o
    g                     @   s  d dl Zd dlmZ d dlZd dlmZmZ d dlm	Z	 d dl
mZmZmZ ddgZdd	 Zd
d Zdd Zdd Zdd Zejdeejdg ddd Zejdeejdg ddd Zejdedd Zejdedd Zejdedd Zejded d! Zejded"d# Zejded$d% Zd&d' Zejd(g gg fd gd ggg fg d)g d*g d+gg d,fg d-g d.g d*gg d/fgd0d1 Zejd2g gg fd ggg fd3ggd gfd d3gd4d ggd3d gfg d)g d5g d6gg d7fgd8d9 Z ejd2g gg fd ggg fd3ggd gfd d3gd4d ggd d3gfg d)g d5g d6gg d:fgd;d< Z!dS )=    N)assert_array_equal)
csr_matrix
csc_matrix)maximum_flow)_add_reverse_edges_make_edge_pointers_make_tailsedmonds_karpdinicc                  C   sb   t t" tddgddgg} t| dd t| dddd W d    d S 1 s*w   Y  d S Nr      r	   method)pytestraises	TypeErrornparrayr   graph r   b/home/ubuntu/cloudmapper/venv/lib/python3.10/site-packages/scipy/sparse/csgraph/tests/test_flow.pytest_raises_on_dense_input   s
   "r   c                  C   s`   t t! tddgddgg} t| dd t| dddd W d    d S 1 s)w   Y  d S r   )r   r   r   r   r   r   r   r   r   test_raises_on_csc_input   
   "r   c                  C   sf   t t$ tddgddggtjd} t| dd t| dddd W d    d S 1 s,w   Y  d S )Nr   g      ?dtyper   r	   r   )r   r   
ValueErrorr   r   float64r   r   r   r   r   #test_raises_on_floating_point_input   s
   "r   c                  C   sP   t t tg dg dg} t| dd W d    d S 1 s!w   Y  d S )N)r   r      )r    r   r   r   r   r   r   r   r   r   r   r   r   r   test_raises_on_non_square_input"   s   "r"   c                  C   s`   t t! tddgddgg} t| dd t| dddd W d    d S 1 s)w   Y  d S r   r!   r   r   r   r   test_raises_when_source_is_sink(   r   r#   r   source)r       c                 C   sT   t t tddgddgg}t|| d|d W d    d S 1 s#w   Y  d S Nr   r   r   r!   )r$   r   r   r   r   r   (test_raises_when_source_is_out_of_bounds/      "r(   sinkc                 C   sT   t t tddgddgg}t|d| |d W d    d S 1 s#w   Y  d S r'   r!   )r*   r   r   r   r   r   &test_raises_when_sink_is_out_of_bounds7   r)   r+   c                 C   s\   t ddgddgg}t|dd| d}|jdksJ tddgddgg}t|j | d S )Nr      r   r   r   r   
flow_valuer   r   r   flowtoarrayr   r   resexpected_flowr   r   r   test_simple_graph?   s
   r5   c                 C   sh   t g dg dg dg}t|dd| d}|jdksJ tg dg d	g d
g}t|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.   r2   r   r   r   test_bottle_neck_graphJ   s
   r;   c                 C   s   t g dg dg dg dg dg dg dg dg}t|dd	| d
}|jdks+J tg dg dg dg dg dg dg dg dg}t|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   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   r   r?   r   r<   )r   r   r   r?   r   r   r?   r   r.   r2   r   r   r   test_backwards_flowU   s*   
r@   c              	   C   s   t g dg dg dg dg dg dg}t|dd| d	}|jd
ks%J tg dg dg dg dg dg dg}t|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   rD   )r   r   r   r   r   r   r   r,   r      )r   rC      r   r   r   )r   r   rC   r   r   )r   r   r   rH   r   )r   rI   r   r   i   )r   r   rJ   r=   r   rD   )r   r   r   ir   r.   r2   r   r   r   #test_example_from_clrs_chapter_26_1p   s"   
rM   c                 C   sb   t g dg dg dg dg}t|dd| d}|jdksJ tjdtjd}t|j | d S )	N)r   r,   r   r   )r   r   r   r   )r   r   rF   r&   r   r&   r   )rD   rD   r   )	r   r   r/   r   zerosint32r   r0   r1   r2   r   r   r   test_disconnected_graph   s   rP   c                 C   s   d}t d|}t tt||d g }t j|d t jd}t|||f||fd}t|d|d | d}|j	dks<J ||
  }t|jj|j t|jj|j t|jj|j d S )Ni r   r   )shaper   r   )r   aranger   listrangeonesrO   r   r   r/   	transposer   r0   dataindicesindptr)r   nrX   rY   rW   r   r3   r4   r   r   r   "test_add_reverse_edges_large_graph   s   r[   c                  C   sZ   t g dg dg dg} t| dd}t  |j W d    d S 1 s&w   Y  d S )Nr6   r7   r8   r   r    )r   r   r   deprecated_callresidual)r   r3   r   r   r   (test_residual_raises_deprecation_warning   s
   
"r^   za,b_data_expected)r   r   r    r8   r9   )r   r    r   r   r&   )rF      r=   )rD   r,      )rF   r_   r=   rD   r,   r`   r   r   c                 C   s4   t | tjt| t| fd} t| }t|j| dS )zRTest that the reversal of the edges of the input graph works
    as expected.
    )r   rQ   N)r   r   rO   lenr   r   rW   )ab_data_expectedbr   r   r   test_add_reverse_edges   s   	re   z
a,expectedr   r<   r7   )rD   r,   r   )r   r&   rD   r   r    c                 C   $   t | tjd} t| }t|| d S Nr   )r   r   rO   r   r   )rb   expectedrev_edge_ptrr   r   r   test_make_edge_pointers      rj   )r   r   r   r    r    c                 C   rf   rg   )r   r   rO   r   r   )rb   rh   tailsr   r   r   test_make_tails   rk   rm   )"numpyr   numpy.testingr   r   scipy.sparser   r   scipy.sparse.csgraphr   scipy.sparse.csgraph._flowr   r   r   methodsr   r   r   r"   r#   markparametrizer(   r+   r5   r;   r@   rM   rP   r[   r^   re   rj   rm   r   r   r   r   <module>   sl    








	


