a
    Lf                     @   sn   d Z ddlZddlZddl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 G dd dZdS )z" Test functions for linalg module
    N)linalgarangefloat64arraydot	transpose)assert_assert_raisesassert_equalassert_array_equalassert_array_almost_equalassert_array_lessc                   @   s   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d Zejdddgdd Zejdddgd edgdd ZdS )TestRegressionc                 C   sR   t g d}tdtd}d|_|d }t|\}}|  |  t|| d S )N)yӝ'Y@        yF.<2/3        yʹLTW9>/@yʹLTW9>/y=J&        ytV)忷B$@ytV)忷B$yZynFr62@        y(3%@        y:@        yCr~        yYqs`<        yt&Aۼ           dtype)   r      )r   r   r   shaper   Zeigsortr   )selfZrvaavave r   [/var/www/ai-form-bot/venv/lib/python3.9/site-packages/numpy/linalg/tests/test_regression.pytest_eig_build   s    zTestRegression.test_eig_buildc                 C   s>   g d}t g dg dg dg}t|\}}t|| d S )N)g"&Q@ggdV@g7Z@)g'UlS@4h@%pJ/@)r   g+>V@研qi0)r   r   gJ%~X@)r   r   Zeighr   )r   ZrvalsZcovvalsZvecsr   r   r   test_eigh_build(   s    zTestRegression.test_eigh_buildc                 C   sl   t ddgddgddgddgg}|j\}}t|\}}}tt|d d |d f |}t|td d S )N              ?       @      @)   r&   )	r   r   r   svdr   r   r   npzeros)r   r   mnusZvhbr   r   r   test_svd_build3   s
     
zTestRegression.test_svd_buildc                 C   s   t ttjtg dd d S )N)r#   r$   r%   fro)r	   
ValueErrorr   normr   )r   r   r   r   test_norm_vector_badarg=   s    z&TestRegression.test_norm_vector_badargc                 C   sF   t ddgddggdd}t |dd}t|}t|}t|| d S )NgC$ 3@g&ug.ܷ#@z>f8r   z<f8)r   r   choleskyr   )r   r   r.   Zapbpr   r   r   test_lapack_endianB   s    

z!TestRegression.test_lapack_endianc                 C   s   t dd}t j| d S )Ni  B   )r(   eyer   r'   )r   xr   r   r   test_large_svd_32bitL   s    z#TestRegression.test_large_svd_32bitc                 C   s   dD ]}t tfD ]z}tj||d}tj|dd}tt|dk}t|d ttj	|d t
dtjj|dd t|}t|| qqd S )	N))      )r<   r<   )r<   r;   r   F)Z
compute_uvg      ?   r&   ord)floatcomplexr(   Zonesr   r'   Zcount_nonzeroabsoluter
   matrix_rankr   r2   Zsvdvalsr   )r   r   tr   wcZ	w_svdvalsr   r   r   test_svd_no_uvQ   s    

zTestRegression.test_svd_no_uvc                 C   s\  t jt ddgddgtd}t|}t|ddg t|jt dk tj|dd}t|ddg t|jt dk tj|dd}t|ddg t|jt dk tt	tj|dd tt	tj|dd tt	tj|t j
d tt	tj|t j
 d tt	tj|dd tt	tj|d	d tt	tj|d
d t jt ddgddgg dgtd}t|}t|ddg t|jt dk tj|dd}t|ddg t|jt dk tttj|dd tt	tj|t j
d tt	tj|t j
 d tt	tj|dd tt	tj|dd tt	tj|d	d tttj|dd tttj|d
d tt	tj|dd d S )Nr   r=   r   r   r>   r&   r0   Znuc)r   r   r   r;   )r(   r   objectr   r2   r   r   r   r	   r1   inf	TypeError)r   Z
testvectorr2   Z
testmatrixr   r   r   test_norm_object_array_   sJ    

z%TestRegression.test_norm_object_arrayc           
      C   sx   d}d}t j||dt j||  }t j||dt j||  }||}tj||d d\}}}}	t|| d S )N   F   y              ?)Zrcond)r(   randomZrandnr   r   Zlstsqr   )
r   sizeZn_rhsGr,   r.   Zu_lstsqresZranksvr   r   r   test_lstsq_complex_larger_rhs   s      
z,TestRegression.test_lstsq_complex_larger_rhsupperTFc                 C   s(   t jjt d|d}|jdks$J d S )N)r   r   )rV   r   )r(   r   r4   r)   rQ   )r   rV   rS   r   r   r   test_cholesky_empty_array   s    z(TestRegression.test_cholesky_empty_arrayrtolr"   r<   r<   c                 C   s,   t d}t jj||d}|jdks(J d S )N)r<   r;   r&   )rX   rY   )r(   r)   r   rC   r   )r   rX   r9   rS   r   r   r   test_matrix_rank_rtol_argument   s    
z-TestRegression.test_matrix_rank_rtol_argumentN)__name__
__module____qualname__r   r!   r/   r3   r6   r:   rG   rM   rU   pytestmarkZparametrizerW   r(   r)   rZ   r   r   r   r   r      s   

-
r   )__doc__warningsr^   numpyr(   r   r   r   r   r   r   Znumpy.testingr   r	   r
   r   r   r   r   r   r   r   r   <module>   s     