o
    ßË·eU	  ã                   @   s\   d Z ddlZddlZddlmZmZ ddlmZmZm	Z	 dd„ Z
dd„ Zd	d
„ Zdd„ ZdS )zAUnit tests for the :mod:`networkx.generators.expanders` module.

é    N)Úadjacency_matrixÚnumber_of_nodes)Úchordal_cycle_graphÚmargulis_gabber_galil_graphÚpaley_graphc                  C   sØ   dD ]A} t | ƒ}t|ƒ| |  ksJ ‚|D ].}| |¡dksJ ‚t|ƒdks'J ‚|D ]}t|ƒ|ks3J ‚d|  kr>| k sAJ ‚ J ‚q)qqt d¡}t d¡}dd l}t|j	 
t|ƒj¡ƒ}|d d| d¡ k sjJ ‚d S )	N)é   é   é   é   é
   é   r   r   ÚnumpyÚscipyéþÿÿÿr	   )r   r   ÚdegreeÚlenÚintÚpytestÚimportorskipÚscipy.linalgÚsortedÚlinalgÚeigvalshr   ÚAÚsqrt)ÚnÚgÚnodeÚiÚnpÚspr   Úw© r"   ú_/var/www/ideatree/venv/lib/python3.10/site-packages/networkx/generators/tests/test_expanders.pyÚ test_margulis_gabber_galil_graph   s    þý

r$   c                  C   s.   g d¢} | D ]}t |ƒ}t|ƒ|ksJ ‚qdS )z;Test for the :func:`networkx.chordal_cycle_graph` function.)r   r	   é   é   N)r   r   )ÚprimesÚpÚGr"   r"   r#   Útest_chordal_cycle_graph%   s
   þr*   c                     sÌ   g d¢} | D ]]}t |ƒ‰ tˆ ƒ|ksJ ‚‡ fdd„ˆ jD ƒ}‡ fdd„ˆ jD ƒ}t|ƒdkr8| ¡ |d d ks:J ‚t|ƒdkrJ| ¡ |d d ksLJ ‚|d dkrcˆ jD ]\}}||fˆ jv sbJ ‚qUqdS )	z3Test for the :func:`networkx.paley_graph` function.)r   r	   r%   r&   é   c                    ó   h | ]}ˆ   |¡’qS r"   )Ú	in_degree©Ú.0r   ©r)   r"   r#   Ú	<setcomp>;   ó    z#test_paley_graph.<locals>.<setcomp>c                    r,   r"   )Ú
out_degreer.   r0   r"   r#   r1   <   r2   é   r   é   N)r   r   ÚnodesÚpopÚedges)r'   r(   Ú
in_degreesÚout_degreesÚuÚvr"   r0   r#   Útest_paley_graph3   s   $$€òr=   c                   C   s0   t  tjtdt ¡ ¡ t  tjtdt ¡ ¡ d S )Nr   )r   ÚraisesÚnxÚNetworkXErrorr   ÚDiGraphÚGraphr"   r"   r"   r#   Ú)test_margulis_gabber_galil_graph_badinputG   s   rC   )Ú__doc__r   Únetworkxr?   r   r   Únetworkx.generators.expandersr   r   r   r$   r*   r=   rC   r"   r"   r"   r#   Ú<module>   s    