o
    V=ºiq  ã                   @   sf   d 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ƒZdS )z" Test functions for linalg module
é    N)ÚlinalgÚarangeÚfloat64ÚarrayÚdotÚ	transpose)Úassert_Úassert_raisesÚassert_equalÚassert_array_equalÚassert_array_almost_equalÚassert_array_lessc                   @   sT   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dS )ÚTestRegressionc                 C   sR   t g d¢ƒ}tdtd�}d|_|d }t |¡\}}| ¡  | ¡  t||ƒ d S )N)yþºÓ�'ÎY@        yF.“<2/3À        yšÊ¹LTã¿WŒ¡9>°/@yšÊ¹LTã¿WŒ¡9>°/Ày=J€õ½&À        yt…�V)å¿·BÜÅÉÕ$@yt…�V)å¿·BÜÅÉÕ$ÀyZynFr62@        yÝ(�Ã3%@        yÖ´:@        yCr~è¿        y§Y·qs`Û<        yt&²üáAÛ¼        é©   ©Údtype)é   r   é   )r   r   r   Úshaper   ZeigÚsortr   )ÚselfZrvaÚaÚvaÚve© r   úhC:\Users\psant\Downloads\PAF backend\school\venv\Lib\site-packages\numpy/linalg/tests/test_regression.pyÚtest_eig_build   s   zTestRegression.test_eig_buildc                 C   s>   g d¢}t g d¢g d¢g d¢gƒ}t |¡\}}t||ƒ d S )N)g"¤òŸÃ&Q@gg ÜödV@gƒ»7¯ÿªZ@)g'ŽU­ùlS@ç4h¦ƒ@ç%p±ÃJ/@)r   g›+÷À>V@ç ”Þqi0ñ¿)r   r   gJ%~½©‹X@)r   r   Zeighr   )r   ZrvalsZcovÚvalsZvecsr   r   r   Útest_eigh_build&   s   þzTestRegression.test_eigh_buildc                 C   sl   t ddgddgddgddggƒ}|j\}}t |¡\}}}tt|d d …|d …f ƒ|ƒ}t|t d¡ƒ d S )Ng        ç      ð?ç       @ç      @)é   r%   )	r   r   r   Úsvdr   r   r   ÚnpÚzeros)r   r   ÚmÚnÚuÚsZvhÚbr   r   r   Útest_svd_build1   s
    
zTestRegression.test_svd_buildc                 C   s   t ttjtg d¢ƒdƒ d S )N)r"   r#   r$   Úfro)r	   Ú
ValueErrorr   Únormr   )r   r   r   r   Útest_norm_vector_badarg;   s   z&TestRegression.test_norm_vector_badargc                 C   sF   t ddgddggdd�}t |dd�}t |¡}t |¡}t||ƒ d S )Ng¬C$ù 3@gàŽ&ÍÕuÀg.¼Ü·#@z>f8r   z<f8)r   r   Zcholeskyr   )r   r   r-   ZapZbpr   r   r   Útest_lapack_endian@   s   ÿÿ

z!TestRegression.test_lapack_endianc                 C   s   t  dd¡}t j |¡ d S )Niè  éB   )r'   Zeyer   r&   )r   Úxr   r   r   Útest_large_svd_32bitJ   s   z#TestRegression.test_large_svd_32bitc                 C   s~   dD ]:}t tfD ]3}tj||d�}tj|dd�}t t |¡dk¡}t|dƒ ttj 	|¡dƒ t
dtjj|dd�ƒ qqd S )	N))é   é   )r8   r8   )r8   r7   r   F)Z
compute_uvg      à?é   r%   ©Úord)ÚfloatÚcomplexr'   Zonesr   r&   Zcount_nonzeroÚabsoluter
   Zmatrix_rankr   r1   )r   r   Útr   ÚwÚcr   r   r   Útest_svd_no_uvO   s   
úÿzTestRegression.test_svd_no_uvc                 C   s”  t jt  ddg¡ddgtd�}t |¡}t|ddgƒ t|jt  d¡kƒ tj|dd�}t|ddgƒ t|jt  d¡kƒ tj|dd�}t|ddgƒ t|jt  d¡kƒ 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 d	t¡ tttftj|dd� W d   ƒ n1 sœw   Y  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ƒ t|jt  d¡kƒ tj|dd�}t|ddgƒ t|jt  d¡kƒ 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   r9   r   r   r:   r%   r/   ZnucÚerroréÿÿÿÿéþÿÿÿ)r   r   r   r7   )r'   r   Úobjectr   r1   r   r   r   r	   r0   ÚinfÚwarningsÚcatch_warningsÚsimplefilterÚDeprecationWarningÚAttributeErrorÚ	TypeError)r   Z
testvectorr1   Z
testmatrixr   r   r   Útest_norm_object_arrayZ   sT   

ÿþÿÿ
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||ƒ d S )Né   éF   y              ð?)Zrcond)r'   ÚrandomZrandnr   r   Zlstsqr   )
r   ÚsizeZn_rhsÚGr+   r-   Zu_lstsqÚresZrankÚsvr   r   r   Útest_lstsq_complex_larger_rhsŠ   s     
z,TestRegression.test_lstsq_complex_larger_rhsN)Ú__name__Ú
__module__Ú__qualname__r   r!   r.   r2   r3   r6   rB   rN   rV   r   r   r   r   r      s    

0r   )Ú__doc__rH   Znumpyr'   r   r   r   r   r   r   Znumpy.testingr   r	   r
   r   r   r   r   r   r   r   r   Ú<module>   s      