s    IINN2q!G+IINN1a(72	vva+JJqM2::i0
 	jj.T:

6
 BPUVr   r   N)r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r      s    + [[J  L+L+4 [[J  L,L,
+/
/W.
Wr   r   c                      \ rS rSrS rS r\R                  R                  \	SS9S 5       r
S rS r\R                  R                  \	SS9S	 5       rS
 rS rS rS r\R$                  S 5       r\" SSS9\R                  R                  \R,                  S:H  SS9S 5       5       rS rS rS rS rS rS rS rSrg)
TestKMeans   c                 (   SnSn[         R                  R                  U5      n[         R                  R                  U5      nS[         R                  R                  X25      -  SU-  -
  nS[         R                  R                  X25      -  SU-  -   n[         R                  " UR                  S   UR                  S   -   U4[         R
                  5      nXhS UR                  S   & XxUR                  S   S & [        UR                  U5      SSS9  g )	Ni,  d   i'  i N  r   rg   rl   seed)r   r   randnemptyshaper   r   r   )	r   r   dnm1m2xyr   s	            r   test_large_featuresTestKMeans.test_large_features   s     YY__QYY__QBIIOOA))EBJ6BIIOOA))EBJ6xxaggaj0!4bjjA[aggajQWWQZ[ 	rzz$+r   c                 B   [         R                  R                  S5      n[         R                  " [        S   /[        S   /[        S   //5      n[        UR                  [        5      UR                  U5      SUS9S   n[        XAR                  [        5      5        g Ni1  r   rl   rg   iterrng)	r   r   default_rngr   r   r   r   r   CODET2)r   r   r  r   code1s        r   test_kmeans_simpleTestKMeans.test_kmeans_simple   st    ii##E*11178rzz!}bjj&7aSI!Lzz&12r   r   r   c                    [         R                  R                  S5      n[         R                  " [        S   /[        S   /[        S   //5      n[        [        [        5      [        U5      SUS9S   n[        U[        5        g r  )	r   r   r  r   r   r   r   r   r  )r   r  r   r  s       r   test_kmeans_simple_matrix$TestKMeans.test_kmeans_simple_matrix  sf     ii##E*11178vay&-aSA!Dv&r   c                 J   UR                  [        5      nUR                  SS/SS/SS//5      n[        X#5        [        R                  " 5          [        R
                  " SS[        5        [        X#S	S
9  S S S 5        [        [        [        X#SS
9  g ! , (       d  f       N#= f)Ng5 g!{gL^ @g͛`d?g8}g?kignorezKOne of the clusters is empty. Re-run kmeans with a different initializationwarn)missingraise)
r   TESTDATA_2Dr   warningscatch_warningsr   UserWarningr	   r   r   )r   r   r   initks       r   test_kmeans_lost_cluster#TestKMeans.test_kmeans_lost_cluster  s    zz+&

Z5'4(+68 9 	t$$&##"	 D0 ' 	lGT'J '&s   'B
B"c                 $   [         R                  R                  S5      nUR                  [         R                  " [
        S   /[
        S   /[
        S   //5      5      n[        (       a  UR                  /O[         R                  [        /nU H}  n[        U" [
        5      U" U5      SUS9S   n[        U" [
        5      U" U5      SUS9S   n[        XaR                  [        5      5        [        XqR                  [        5      5        M     g NNa r   rl   rg   r  )r   r   r  r   r   r   r   r   r	   r   CODET1r  )r   r   r  r   arraystpr  code2s           r   test_kmeans2_simpleTestKMeans.test_kmeans2_simple   s    ii##H-

2>>AaD6AaD6AaD6*BCD!0"**rzz66JBBqE2e91#>qAEBqE2e91#>qAEE::f#56E::f#56 r   c                 x   [         R                  R                  S5      n[         R                  " [        S   /[        S   /[        S   //5      n[        [        [        5      [        U5      SUS9S   n[        [        [        5      [        U5      SUS9S   n[        U[        5        [        U[        5        g r  )
r   r   r  r   r   r	   r   r   r  r  )r   r  r   r  r   s        r   test_kmeans2_simple_matrix%TestKMeans.test_kmeans2_simple_matrix+  s     ii##H-11178q	6%=qcB1Eq	6%=qcB1Ev&v&r   c                     UR                  [        5      nUS S 2S4   nUS S n[        XAS9n[        X5SSS9S     [        X5SS9S     g )Nr   rh   r   rl   )r  r   rg   r  )r   r  r   r	   )r   r   r   data1r   codes         r   test_kmeans2_rank1TestKMeans.test_kmeans2_rank16  sT    zz+&QT
bq	u$ 	!!,Q/!$Q'r   c                 V    UR                  [        5      nUS S 2S4   n[        USSS9  g )Nr   rg   rl   r(  )r   r  r	   )r   r   r   r)  s       r   test_kmeans2_rank1_2TestKMeans.test_kmeans2_rank1_2A  s)    zz+&QT
qq!r   c                 |    UR                  [        5      nUR                  US5      S S2S S 24   n[        US5        g )Nr   r   r   rg   )r   r  reshaper	   )r   r   r   s      r   test_kmeans2_high_dim TestKMeans.test_kmeans2_high_dimF  s9     zz+&zz$)#2#q&1ar   c                    [         R                  R                  S5      nUR                  [        5      nSn[        X4SUS9  [        US S 2S4   USUS9  [        X4SUS9  [        US S 2S4   USUS9  [        R                  " 5          [        R                  " SS5        [        X4S	US9  [        US S 2S4   US	US9  S S S 5        g ! , (       d  f       g = f)
Nr  rh   pointsminitr  rl   ++r  z%One of the clusters is empty. Re-run.r   )	r   r   r  r   r  r	   r  r  r   )r   r   r  r   ks        r   test_kmeans2_initTestKMeans.test_kmeans2_initM  s    ii##H-zz+&xS1QT
AX37t-QT
ATs3 $$&##H.UVD85DAJs; '&&s   6C
Cc                     [        5       $ )Nr   )r   s    r   
krand_lockTestKMeans.krand_lock^  s	    vr   z
dask.arrayzWrong answerwin32zFails with MemoryError in Wine.c                    UR                  [        5      nUR                  US5      UR                  US5      S S2S S 24   /n[        S5      nU   U Hv  n[        R
                  R                  S5      n[        X5Xa5      n[        R                  " UR                  US9n[        R                  " UR                  US9n	[        XSS9  Mx     S S S 5        g ! , (       d  f       g = f)	Nre   r1  r   g    .A  r'  gI+?)atol)r   r  r2  r   r   r   r  r   xpxcovTr   )
r   r   r>  r   datasr:  r  initorig_covinit_covs
             r   test_krandinitTestKMeans.test_krandinitb  s     zz+&D(+D(+CRCF35Hii++D1!$3377466b177466b1@  ZZs   A=C
C$c                 N    [        [        [        UR                  / 5      S5        g )Nrg   )r   r   r	   r   r   r   s     r   test_kmeans2_emptyTestKMeans.test_kmeans2_emptyr  s    j'2::b>1=r   c                    [        [        [        UR                  [        5      S5        [        [        [
        UR                  [        5      S5        [        [        [
        UR                  [        5      UR                  / 5      5        g )Nr   )r   r   r   r   r   r	   rN  s     r   test_kmeans_0kTestKMeans.test_kmeans_0kv  sL    j&"**Q-;j'2::a=!<j'2::a="**R.Ir   c                     UR                  / SQUR                  S9n[        USSS9n[        US   UR                  S/UR                  S95        [        US   UR                  SUR                  S9S	   5        g )
N)rl   rg   rh   ri   r   r   rl   g 7yAC)threshr   ro   g333333@r   r   r   r   r   )r   r   r   ress       r   test_kmeans_large_thres"TestKMeans.test_kmeans_large_thres|  sn    JJ'rzzJ:Q$'A

B4rzz
 BCA

+=RZZ
 PQS TUr   c                     [         R                  R                  S5      nUR                  SS/SS//UR                  S9n[        UR                  [        5      SSUS	9u  pE[        XC5        g )
Nl   C.t gC:g>g#~j?g'1:	g-'@r   rg   r9  r7  )r   r   r  r   r   r	   r  r   )r   r   r  prev_resrW  r   s         r   test_kmeans2_kpp_low_dim#TestKMeans.test_kmeans2_kpp_low_dim  si    ii##$78::U3 )624;=::  GK0!4SI&r   c           	      N   [         R                  R                  S5      nSnSn[         R                  " S[         R                  " U5      -  S[         R                  " U5      -  /5      n[         R                  " UR                  US   [         R                  " U5      US9UR                  US   [         R                  " U5      US9/5      nUR                  U5      n[        US	S
US9u  px[        UR                  U5      UR                  UR                  U5      5      5        g )Nl   <DM]4r   r   rk   r   )sizerl   rg   r9  r7  )r   r   r  vstackonesmultivariate_normaleyer   r	   r   sign)	r   r   r  n_dimr`  centersr   rW  r   s	            r   test_kmeans2_kpp_high_dim$TestKMeans.test_kmeans2_kpp_high_dim  s    ii##$56))Q/"''%.02 3 yy##GAJuD#I##GAJuD#I
 
 zz$q#6bggbjj.A&BCr   c                    UR                  / SQUR                  S9n[        X!R                  SS/5      5      n[        US   UR                  SS/UR                  S95        [        US   UR                  S	UR                  S9S
   5        g )N)r   rl   rl      r   r]   gGz?r   gٿg       @rl   g?r   rV  )r   r   r   rW  s       r   test_kmeans_diff_convergence'TestKMeans.test_kmeans_diff_convergence  sy    jj-RZZj@S**c4[12A

D2;bjj
 IJA

+=RZZ
 PQS TUr   c           	         S[         R                  R                  S5      [         R                  R                  S5      /nU H  n[	        U5      n[	        U5      nUR                  [        5      n[        USUS9u  px[        USUS9u  p[        Xy5        S H(  n
[        USXS9u  px[        USXS9u  p[        Xy5        M*     M     g )NrB  rg   r   )r   r6  r9  )r8  r   )
r   r   RandomStater  r   r   r  r   r   r	   )r   r   	seed_listr   seed1seed2r   res1r   res2r8  s              r   #test_kmeans_and_kmeans2_random_seed.TestKMeans.test_kmeans_and_kmeans2_random_seed  s     "))''-ryy/D/DT/J
	 DTNETNE::k*DT151GDT151GDD'3!$C!$C+ 4 r   r   N) r   r   r   r   r   r	  r   r   r   r   r  r  r!  r$  r+  r.  r3  r;  fixturer>  xfail_xp_backendssysplatformrK  rO  rR  rX  r\  rh  rn  rw  r   r   r   r   r   r      s   ,$3 [[J  L'L'K&	7 [[J  L'L'	("
<" ^^  |N;[[/@  BAB <A>JV'D"V,r   r   )2r   r{  r  copyr   	threadingr   numpyr   numpy.testingr   r   r   r   scipy.cluster.vqr   r	   r
   r   r   r   r   scipy.clusterr   scipy.sparse._sputilsr   
scipy._libr   rD  scipy._lib._array_apir   r   r   r   r   r   r   r   rz  skip_xp_backendsarrayr2  r  r   r  r  r   rq   r   r   r   r   r   <module>r     s    
     ,  *8 8 8  ( -  
 KK11 ;;// hh %
 %J 78K R HHsAhAA!fq!fq!fq!f!fq!fq!fq!f. / 
FF#F#F#% 
& 
FE?F#F#% 
& 
3	4 693 93 93x 2UW UW UWt 67#J, J, $J,r   