o
    :ήcVW                     @   s  d dl Zd dlZd dlmZ d dlmZ d dlmZ d dl	m
Z
mZ d dlmZ d dlmZ dZd	Zed
 e Zeejedk rFdZndZdBddZdCddZedejejejgdd Zedejejejgdd Zedejejejgdd Zedejejejgdd Zdd Z dd Z!dd Z"d d! Z#edejejgd"d# Z$d$d% Z%ed&g d'edejejgd(d) Z&d*d+ Z'edejejgd,d- Z(d.d/ Z)e
ed0d1d2d3 Z*d4d5 Z+d6d7 Z,d8d9 Z-d:d; Z.d<d= Z/d>d? Z0d@dA Z1dS )D    N)version)testing)expected_warnings)xfailarch32)random_walker)resizeznumpy.linalg.matrix_rank|\A\Zz
pyamg|\A\Z|z1.3zmatrix subclassc                 C   sT  |d u r| }t jd t | |fdt j| |  }t| d }d|| d | | d | |d | |d | f< dt jd| d d| d  || d | d | d | d |d | d |d | d f< d|| d | |d |d  |d |d  f< t |}d|| d |d f< d|| d |d  |d |d  f< ||fS 	Ni  皙?         r         )nprandomseedzerosrandnint
zeros_like)lxlydatasmall_lseeds r   T/tmp/pip-target-vg8gfxp4/lib/python/skimage/segmentation/tests/test_random_walker.pymake_2d_syntheticdata   s$      0
$r   c                 C   s  |d u r| }|d u r| }t jd t | ||fdt j| ||  }t| d }d|| d | | d | |d | |d | |d | |d | f< d|| d | d | d | d |d | d |d | d |d | d |d | d f< t d|d g}d|| d | |d | |d | |d | |d | f< t |}d|| d |d |d f< d|| d |d  |d |d  |d |d  f< ||fS r
   )r   r   r   r   r   r   maxr   )r   r   lzr   r   	hole_sizer   r   r   r   make_3d_syntheticdata)   s>   $ 
r#   dtypec                 C   s  d}d}| t jkrdnd}t||\}}|j| dd}ttg t|||dd}W d    n1 s3w   Y  |dd	d
df dk sHJ |j|jksPJ ttg t|||ddd}W d    n1 siw   Y  |ddd	d
df |ddd	d
df k sJ |j|jksJ d|d< ttg t|||ddd}W d    n1 sw   Y  |ddd	d
df |ddd	d
df k sJ t	|dksJ |j|jksJ d S )NF   d   Z      Fcopybfbetamode-   (   <   r   Tr-   r.   return_full_probr   r      )7   P   )
r   float64r   astyper   NUMPY_MATRIX_WARNINGr   allshapelen)r$   r   r   r-   r   labels	labels_bffull_prob_bfr   r   r   
test_2d_bfD   sD    

r@   c                 C   s"  d}d}t ||\}}|j| dd}tdt tg t||ddd}W d    n1 s-w   Y  |d	d
ddf dk sBJ |j|jksJJ tdt tg t||dddd}W d    n1 sfw   Y  |dd	d
ddf |dd	d
ddf k sJ |j|jksJ ||fS )Nr%   r&   Fr)   
"cg" mode|r'   cgr,   r(   r/   r0   r1   r   Tr2   r   r   )r   r8   r   SCIPY_RANK_WARNINGr9   r   r:   r;   r$   r   r   r   r=   	labels_cg	full_probr   r   r   
test_2d_cgc   s2    
rG   c                 C   s  d}d}t ||\}}|j| dd}dt tg}t| t||ddd}W d    n1 s/w   Y  |d	d
ddf dk sDJ |j|jksLJ t| t||dddd}W d    n1 sdw   Y  |dd	d
ddf |dd	d
ddf k sJ |j|jksJ ||fS )Nr%   r&   Fr)   zscipy.sparse.sparsetools|%sr'   cg_mgr,   r(   r/   r0   r1   r   Tr2   r   r   )r   r8   PYAMG_OR_SCIPY_WARNINGr9   r   r   r:   r;   )r$   r   r   r   r=   anticipated_warningslabels_cg_mgrF   r   r   r   test_2d_cg_mgx   s0   
 

rL   c                 C   s  d}d}t ||\}}|j| dd}ttg t||ddd}W d    n1 s*w   Y  |dd	d
df dk s?J |j|jksGJ ttg t||dddd}W d    n1 s`w   Y  |ddd	d
df |ddd	d
df k sJ |j|jksJ d S )Nr%   r&   Fr)   r'   cg_jr,   r(   r/   r0   r1   r   Tr2   r   r   )r   r8   r   r9   r   r:   r;   rD   r   r   r   test_2d_cg_j   s(    
rN   c                  C   s   d} d}t | |\}}d||   | |   }|tj}tttg t	||ddd}W d    n1 s:w   Y  |ddd	d
f dk
 sOJ |j|jksWJ ||fS )Nr%   r&      r'   rH   r,   r(   r/   r0   r1   r   )r   minr    r8   r   uint8r   rI   r9   r   r:   r;   )r   r   r   r=   rK   r   r   r   
test_types   s     rR   c                  C   s   d} d}t | |\}}d||dk< ttg t||ddd}W d    n1 s)w   Y  |dd	d
df dk s>J |j|jksFJ ||fS )Nr%   r&   r   r   r'   r+   r,   r(   r/   r0   r1   )r   r   r9   r   r:   r;   )r   r   r   r=   r>   r   r   r   test_reorder_labels   s    rS   c                  C   s   d} d}t | |\}}d|ddddf< d|ddd	d
f< ttg t||dd}W d    n1 s6w   Y  || |fddddf dk sPJ |j|jksXJ ||fS )Nr%   r&   
      .   2   !   &   r'   r-   r(   r/   r0   r1   r   )r   r   r9   r   reshaper:   r;   )r   r   r   r=   r   r   r   test_2d_inactive   s   *r^   c                  C   sx   t g dg dg dg} t g dg dg dg}t g dg dg dg}t| |d	d
}t j|| | |fS )N)i2  i1  i1  )iS2  iq4  i#/  )i.  i.  i0  )r   rT   r   )r   rT   r   )r   r   rT   )r   rT   r   )r   r   rT   rU   r\   )r   asarrayr   r   assert_array_equal)r   markersexpected_labelsr=   r   r   r   test_2d_laplacian_size   s   


rc   c                 C   s   d}|||}}}t |||\}}|j| dd}tdt tg t||dd}W d    n1 s3w   Y  ||jddddddf d	k sOJ |j|jksWJ ||fS )
N   Fr)   rA   rB   r.         r   )	r#   r8   r   rC   r9   r   r]   r;   r:   )r$   nr   r   r!   r   r=   r   r   r   test_3d   s   .ri   c                  C   s   d} | | | }}}t |||\}}t|}d|ddddddf< t|}tdt tg t||dd	}W d    n1 sCw   Y  ||jd
dd
dd
df dk	 s_J |j|jksgJ ||||fS )Nrd   rT   r   r(         z"cg" mode|CObject type|rB   re   rf   rg   r   )
r#   r   r*   r   rC   r9   r   r]   r;   r:   )rh   r   r   r!   r   r=   
old_labelsafter_labelsr   r   r   test_3d_inactive   s    

.rn   channel_axis)r   r   rT   c                 C   s8  d\}}t ||\}}|j| dd}|dtjf jddd}t|d|}tdt td	g t	||d
|d}W d    n1 sAw   Y  t||d}|d j
|j
ksWJ tdt tg t	|d |d
d}W d    n1 ssw   Y  ||j
ddddf dk sJ |d j
|j
ksJ ||||fS )Nr%   r&   Fr)   .r   rT   axisrA    The probability range is outsiderB   r.   ro   .r   re   r(   r/   r0   r1   )r   r8   r   newaxisrepeatmoveaxisr   rC   r9   r   r;   r]   r:   )r$   ro   r   r   r   r=   multi_labelssingle_labelsr   r   r   test_multispectral_2d   s.   (r{   c               	   C   sl  d\} }t | |\}}|dtjf jddd}tdt dtdg t||d	d
d}W d    n1 s4w   Y  |d j|jksCJ tdt dtdg t||dd	dd
d
}W d    n1 sbw   Y  |d j|jksqJ tdt tg t|d |d	d}W d    n1 sw   Y  |	|jddddf dk
 sJ |d j|jksJ ||||fS )Nrp   .r   rT   rq   rA   z'`multichannel` is a deprecated argumentrs   rB   T)r.   multichannelru   z%Providing the `multichannel` argument   gMbP?re   r(   r/   r0   r1   )r   r   rv   rw   r   rC   r9   r   r;   r]   r:   )r   r   r   r=   ry   rz   r   r   r    test_multispectral_2d_deprecated  s>   (r~   c           	      C   s\  d}|||}}}t |||\}}|j| dd}|dtjf jddd}tdt tg t||d	dd
}W d    n1 s@w   Y  |d j	|j	ksOJ tdt tg t|d |d	d}W d    n1 skw   Y  |
|j	ddddddf dk sJ |
|j	ddddddf dk sJ |d j	|j	ksJ ||||fS )Nrd   Fr)   .r   rT   rq   rA   rB   rt   ru   re   rf   rg   )r#   r8   r   rv   rw   r   rC   r9   r   r;   r]   r:   )	r$   rh   r   r   r!   r   r=   ry   rz   r   r   r   test_multispectral_3d-  s(   ..r   c                  C   s@  d} | | | }}}t |||\}}t| | | d f}t|D ]\}}t|| | d fddd||d d d d f< q t|d }	t|}
d|
|d |d |d f< d|
|d |	d  |d |	d  |d |	d	  f< td
t t	g t
||
ddd}
W d    n1 sw   Y  |
ddddddf dk sJ d S )Nrd   r   constantFr.   anti_aliasingr   r   r   r   rA   rB   )      ?r   g      ?r.   spacingrf   rg      	   )r#   r   r   	enumerater   r   r   r   rC   r9   r   r:   )rh   r   r   r!   r   _
data_anisoiyzr   labels_anisor   r   r   test_spacing_0A  s2   
*r   zKnown test failure on 32-bit platforms. See links for details: https://github.com/scikit-image/scikit-image/issues/3091 https://github.com/scikit-image/scikit-image/issues/3092)	conditionreasonc                  C   sh  d} | | | }}}t |||\}}t| | d | f}t|D ]\}}t|| d | fddd||d d d d f< q t|d }	t|}
d|
|d |d |d f< d|
|d |	d  ||	d  |d |	d  f< td	t t	g t
||
d
dd}
W d    n1 sw   Y  |
ddddddf dk sJ t| | d | f}t|jd D ] }t|d d dd d f | d | fddd||d d d d f< qt|d }	t|}d||d |d |d f< d|||	d  |d |	d  |d |	d  f< td	t t	g t
||d
dd}W d    n	1 sw   Y  |ddddddf dk s2J d S )Nrd   r   r   Fr   r   r   r   rA   rB   )r          @r   r   rf   rg   rj   "   )r   r   r   )r#   r   r   r   r   r   r   r   rC   r9   r   r:   ranger;   )rh   r   r   r!   r   r   r   r   r   r   r   labels_aniso2r   r   r   test_spacing_1^  s`   

& 
,r   c                  C   s  t d} t d}tdg t| |}W d    n1 sw   Y  t j|| d|d d d df< t j|dkdt jf |dkdt jf fdd}tdg t| |d	d
}W d    n1 scw   Y  t j|| t dd} t 	g d}t 	g d}t 
||fD ]
\}}d	| | |< qt jdt jd}	|D ]
\}}d|	| |< qd|	| dk< tdg t| |	}
W d    n1 sw   Y  t |
|	dk dksJ t |
|	dk dksJ tdg t| |	d	d
}W d    d S 1 sw   Y  d S )NrU   rU   zReturning provided labelsr4   r   r   .r   rq   Tr3   F))   r   r   r   r   r   )r   r   ))r4   r   )r   r   )r   r   )r4   r   )r   r   )r   r4   )r4   r4   r$   rT   r   z!All unlabeled pixels are isolated)r   onesr   r   r   r`   concatenaterv   fullarrayvstackr   int8r:   )imgr=   pass_throughexpectedtestobject_Aobject_Bxyra   output_labelsr   r   r   test_trivial_cases  sB   

"r   c                  C   s   t jd t ddt jjdd  } t jdt jd}d|d< d|d	< ttg t	| |d
d W d    d S 1 s<w   Y  d S )N*   r   g?sizer   r   r   r   r   r   )r   r   r   )
r   r   r   r   normalr   rQ   r   r9   r   r   r=   r   r   r   test_length2_spacing  s   "r   c                  C   s  t d} t d}tt t| | W d    n1 sw   Y  tt t| |dd W d    n1 s;w   Y  t jd t jj	dd} t d
| j}tt t| | W d    n1 skw   Y  tt t| |dd W d    n1 sw   Y  t jj	dd} t d}d	|d
< d|d< tt t| |dd W d    n1 sw   Y  t jj	dd} t d}tt t| |dd W d    d S 1 sw   Y  d S )NrU   rT   )ro   r   )r4   r4   r4   r4   r4   r      r   r   r   r   r   )r   r   badre   )r   r   aranger   raises
ValueErrorr   r   r   r   r]   r;   r   r   r   r   r   test_bad_inputs  s:   



"r   c                  C   s   t jd t jd} t | j }d|d< d|dd dd f< d|d< d|d< ttd	g t| |}W d    n1 s?w   Y  |d dksLJ ttd	g t| |d
d}W d    n1 sdw   Y  |d dksqJ |d dksyJ d S )Nr   r   r   r   r   r4   r   r   r   r   r   rs   Tr   r   r   r   r   r   r   r   r   r   r   r;   r   r9   r   amaskresr   r   r   test_isolated_seeds  (   r   c                  C   s   t jd t jd} t | j }d|d< d|dd dd f< d|d< d|d< ttd	g t| |}W d    n1 s?w   Y  |d dksLJ ttd	g t| |d
d}W d    n1 sdw   Y  |d dksqJ |d dksyJ d S )Nr   r   r   r4   r   r   r   r   rs   Tr   r   r   r   r   r   r   r   test_isolated_area  r   r   c                  C   s  t jd t jd} t | j }d|d< d|dd dd f< d|d< d|d< ttd	g t| |d
d}W d    n1 sAw   Y  ttg t| |d
dd}W d    n1 s^w   Y  |d dkskJ |d dkssJ ttg t| |d
dd}W d    n1 sw   Y  |d dksJ |d dksJ ttg t| |d
dd}W d    n1 sw   Y  |d dksJ |d dksJ d S )Nr   r   r   r   r4   r   r   r   rs   Tr   rU   )r3   r-   r   r   r   )r3   prob_tolg&.>)r3   tolr   r   r   r   r   test_prob_tol  s6   r   c                  C   sN   ddl m}  | j}zdd l}|d usJ W d S  ty&   |d u s#J Y d S w )Nr   )random_walker_segmentation)skimage.segmentationr   UmfpackContextscikits.umfpackImportError)r   r   scikitsr   r   r   test_umfpack_import?  s   r   )N)NN)2numpyr   scipy	packagingr   skimage._sharedr   skimage._shared._warningsr   skimage._shared.testingr   r   r   r   skimage.transformr   rC   PYAMG_MISSING_WARNINGrI   parse__version__r9   r   r#   parametrizefloat16float32r7   r@   rG   rL   rN   rR   rS   r^   rc   ri   rn   r{   r~   r   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   sb    








6&!#