B
    `}                 @   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d	d
ddddddddg
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   s>  t d | tkr&tjt|| d}ntjt|| d}t||||d\}}}t||| | d|d t	| j
 d |j| kst|jt|jkst|j| kstt|d |d |f |d ||d f ||d d |f ||d |d f g|d\}}}t||| | d|d t	| j
 d |j| ks<t|jt|jksTt|j| ksdt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 )Ni  )dtype)r   g        g     @@)rtolatolF)	compute_ur   
   )
compute_vhr   )r   r   r   )r   COMPLEX_DTYPESnparrayr   rvsr   r   r   finfoepsr   AssertionErrorreal)r	   mpqr   xucsvh_Zcs2Zvh2u2 r,   T/home/dcms/DCMS/lib/python3.7/site-packages/scipy/linalg/tests/test_decomp_cossin.pytest_cossin   s>    (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st	|jtjkst	|jtjkst	t
| || | ddttjj d d S )Ni  r   )r   r
   g        g     @)r   r   )r   r   r   r   r   float64r   
complex128r   r!   r   r   r    )r&   r'   r(   r)   r,   r,   r-   test_cossin_mixed_typesG   s    r1   c            	   C   sB   t jtdd* tddgdddgdd	gd
ddgf W d Q R X 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 Q R X t jtdd$ tddgg ddgdd	d
gf W d Q R X t jtdd& tddgdddgg dd	d
gf W d Q R X t jtdd" tddgdddgdgg f W d Q R X d S )Nz
x11.*empty)r2   z
x12.*emptyr   r
   r4   r5   r6   r7   r   z
x21.*emptyr   r   r3   z
x22.*empty)r8   r9   r:   r   r,   r,   r,   r-   !test_cossin_error_empty_subblocks[   s    (*r<   c            	   C   sT   t jtdd ttd W d Q R X t jtdd ttd W d Q R X d S )Nz.*exactly four arrays.* got 2)r2   r
   z.*might be due to missing p, qr   )r8   r9   r:   r   r   r   r,   r,   r,   r-   &test_cossin_error_missing_partitioningf   s    r=   c            	   C   s&   t jtdd td W d Q R X d S )Nzcontaining the subblocks of X)r2   y              (@)r8   r9   r:   r   r,   r,   r,   r-   test_cossin_error_non_iterablen   s    r>   c            	   C   s6   t jtdd ttddggdd W d Q R X d S )Nzonly supports square)r2   r   r
   )r8   r9   r:   r   r   r   r,   r,   r,   r-   test_cossin_error_non_squares   s    r?   c           	   C   s   t jtdt jd} tjtdd t| dd W d Q R X tjtdd t| dd W d Q R X tjtdd t| dd	 W d Q R X tjtd
d t| dd W d Q R X d S )Nr   )r   zinvalid p=0.*0<p<4.*)r2   r   r   zinvalid p=4.*0<p<4.*zinvalid q=-2.*0<q<4.*zinvalid q=5.*0<q<4.*r3   )	r   r   r   r   r/   r8   r9   r:   r   )r&   r,   r,   r-   test_cossin_error_partitioningw   s    rA   c             C   s  d\}}}| t krdnd}|dkr,t|nt|}tj|| d}t|d |d f|g\}}t||||}|dkr~d|intt	ddg|}	||d |d |f |d ||d f ||d d |f ||d |d f f|	^ }
}}}}}}
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 )N)   P      orZun)r   csdZ	csd_lworkZlworkZlrworkT)Zseparateg        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     
brO   )!r8   numpyr   Znumpy.randomr   Znumpy.testingr   Zscipy.linalg.lapackr   Zscipy.statsr   r   Zscipy.linalgr   r   float32r/   rG   Z	complex64r0   r   ZDTYPESmarkZparametrizer.   r1   r;   r<   r=   r>   r?   rA   rO   r,   r,   r,   r-   <module>   s<   *