o
    :ήc&                     @   s\  d dl Z d dlZd dlmZ d dlmZ d dlm	Z	m
Z
mZmZmZmZmZmZmZ d dlmZ d dlmZmZmZ d dlmZ dd	 Zd
d Zdd Ze jdejej ej!gdd Z"dd Z#dd Z$dd Z%dd Z&dd Z'e jdejej ej!gdd Z(e jdejej ej!gdd Z)e jdejej ej!gdd  Z*d!d" Z+d#d$ Z,dS )%    N)ndimage)draw)	momentsmoments_centralmoments_coordsmoments_coords_centralmoments_normalized
moments_hucentroidinertia_tensorinertia_tensor_eigvals)testing)assert_equalassert_almost_equalassert_allclose)_supported_float_typec                  C   sv   t jdt jd} d| d< d| d< d| d< d| d< t| }t|d	 d
 t|d |d	  d t|d |d	  d d S )N   r   dtype      r      r         ?r   r   r   r   r   r      )r   r         -@r   r   )npzerosdoubler   r   r   )imagem r'   I/tmp/pip-target-vg8gfxp4/lib/python/skimage/measure/tests/test_moments.pytest_moments   s   r)   c                  C   s   t jdt jd} d| d< d| d< d| d< d| d< t| d	}t| }t|| t jdt jd}d|d
< d|d< d|d< d|d< t|d}t|| d S )Nr   r   r   r   r   r   r   r   r    r    )   r+   )   r,   )r+   r,   )r,   r+   )     0@r-   )r"   r#   r$   r   r   )r%   mumu_calc_centroidimage2mu2r'   r'   r(   test_moments_central   s   


r2   c                  C   sb   t jdt jd} d| ddddf< t| }t jdd tddD t jd}t|}t|| d S )Nr   r   r      r,   c                 S   $   g | ]}t d dD ]}||gq	qS r3   r,   range.0rcr'   r'   r(   
<listcomp>8   
    z'test_moments_coords.<locals>.<listcomp>)r"   r#   r$   r   arrayr7   r   r   )r%   mu_imagecoords	mu_coordsr'   r'   r(   test_moments_coords3   s   rB   r   c                 C   s   t jd| d}d|ddddf< t| }t|}|j|ks J t jdd tddD | d}t|}|j|ks:J t|| d S )Nr   r   r   r3   r,   c                 S   r4   r5   r6   r8   r'   r'   r(   r<   G   r=   z-test_moments_coords_dtype.<locals>.<listcomp>)	r"   r#   r   r   r   r>   r7   r   r   )r   r%   expected_dtyper?   r@   rA   r'   r'   r(   test_moments_coords_dtype>   s   rD   c                  C   s   t jdt jd} d| ddddf< t| d}t jdd tddD t jd}t|d}t|| t|}t|| t jdt jd} d| d	d
d	d
f< t| d}t jdd td	d
D t jd}t|d}t|| d S )Nr   r   r   r3   r,   r*   c                 S   r4   r5   r6   r8   r'   r'   r(   r<   T   r=   z/test_moments_central_coords.<locals>.<listcomp>r+   r   c                 S   r4   )r+   r   r6   r8   r'   r'   r(   r<   b   r=   )r"   r#   r$   r   r>   r7   r   r   )r%   r?   r@   rA   mu_coords_calc_centroidr'   r'   r(   test_moments_central_coordsO   s$   





rF   c                  C   s~   t jdt jd} d| ddddf< t| d}t|}t jdt jd}d|ddddf< t|d}t|}t||dd	 d S )
Nr   r   r   r3   r,   r*      )      '@rH   decimal)r"   r#   r$   r   r   r   )r%   r.   nur0   r1   nu2r'   r'   r(   test_moments_normalizedh   s   

rM   c                  C   sd   t ddd} t| }t|}|d |d ksJ t|d |d  t| }t|}t|| d S )Nr   
   )r   r      )r   rO   r   )rO   r   r   )r   	ellipsoidr   r   r   r"   wherer   )r%   r?   rK   r@   rA   r'   r'   r(   test_moments_normalized_3dv   s   
rR   c                   C   sz   t t ttdd W d    n1 sw   Y  t t ttdd W d    d S 1 s6w   Y  d S )N)r   r   r      )r   raises
ValueErrorr   r"   r#   r'   r'   r'   r(   test_moments_normalized_invalid   s   "rV   c                  C   s   t jdt jd} d| ddddf< t| d}t|}t|}t jdt jd}d|dddf< |j}t|d	}t|}t|}t||dd
 d S )Nr   r   r   r3   r   r,   g      +@r    rG   )rH   rG   rI   )r"   r#   r$   r   r   r	   Tr   )r%   r.   rK   hur0   r1   rL   hu2r'   r'   r(   test_moments_hu   s   

r[   c                 C   sr   t jd| d}d|ddddf< t| }t|d}|j|ks!J t|}|j|ks,J t|}|j|ks7J d S )Nr   r   r   r3   r   r,   rW   )r"   r#   r   r   r   r   r	   )r   r%   rC   r.   rK   rY   r'   r'   r(   test_moments_dtype   s   
r\   c                 C   sl   t jd| d}d|dddf< d|dddf< t|}| t jkr#d}n
| t jkr+d	}nd
}t|d|d d S )Nr   r   r   r   r+   gUUUUUU?r   MbP?gh㈵>gHz>)g     ,@r    )rtol)r"   r#   r
   float16float32r   )r   r%   image_centroidr^   r'   r'   r(   test_centroid   s   

rb   c                 C   s   t jd| d}d|ddddf< t|j}t|}|j|ks!J |d |d	 ks+J t j|d
 d t||d\}}|j|ksCJ |j|ksJJ t jjt || dddd d S )N)(   rc   r   r   r         #   r   )r   r   r!   r   )rX   r   {Gz?g?)r^   atol)	r"   r#   r   r   r   r   r   r   sqrt)r   r%   rC   rX   v0v1r'   r'   r(   test_inertia_tensor_2d   s   
"rl   c                  C   s:  t ddd} t| }tj|\}}|d d t|f }t|g ds1t| g ds1J tj	| 
tdddd}t|}tj|\}}|d d t|f }	tjtjtj}
}}t||
d	 ||
d	  d
g||
d	 ||
d	 d
gg dg}|| }tj|	|dddstj|	 |dddsJ d S d S )NrN   re   r   )r   r   r      r!   r   )axesorder   r   )r   r   r   r]   rg   )rh   r^   )r   rP   r   r"   linalgeigargminallclosendirotateastypefloatpicossinr>   )r%   T0eig0V0rj   imrotTreigrVrvrry   rz   r{   Rexpected_vrr'   r'   r(   test_inertia_tensor_3d   s$   &r   c                  C   s:   t g dg dg dg} t| d}t|dksJ d S )N)r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   )r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   )r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   )r%   r   )r"   r>   r   min)r%   eigvalsr'   r'   r(   test_inertia_tensor_eigvals   s   

r   )-pytestnumpyr"   scipyr   ru   skimager   skimage.measurer   r   r   r   r   r	   r
   r   r   skimage._sharedr   skimage._shared.testingr   r   r   skimage._shared.utilsr   r)   r2   rB   markparametrizer_   r`   float64rD   rF   rM   rR   rV   r[   r\   rb   rl   r   r   r'   r'   r'   r(   <module>   s4    ,



