o
    :ήcQ                     @   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
 ejdejejgdd Zd	d
 Zdd Zejdej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dd ZdS )    N)assert_array_equal)expected_warnings)_supported_float_type)	chan_vesedtypec                 C   s   t jd| d}d|ddddf< t jdd| d}t|dd|d	}t|tt d t|dd| d	}t|tt d d S )
N
   r   r                      MbP?mutolinit_level_set)npzerosfullr   r   astypefloatones)r   imglsresult r   P/tmp/pip-target-vg8gfxp4/lib/python/skimage/segmentation/tests/test_chan_vese.pytest_chan_vese_flat_level_set
   s   r   c                  C   sB   t d} d| ddddf< t| dddd}t|t|  d S )	Nr   r
   r   r   r   r   z
small diskr   )r   r   r   r   r   r   r   r   r   r   r   #test_chan_vese_small_disk_level_set   s   
r!   c                  C   s@   t d} d| ddddf< t| dddt}t||  d S )Nr   r
   r   r   r   :0yE>)r   r   )r   r   r   r   r   r   r    r   r   r   test_chan_vese_simple_shape"   s   
r#   c                    s|   t jd| d}d|ddddf< t|dddd	}t|  |d j ks&J t fd
d|d D s5J tt|d d S )Nr   r	   r
   r   r   r   r"   T)r   r   extended_outputc                 3   s    | ]}|j  kV  qd S )Nr	   ).0arrfloat_dtyper   r   	<genexpr>2   s    z1test_chan_vese_extended_output.<locals>.<genexpr>   )r   r   r   r   r   allr   len)r   r   r   r   r'   r   test_chan_vese_extended_output)   s   r-   c                  C   sz   t d} t g dg dg dg dg dg| ddddf< |  }d|d< t|ddd	d
ddt}t||  d S )Nr   )r   r
   r
   r
   r   )r
   r
   r
   r
   r
   r
   r   )   r   g333333?r   d   r   diskr   r   max_num_iterdtr   )r   r   arraycopyr   r   r   r   refr   r   r   r   r   test_chan_vese_remove_noise6   s   

r8   c                  C   sR   t d} t d}tt t| d|d W d    d S 1 s"w   Y  d S )N)r   r   r   r   	   r   r   r   r   r   pytestraises
ValueErrorr   r   r   r   r   r   #test_chan_vese_incorrect_image_typeD   s
   

"rA   c                  C   sj   t d} t d| ddd d f< |  }t d|d d df< t|ddd	d	d
dt}t||  d S )N   rC   )   rC   r.      rC   r   gffffff?r   r   r0   r1   )r   r   r   r5   r   r   r   r   r6   r   r   r   test_chan_vese_gap_closingK   s   
rF   c                  C   sF   t d} tdg t| dd W d    d S 1 sw   Y  d S )NrB   z#`max_iter` is a deprecated argumentr   )max_iter)r   r   r   r   )r   r   r   r   #test_chan_vese_max_iter_deprecationU   s   
"rH   c                  C   s   t d} t d}tt t| d|d W d    n1 s!w   Y  tt t| ddd W d    d S 1 s>w   Y  d S )Nr   r9   r   r;   ar<   r@   r   r   r   "test_chan_vese_incorrect_level_set[   s   

"rJ   c                  C   s>   t d} t jdd}|dk}t| dd|d}t|| d S )Nr   r   r   r   r   )r   r   randomrandr   r   )r   	level_setr7   r   r   r   r   test_chan_vese_blank_imaged   s
   
rN   )numpyr   r=   numpy.testingr   skimage._shared._warningsr   skimage._shared.utilsr   skimage.segmentationr   markparametrizefloat32float64r   r!   r#   uint8float16r-   r8   rA   rF   rH   rJ   rN   r   r   r   r   <module>   s(    



	