U
    ?h3                     @   s  d dl ZddlmZ ddlmZmZmZm	Z	m
Z
mZmZ d dlZddd	Zeed
ejZde_eedejZde_eed
ejZde_eedejZde_dddZeed
ejZde_eedejZde_eed
ejZde_eedejZde_dS )    N   )pypocketfft)	_asfarray_init_nd_shape_and_axes_datacopied
_fix_shape_fix_shape_1d_normalization_workers   Fc
                 C   s   t |}
|pt|
|}t|| }t|}| sF|dkr:d}n|dkrFd}|dk	rht|
||\}
}|pd|}n"|
j| dk rtd|
j| |r|
nd}t	|r|dkrt
|
n|}||
j||f||j| ||
j||f||j| |S ||
||f||||	S )zForward or backward 1-D DCT/DST

    Parameters
    ----------
    forward : bool
        Transform direction (determines type and normalisation)
    transform : {pypocketfft.dct, pypocketfft.dst}
        The transform to perform
    r      Nr   z-invalid number of data points ({0}) specified)r   r   r	   r
   r   shape
ValueErrorformatnpiscomplexobj
empty_likerealimag)forward	transformxtypenZaxisnormoverwrite_xworkersorthogonalizetmpcopiedout r"   U/var/www/html/venv/lib/python3.8/site-packages/scipy/fft/_pocketfft/realtransforms.py_r2r   s.    


r$   Tdctidctdstidstc
                 C   s   t |}
t|
||\}}|p$t|
|}t|dkr6|S t|
||\}
}|pL|}| sl|dkr`d}n|dkrld}t|| }t|}|r|
nd}t|r|dkrt	|
n|}||
j
||||j
| ||
j||||j| |S ||
||||||	S )zForward or backward nd DCT/DST

    Parameters
    ----------
    forward : bool
        Transform direction (determines type and normalisation)
    transform : {pypocketfft.dct, pypocketfft.dst}
        The transform to perform
    r   r   r   N)r   r   r   lenr   r	   r
   r   r   r   r   r   )r   r   r   r   sZaxesr   r   r   r   r   r   r    r!   r"   r"   r#   _r2rn<   s*    

r+   dctnidctndstnidstn)r   Nr   NFNN)r   NNNFNN)numpyr    r   Zpffthelperr   r   r   r   r   r	   r
   	functoolsr$   partialr%   __name__r&   r'   r(   r+   r,   r-   r.   r/   r"   r"   r"   r#   <module>   s:   $      
)      
*