o
    Eb)                     @   s   d dl Zd dlmZ d dlmZmZ d dlmZ	 d dlZd dl
mZmZ d dlmZmZ d dlmZ dd	d
ZG dd dZeejejeefZG dd dZdS )    N)product)assert_equalassert_allclose)raises)upfirdnfirwin)_output_len_upfirdn_modes)	_pad_test   c                 C   sb   t |}t t| | | j}| |dd|< t ||dd| dtt|t| || }|S )zpNaive upfirdn processing in Python.

    Note: arg order (x, h) differs to facilitate apply_along_axis use.
    N)npasarrayzeroslendtypeZconvolver   )xhupdownout r   A/usr/lib/python3/dist-packages/scipy/signal/tests/test_upfirdn.pyupfirdn_naive/   s
   
0r   c                   @   s*   e Zd ZdZdd Zdd Zd
ddZd	S )UpFIRDnCasezTest _UpFIRDn objectc                 C   s0   || _ || _t|| _|| _tjd| _d S )N   )	r   r   r   
atleast_1dr   x_dtyperandomRandomStaterng)selfr   r   r   r   r   r   r   __init__=   s
   zUpFIRDnCase.__init__c                 C   s&  |  td| j |  td| j | jd| j}| jtjtjfv r1|d| jd 7 }|  | |  t	d| j d}| jj| | j}| jtjtjfv ra|d| jj|  7 }t
t|D ]	}| j ||d qg|d d d d ddd df j}t
t|D ]	}| j ||d qd S )Nr   
                 ?)         axisr$   r%   )scrubr   onesr   r   randnastype	complex64
complex128arangeranger   T)r    r   sizer(   r   r   r   __call__D   s"   
 zUpFIRDnCase.__call__c                 C   s:  t t||| j| j| j}tt| j|j| | j| j}|j| |ks%J t	| j|| j| j|d}|j| |ks:J |j|jksBJ | jj
|j
f}tdd |D rZt|j
t j n<t j|v rlt j|v rlt|j
t j n*tdd |D r}t|j
t j nt j|v st j|v rt|j
t j nt|j
t j t|| d S )Nr'   c                 s       | ]}|t jkV  qd S N)r   r-   .0dr   r   r   	<genexpr>d       z$UpFIRDnCase.scrub.<locals>.<genexpr>c                 s   r5   r6   )r   float32r7   r   r   r   r:   h   r;   )r   Zapply_along_axisr   r   r   r   r   r   shaper   r   allr   r-   r<   r.   float64r   )r    r   r(   Zyrwant_lenyZdtypesr   r   r   r)   [   s&   
zUpFIRDnCase.scrubN)r4   )__name__
__module____qualname____doc__r!   r3   r)   r   r   r   r   r   ;   s
    r   c                   @   s  e Zd Zdd Zejdg dejdg ddd Zdd	 Zejd
ddddg dfddddg dfddddg dfddddg dfddddg dfgdd Z	ejdg ddd Z
ejdeejddejdg d d!d" Zejdeejd#eejd$eed%d%d&d' Zd(d) Zejd*ed+d, Zejd-ed.gg d/eejejejejgd0d1 Zd2S )3TestUpfirdnc                 C   sF   t ttdgdgdd t ttg dgdd t ttdggdgdd d S )Nr   r   )assert_raises
ValueErrorr   )r    r   r   r   test_valid_inputv   s   zTestUpfirdn.test_valid_inputlen_h)r   r$   r%      r&   len_xc                 C   sZ   t |}d||d < t |}t||dd}t ||d |d d fd}t|| d S )N      ?r$   r   constant)r   r   r*   r   padr   )r    rJ   rL   r   r   rA   Zwantr   r   r   test_singleton{   s   

zTestUpfirdn.test_singletonc                 C   sJ   t ddgdgdd}t|ddg t ddgddgdd}t|g d d S )Nr   rM   g        )r   r   r   )r   r   )r    rA   r   r   r   test_shift_x   s   zTestUpfirdn.test_shift_xz len_h, len_x, up, down, expectedr$   r&   )r   r   r   r   r%      )r   r   r   r   r   rK   )r   r   r   r   r   )r   r   r   r   r      )r   r   r   r   r   r   r   c           	      C   s8   t |}d|d< t |}t||||}t|| d S )NrM   r   )r   r   r*   r   r   )	r    rJ   rL   r   r   Zexpectedr   r   rA   r   r   r   test_length_factors   s
   
	
zTestUpfirdn.test_length_factorszdown, want_len))r$   i  )rS   i  )O      c                 C   s   t jd}tt jt jttf}d}|D ]O}||	|}|t jt j
fv r.|d|| 7 }tdd| dd}t||d|}	t||d|d	}
|
j|fksNJ |	jd
 |
jd
 ksZJ t|	|
ddd qd S )Nr   i'  r#      rM   Zhamming)Zwindowr   )r   r   r   gHz>atolrtol)r   r   r   intr<   r-   floatcomplexr+   r,   r.   r   r   r   r=   r   )r    r   r@   random_stateZ	try_typesr2   r   r   r   ZylrA   r   r   r   test_vs_convolve   s   zTestUpfirdn.test_vs_convolver   r   )rM   r#   zup, down)r   r   )r$   r$   )r%   r$   )r$   r%   c                 C   s   t ||||  d S r6   )r   )r    r   r   r   r   r   r   r   test_vs_naive_delta   s   zTestUpfirdn.test_vs_naive_deltah_dtypezp_max, q_max)r"   d   c                 C   s$   |  ||||}|D ]}|  q
d S r6   )_random_factors)r    r   rb   p_maxq_maxteststestr   r   r   test_vs_naive   s   zTestUpfirdn.test_vs_naivec                 C   s   d}d}t jd}g }t|D ]K}	||kr|nd}
||kr |nd}|||
 }||| }||d }t ||}||}|tkrQ|d|| 7 }|t	|||| q|S )Nr%      r   r   r#   )
r   r   r   r0   Zrandintr   r,   r]   appendr   )r    re   rf   rb   r   Zn_repZ	longest_hr^   rg   _Zp_addZq_addpqrJ   r   r   r   r   rd      s    
zTestUpfirdn._random_factorsmodec           
      C   s  t jg dtd}d\}}t||||d}|dkr!t g d}nY|dkr-t g d}nM|d	kr9t g d
}nA|dkrp|d |d  t|d  }|d t | dd|  }|d t d|d |  }	t |||	f}n
t j|||f|d}t	|| dS )z@Test vs. manually computed results for modes not in numpy's pad.)r   r$   r%   r   r   )rR   rR   nprenpostro   antisymmetric)r%   r   r4   r4   r   r$   r%   r   r4   ru   rv   r4   r   r$   antireflect)r   r$   r%   r   r4   r   r   r$   r%   r   r4   r   r   r$   r%   r   smooth)ru   rv   r4   r   r   r$   r%   r   r4   ru   ry   iiiliner4   r   r   ro   N)
r   Zarrayr\   r
   r   r   r/   ZconcatenaterO   r   )
r    ro   r   rr   rs   rA   
y_expectedZ	lin_slopeleftrightr   r   r   test_extensions   s,   zTestUpfirdn.test_extensionszsize, h_len, mode, dtype   )rK   r&      c                 C   s   t jd}|||}|t jt jfv r|d|| 7 }t jdd| |jj	d}t
||dd|d}|d }	|dv rEt||	|	|d}
nt j||	|d}
t
||
ddd	d}||	|	  }t |jd
  }}t||||d d S )Nr&   r#   r   rp   )r   r   ro   )rt   rw   rx   r{   rq   r|   rN   g      Y@rX   )r   r   r   r+   r,   r-   r.   r/   realr   r   r
   rO   ZfinfoZepsr   )r    r2   Zh_lenro   r   r^   r   r   rA   ZnpadZxpadZypadr}   rY   rZ   r   r   r   
test_modes   s   
zTestUpfirdn.test_modesN)rB   rC   rD   rI   pytestZmarkZparametrizerP   rQ   rT   r_   _UPFIRDN_TYPESra   listr   ri   rd   r	   r   r   r<   r?   r-   r.   r   r   r   r   r   rF   t   sN    	



	rF   r`   )Znumpyr   	itertoolsr   Znumpy.testingr   r   r   r   rG   Zscipy.signalr   r   Zscipy.signal._upfirdnr   r	   Zscipy.signal._upfirdn_applyr
   r   r   r[   r<   r-   r\   r]   r   rF   r   r   r   r   <module>   s   "
6