U
    O8cAY                     @   sB  d dl Zd dlmZ d dlmZmZmZmZm	Z	m
Z
 d dlmZmZmZmZmZmZ d dlZdd Zdd Zd8d
dZdd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zd d! Z d"d# Z!d$d% Z"d&d' Z#G d(d) d)Z$d*d+ Z%G d,d- d-ej&Z'G d.d/ d/e'Z(d0d1 Z)d2d3 Z*d4d5 Z+d6d7 Z,dS )9    Nrational)assert_equalassert_array_equalassert_raisesassert_assert_raises_regexassert_warns)
as_stridedbroadcast_arrays_broadcast_shapebroadcast_tobroadcast_shapessliding_window_viewc                 C   s@   dd | D }t | }dd |D }|gt| }t|| d S )Nc                 S   s   g | ]}t |qS  npzeros.0sr   r   F/tmp/pip-unpacked-wheel-fd_gsd75/numpy/lib/tests/test_stride_tricks.py
<listcomp>   s     z)assert_shapes_correct.<locals>.<listcomp>c                 S   s   g | ]
}|j qS r   )shape)r   ar   r   r   r      s     )r   lenr   )input_shapesexpected_shapeinarraysZ	outarraysZ	outshapesexpectedr   r   r   assert_shapes_correct   s
    r    c                 C   s"   dd | D }t ttf|  d S )Nc                 S   s   g | ]}t |qS r   r   r   r   r   r   r      s     z4assert_incompatible_shapes_raise.<locals>.<listcomp>)r   
ValueErrorr   )r   r   r   r   r    assert_incompatible_shapes_raise   s    r"   Fc           
      C   s   t j| td}tt j|}t ||}|r>|j}|j}|r^|d d d }|d d d }|| }t||\}}	t	||	 d S )Ndtype)
r   r   intmultiplyreducearangereshapeTr   r   )
Zshape0Zshape1Z
transposedZflippedZx0nx1yZb0Zb1r   r   r   assert_same_as_ufunc!   s    r/   c                  C   s:   t d} t d}t| |\}}t| | t|| d S )N
   )r   r)   r   r   )xr.   bxbyr   r   r   	test_same7   s
    


r4   c               	   C   s<   t d} t d}ttd t| |dd W 5 Q R X d S )Nr0   zgot an unexpected keywordZfloat64r#   )r   r)   r   	TypeErrorr   )r1   r.   r   r   r   test_broadcast_kwargs>   s    

r6   c                  C   sv   t dddgg} t dgdgdgg}t| |\}}t dddgdddgdddgg}|j}t|| t|| d S )N         )r   arrayr   r+   r   )r1   r.   r2   r3   Zbx0Zby0r   r   r   test_one_offI   s    "
r;   c               
   C   s\   ddddddddd	d
g
} | D ]:}|g}t || ||g}t || |||g}t || qd S )Nr   r7   r9   r   r7   )r   r9   r7   r   )r9   r   r7   r9   r9   r7   r9   r9   r    )datar   r   Zinput_shapes2Zinput_shapes3r   r   r   test_same_input_shapesS   s$    


rE   c                  C   s   ddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgd	dgdgdd	gdgddgdgddgdgdd	gd	gg} | D ]&\}}t || t |d d d
 | qd S )Nr<   r=   r@   rB   rA   r7   r7   r?   r   r   r>   r%   rC   rD   r   r   r   r   r   (test_two_compatible_by_ones_input_shapesn   s"    

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
rI   c                  C   s   ddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgdd	gd	gdd
gd	gdd	gd	gdd	gd	gddgdgdd
gd
gddgdgddgdgdd
gd
gg} | D ]&\}}t || t |d d d | qd S )Nr   r=   rB   rA   r<   rF   r@   r   rG   r>   r?   r%   rC   rH   r   r   r   3test_two_compatible_by_prepending_ones_input_shapes   s0    
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
rK   c                  C   sF   ddgddgdddgddgg} | D ]}t | t |d d d  q"d S )Nr=      r8   r9   r8   r7   r9   rM   r8   r9   r9   r%   )r"   )rD   r   r   r   r   )test_incompatible_shapes_raise_valueerror   s    rR   c               "   C   s  ddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgd	dgdgdd	gdgddgdgddgdgdd	gd	gd
dgdgddgdgddgdgddgdgd
dgdgddgdgddgdgddgdgd
dgdgd
dgdgd
dgdgddgdgdd	gdgddgdgd
dgdgddgdgdd	gd	gddgdgd
dgdgd
d	gd	gg!} | D ]\}}t |d |d d|d |d f  t |d |d  t |d |d d d
|krRt |d |d dd t |d |d dd qRd S )Nr<   r=   r@   rB   rA   rF   r?   rG   r>   r   rJ   r   r7   zShapes: %s %sTF)r/   rH   r   r   r   test_same_as_ufunc   sV    
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#
rS   c                  C   sr  t ddt dgt ddt dgt ddt dgt ddt dgt ddt dgt dd	t d	gt ddt dgt dd
t dddgt ddt dddgdddgggt ddt dgt ddt dgt ddt dgt ddt dgt ddt dgt ddt dgg} | D ] \}}}t||}t|| qLd S )Nr   rJ   r<   r7   r=   r9   rO   r8   )r7   r8   r9   r@   r%   rN   r7   r8   )r   r8   r8   r7   )r8   r   )r   r:   r   onesr)   r*   r   r   )rD   input_arrayr   r   actualr   r   r   test_broadcast_to_succeeds   s&    $
rY   c                     sv   ddgddgddgddgddgddgddgd	dgdd
gddgddgg} | D ]&\}t | tt fdd qJd S )NrJ   r   r<   r=   rO   rL   rT   rU   rF   r%   )r%   )r%   r8   c                      s
   t  S N)r   r   arrtarget_shaper   r   <lambda>      z*test_broadcast_to_raises.<locals>.<lambda>)r   r   r   r!   )rD   Z
orig_shaper   r[   r   test_broadcast_to_raises  s    
r`   c                      s   t t d t tddgd t ttdd t ttdtdd t ttdgd  d t ttdgd	  d t ttdgd dg  d tdgd td
gd   tt fdd d S )Nr   r7   r8   rO   rF   r9   rM   rT       d   r9   c                      s   t   S rZ   )r   r   bad_argsr   r   r^   %  r_   z&test_broadcast_shape.<locals>.<lambda>)r   r   r   rV   r   r!   r   r   rd   r   test_broadcast_shape  s      rf   c                  C   sh  g dgdgdgdgdgddgdgdgdgddgdgdddd	gd
gdgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgddgdgg} | D ]\}}t t| | qt tdgd  d t tdgd  d t tdgd  d d S )Nr   )   rT   rO   rF   ra   )   rg   )   rh   r7   )ri   r7   rg   )ri   rh   rg   r@   rA   rB   r?   rG   r>   rJ   r<   r=   r8   r9   r8   rb   rc   )r   r   )rD   r   r]   r   r   r   test_broadcast_shapes_succeeds(  sB    

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rk   c                     st   ddgddgdddgddgddd	d
gddgg} | D ]t tfdd q2dgd dgd   t t fdd d S )Nr=   rL   rN   rO   rP   rQ   rT   rA   rj   )r0   ri   r8   c                      s   t   S rZ   r   r   )r   r   r   r^   \  r_   z.test_broadcast_shapes_raises.<locals>.<lambda>rb   c                      s   t   S rZ   rl   r   rd   r   r   r^   _  r_   )r   r!   )rD   r   )re   r   r   test_broadcast_shapes_raisesQ  s    
rm   c                  C   s"  t d g} t| }t d g}t|t d g t ddddg} t| dd| j fd}t ddg}t|| t ddddg} t| ddd| j fd}t ddddgddddgddddgg}t|| t d	d
g}t jd|d} t dd| d< t| dd| jfd}ddddggd }d gd gd }t|j| t||d  t||d  t jddd} t| dd| jfd}t| j|j t dgdgd}t jd|d} t| dd| jfd}t| j|j dd t	dD }t j|t
d} t| dd| jfd}t| j|j t|gd | d S )Nr7   r8   r9   rM   rO   r   stridesra   r   )numi4)objOrL   r#   ri   rp   rr   ZV4 )namesformatsc                 S   s   g | ]}t |qS r   r   )r   ir   r   r   r     s     z#test_as_strided.<locals>.<listcomp>)r   r:   r
   r   itemsizer$   emptyr)   r   ranger   )r   a_viewr   dtZexpected_numZexpected_objrr   r   r   test_as_stridedb  sB    
(
r~   c                   @   sL   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dS )TestSlidingWindowViewc                 C   sD   t d}t|d}t ddgddgddgddgg}t|| d S )Nri   r8   r   r7   r9   rM   )r   r)   r   r:   r   )selfr\   arr_viewr   r   r   r   test_1d  s    


zTestSlidingWindowView.test_1dc                 C   s   t jd dd df \}}d| | }d}t||}t ddgddggddgdd	ggddgd	d
gggddgddggdd	gddggd	d
gddgggg}t|| d S )Nr9   rM   r0   )r8   r8   r   r7      r8                     r   ogridr   r:   r   r   rw   jr\   r   r   r   r   r   r   test_2d  s    
zTestSlidingWindowView.test_2dc                 C   sl   t jd dd df \}}d| | }t|dd}t dddgdddgd	d
dgdddggg}t|| d S )Nr9   rM   r0   r   r   r7   r   r   r8   r   r   r   r   r   r   rw   r   r\   r   r   r   r   r   test_2d_with_axis  s    z'TestSlidingWindowView.test_2d_with_axisc                 C   s   t jd dd df \}}d| | }t|dd}t dddgdddgggdd	d
gd	d
dgggdddgdddgggg}t|| d S )Nr9   rM   r0   rN   rF   r   r7   r8   r   r   r   r   r   r   r   r   r   r   r   r   test_2d_repeated_axis  s    z+TestSlidingWindowView.test_2d_repeated_axisc              	   C   s   t jd dd df \}}d| | }d}t||}t dddgdddggddd	gddd
gggdddgdddggddd
gdddgggdddgdddggdddgdddgggg}t|| d S )NrM   r0   rN   r   r7   r8   r   r   r9   r   r   r   r   r         rb   !   r   r   r   r   r   test_2d_without_axis  s    
z*TestSlidingWindowView.test_2d_without_axisc              	   C   s   t jd dd df \}}d| | }tjtdd t|d W 5 Q R X tjtdd t|d W 5 Q R X tjtdd t|d	d
d W 5 Q R X tjtdd t|d W 5 Q R X d S )NrM   r0   zcannot contain negative valuesmatch)r%   r9   z3must provide window_shape for all dimensions of `x`r<   z2Must provide matching length window_shape and axisrP   r>   )Zaxisz.window shape cannot be larger than input array)ri   ri   )r   r   pytestraisesr!   r   )r   rw   r   r\   r   r   r   test_errors  s&    z!TestSlidingWindowView.test_errorsc              	   C   s   t d}t|ddd}t|jj  tjtdd d|d< W 5 Q R X t|dd	d}t|jj d|d
< t	|t 
dddddg d S )Nri   r8   F	writeablez#assignment destination is read-onlyr   r9   rG   Tr>   r   rM   )r   r)   r   r   flagsr   r   r   r!   r   r:   )r   r\   viewr   r   r   test_writeable  s    
z$TestSlidingWindowView.test_writeablec                 C   sn   G dd dt j}t d|}ttt|ddd|  ttt|ddd| ttt|d|  d S )Nc                   @   s   e Zd ZdS )z1TestSlidingWindowView.test_subok.<locals>.MyArrayN)__name__
__module____qualname__r   r   r   r   MyArray  s   r   ri   r8   FsubokT)r   ndarrayr)   r   r   
isinstancer   )r   r   r\   r   r   r   
test_subok  s    
z TestSlidingWindowView.test_subokN)r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r     s   	
r   c                  C   s   t d} t| dd}t|jj  t| dd}t|jj d|d< t| t | d d| j_t| dd}t| dd}t|jj  d S )Nr0   Fr   Tr9   .)r   rV   r
   r   r   r   r   Z	full_like)r\   r   r   r   r   as_strided_writeable  s    
r   c                   @   s   e Zd Zdd ZdS )VerySimpleSubClassc                 O   s   t j|ddi|| S )Nr   T)r   r:   r   )clsargskwargsr   r   r   __new__	  s    zVerySimpleSubClass.__new__N)r   r   r   r   r   r   r   r   r     s   r   c                   @   s   e Zd Zdd Zdd ZdS )SimpleSubClassc                 O   s$   t j|ddi|| }d|_|S )Nr   Tsimple)r   r:   r   info)r   r   r   r   r   r   r   r     s    zSimpleSubClass.__new__c                 C   s   t |ddd | _d S )Nr   rt   z
 finalized)getattrr   )r   rr   r   r   r   __array_finalize__  s    z!SimpleSubClass.__array_finalize__N)r   r   r   r   r   r   r   r   r   r     s   r   c                  C   s  t ddddg} tt| t k t| dd| j fd}tt|tjk t| dd| j fdd}tt|t k tddddg} t| dd| j fdd}tt|tk t|jd	k t	t
| d
d}t| |\}}tt|tjk tt|tjk t|j|jk t| |dd\}}tt|tk t|jd	k tt|tjk t|j|jk d}t| |}tt|tjk t|j|k t| |dd}tt|tk t|jd	k t|j|k d S )Nr7   r8   r9   rM   rO   rn   T)r   ro   r   zsimple finalizedr%   r   )r8   rM   )r   r   typer
   rx   r   r   r   r   r)   r   r*   r   r   r   )r   r{   bZb_viewr   r   r   r   test_subclasses  s8    
r   c                  C   s~  t dddg} t| d}t|jjd tt|jt	d d dt
| fdt
d| ffD ]v\}}|D ]h}|rtt t|jjd W 5 Q R X tt d|d d < W 5 Q R X t|jjd qbt|jjd qbqVt
| t
d| fD ]0}|D ]&}d|j_t|jjd d|d d < qqd| j_t
d| \}}t|jjd d}dg}tt d||}t d	}t
||\}	}
t|	j|
jk d S )
Nr7   r8   r9   rN   Fr   TrO   r<   )r   r:   r   r   r   r   r   r!   __setitem__slicer   r	   FutureWarningDeprecationWarningr
   r   r   r   )originalresultis_broadcastresults_r   ro   Ztricky_arrayotherfirstsecondr   r   r   r   <  s>    




r   c                  C   sd   t dddg} dt| fdtd| ffD ]4\}}|D ]&}|rNt|js\tq6t|jr6tq6q*d S )Nr7   r8   r9   FTr   )r   r:   r   
memoryviewreadonlyAssertionError)r   r   r   r   r   r   r   test_writeable_memoryviewk  s    
r   c                  C   sX   t jdtd} t jdgd td}t| d}t|| t| t d\}}t|| d S )Nr   r#   r9   r=   )r   r:   objectr   r   r   rV   )rW   r   rX   r   r   r   r   test_reference_types~  s    

r   )FF)-Znumpyr   Znumpy.core._rational_testsr   Znumpy.testingr   r   r   r   r   r	   Znumpy.lib.stride_tricksr
   r   r   r   r   r   r   r    r"   r/   r4   r6   r;   rE   rI   rK   rR   rS   rY   r`   rf   rk   rm   r~   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   s:     

 4).f
%/