o
    &&i'                     @   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
mZ d dlmZmZ ejejfZejejfZee Ze jdee jdg d	e jd
ddg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edd Z dS )    N)seed)assert_allclose)_compute_lwork)ortho_groupunitary_group)cossinget_lapack_funcsdtype_zm, p, q)
)      r   )   r
   r   )r   r   r
   )   r
   r
   )r   r   r
   )(         )r      r   )r   r   r   )d   2   r   )r   r   r   	swap_signTFc                 C   s8  t d | tv rtjt|| d}n
tjt|| d}t||||d\}}}t||| | d|d t	| j
 d |j| ksCJ |jt|jksNJ |j| ksUJ t|d |d |f |d ||d f ||d d |f ||d |d f g|d\}}}t||| | d|d t	| j
 d |j| ksJ |jt|jksJ |j| ksJ t|||d|d\}	}
}t||
dd	t	| j
 d t||dd	t	| j
 d t|||d|d
\}}
}	t||dd	t	| j
 d t||
dd	t	| j
 d t|||dd|d\}	}
}	t||
dd	t	| j
 d d S )N  dtype)r           g     @@ZrtolZatolF)	compute_ur   
   )
compute_vhr   )r   r   r   )r   COMPLEX_DTYPESnparrayr   rvsr   r   r   finfoepsr   real)r	   mpqr   xucsvh_Zcs2Zvh2u2 r-   PC:\wamp64\www\opt\env\Lib\site-packages\scipy/linalg/tests/test_decomp_cossin.pytest_cossin   sH   (L( r/   c                  C   s   t d tjtdtjd} t| d dd df tj| d ddd f tjd| dd d df | dd dd f g\}}}|jtjksHJ |jtjksPJ |jtjksXJ t	| || | ddt
tjj d d S )Nr   r   r   r
   r   g     @r   )r   r   r   r   r    float64r   
complex128r   r   r!   r"   )r'   r(   r)   r*   r-   r-   r.   test_cossin_mixed_typesG   s   
r2   c                   C   sT   t jtdd tddgg dddgg df W d    d S 1 s#w   Y  d S )	Nz!be due to missing p, q arguments.matchr   r
   r   r               	   r   pytestraises
ValueErrorr   r-   r-   r-   r.   %test_cossin_error_incorrect_subblocksV   s   ""r@   c                   C   s   t jtdd tg g g g f W d    n1 sw   Y  t jtdd tddgg ddgg df W d    n1 s?w   Y  t jtd	d tddgg d
g g df W d    n1 sdw   Y  t jtdd tddgg d
dgg f W d    d S 1 sw   Y  d S )Nz
x11.*emptyr3   z
x12.*emptyr   r
   r7   r8   r9   z
x21.*emptyr5   z
x22.*emptyr<   r-   r-   r-   r.   !test_cossin_error_empty_subblocks[   s   "rA   c                   C   s~   t jtdd ttd W d    n1 sw   Y  t jtdd ttd W d    d S 1 s8w   Y  d S )Nz.*exactly four arrays.* got 2r3   r
   z.*might be due to missing p, qr   )r=   r>   r?   r   r   r    r-   r-   r-   r.   &test_cossin_error_missing_partitioningf   s   "rB   c                   C   s<   t jtdd td W d    d S 1 sw   Y  d S )Nzcontaining the subblocks of Xr3   y              (@r<   r-   r-   r-   r.   test_cossin_error_non_iterablen   s   
"rC   c                   C   sL   t jtdd ttddggdd W d    d S 1 sw   Y  d S )Nzonly supports squarer3   r   r
   )r=   r>   r?   r   r   r   r-   r-   r-   r.   test_cossin_error_non_squares   s   "rD   c                  C   s  t jtdt jd} tjtdd t| dd W d    n1 s#w   Y  tjtdd t| dd W d    n1 s@w   Y  tjtdd t| dd	 W d    n1 s]w   Y  tjtd
d t| dd W d    d S 1 s{w   Y  d S )Nr   r   zinvalid p=0.*0<p<4.*r3   r   r   zinvalid p=4.*0<p<4.*zinvalid q=-2.*0<q<4.*zinvalid q=5.*0<q<4.*r6   )	r   r   r   r    r0   r=   r>   r?   r   )r'   r-   r-   r.   test_cossin_error_partitioningw   s   "rF   c                 C   s  t d d\}}}| tv rdnd}|dkrt|nt|}tj|| d}t|d |d f|g\}}t||||}|dkrCd|int	t
dd	g|}	||d |d |f |d ||d f ||d d |f ||d |d f fi |	^ }
}}}}}}
t|||d
d\\}}}\}}t||ddt| j d t||ddt| j d t||ddt| j d t||ddt| j d t||ddt| j d d S )Nr   )   P      orunr   csdZ	csd_lworkZlworkZlrworkT)Zseparater   r   r   )r   REAL_DTYPESr   r    r   r   r   r   r   dictzipr   r   r!   r"   )r	   r$   r%   r&   pfxXdrvZdlwZlwvalZlwvalsr+   thetau1r,   Zv1tZv2tZu1_2Zu2_2Ztheta2Zv1t_2Zv2t_2r-   r-   r.   test_cossin_separate   s(   
T rU   )!r=   numpyr   Znumpy.randomr   Znumpy.testingr   Zscipy.linalg.lapackr   Zscipy.statsr   r   Zscipy.linalgr   r   Zfloat32r0   rM   Z	complex64r1   r   ZDTYPESmarkZparametrizer/   r2   r@   rA   rB   rC   rD   rF   rU   r-   r-   r-   r.   <module>   s2    )