U
    Hvf.                  	   @   s   d dl Z d dlZd dlZd dlmZ d dlZd dlmZ d dl	Z	d dl
mZ dddgZG dd dZd	d
 Zdd ZdddZG dd dZdS )    N)_pep440)assert_with_special_errorsassert_func_equalFuncDatac                   @   s   e Zd Zdd ZdS )MissingModulec                 C   s
   || _ d S N)name)selfr	    r   </tmp/pip-unpacked-wheel-96ln3f52/scipy/special/_testutils.py__init__   s    zMissingModule.__init__N)__name__
__module____qualname__r   r   r   r   r   r      s   r   c                 C   sN   t | tkr"tjjd| jdS tjjt	| j
t|k d| j|dS )Nz{} is not installedreasonz{} version >= {} required)typer   pytestmarkskipformatr	   Zskipifr   parse__version__Versionr   )moduleZmin_verr   r   r   check_version   s
    r   c                    s   t   fdd}|S )zc
    Enable special function errors (such as underflow, overflow,
    loss of precision, etc.)
    c               	      s&   t jdd  | |}W 5 Q R X |S )Nraiseall)scerrstate)akwresfuncr   r   wrapper(   s    z$with_special_errors.<locals>.wrapper)	functoolswraps)r&   r'   r   r%   r   r   #   s    TFc                 C   s   t |drt|}t|}|jdkr6|d d d f }|jd }t |drX|}d }|}n&tj||f }tt||jd }d }t| |tt||||||||	||
|d}|	  d S )Nnext   r   )
result_columnsresult_funcrtolatolparam_filterknownfailurenan_ok
vectorizedignore_inf_signdistinguish_nan_and_inf)
hasattrlistnpasarrayndimshapeZc_ranger   check)r&   resultsZpointsr.   r/   r0   r1   r3   dtyper2   r4   r5   Znparamsdatar,   r-   fdatar   r   r   r   5   s4    




     c                   @   s4   e Zd ZdZdddZdd Zdd	d
Zdd ZdS )r   a  
    Data set for checking a special function.

    Parameters
    ----------
    func : function
        Function to test
    data : numpy array
        columnar data to use for testing
    param_columns : int or tuple of ints
        Columns indices in which the parameters to `func` lie.
        Can be imaginary integers to indicate that the parameter
        should be cast to complex.
    result_columns : int or tuple of ints, optional
        Column indices for expected results from `func`.
    result_func : callable, optional
        Function to call to obtain results.
    rtol : float, optional
        Required relative tolerance. Default is 5*eps.
    atol : float, optional
        Required absolute tolerance. Default is 5*tiny.
    param_filter : function, or tuple of functions/Nones, optional
        Filter functions to exclude some parameter ranges.
        If omitted, no filtering is done.
    knownfailure : str, optional
        Known failure error message to raise when the test is run.
        If omitted, no exception is raised.
    nan_ok : bool, optional
        If nan is always an accepted result.
    vectorized : bool, optional
        Whether all functions passed in are vectorized.
    ignore_inf_sign : bool, optional
        Whether to ignore signs of infinities.
        (Doesn't matter for complex-valued functions.)
    distinguish_nan_and_inf : bool, optional
        If True, treat numbers which contain nans or infs as
        equal. Sets ignore_inf_sign to be True.

    NFTc                 C   s   || _ || _|
| _t|ds"|f}t|| _|d k	r`t|dsD|f}t|| _|d k	rxtdn|d k	rpd | _ntd|| _|| _	|| _
t|ds|f}|| _|	| _|| _|| _|| _|| _| jsd| _d S )N__len__z5Only result_func or result_columns should be providedz7Either result_func or result_columns should be providedT)r&   r@   datanamer6   tupleparam_columnsr,   
ValueErrorr-   r.   r/   r0   r1   r2   r3   r4   r5   )r
   r&   r@   rE   r,   r-   r.   r/   r0   r1   rC   r2   r3   r4   r5   r   r   r   r      s8    





zFuncData.__init__c                 C   s\   t |t jst t}t |}| j| j }}|d krBd|j }|d krTd|j	 }||fS )N   )
r8   
issubdtypeZinexactr?   floatZfinfor.   r/   ZepsZtiny)r
   r?   infor.   r/   r   r   r   get_tolerances   s    



zFuncData.get_tolerancesc           )   
      sz  t dt}jr tjjd  dkr.j |dkr> j}n
 | 	|\}}j
rt jd ftj}tjj
D ](\}|r|t| ddf M }q |  g tjD ]\}	trtj ddf t q|r0|	t|k r0 ddf ||	  q ddf  qdfdd	}
|
j}jdk	rt fddjD }n6d}jrt|d	krt|d }|
j|d
}tt|t|k tt||D ]\}\}}t |jtj!sj"r2t#|}t#|}t#|}t#|}n(t$|}t$|}t%|}t%|}t|}t|}tj&dd\ t'|}d|t(| < t'|| }d|t(| < |t'| }d|t(| < W 5 Q R X ||||  k}||k}||k}||k}||@ |@ |@  }|j)}jrH|| M }|| M }|||B * 8 }j+sjst#|} t#|}!| |@ ||!@ B }"||" M }||"* 8 }t,|rdg}#|#d|| -   |#d|| -   |#dt*|||f  t.|d D ]htfdd}$d/t0|$}%d/t0|$|}&d/t0|$|}'|$|}(|#d|%|&|'|(f  qtdd/|# qdS )z,Check the special function against the data.Zerrisinstancer   Nr   c              	      s   j r|  }nlg }ttd D ]L |d k	rF|  rF|tj q$|| t fddttD   q$t|}t|ts|f}|S )Nr   c                    s   g | ]}|   qS r   r   ).0i)jparamsr   r   
<listcomp>   s     z?FuncData.check.<locals>.eval_func_at_params.<locals>.<listcomp>)	r3   r<   lenappendr8   nanrD   r9   
isinstance)r&   	skip_maskgot)rO   r
   rN   r   eval_func_at_params   s    
,

z+FuncData.check.<locals>.eval_func_at_paramsc                    s   g | ]} d d |f qS r   r   )rL   Zicol)r@   r   r   rP      s     z"FuncData.check.<locals>.<listcomp>r+   )rU   ignorer    zMax |adiff|: %gzMax |rdiff|: %gzCBad results (%d out of %d) for the following points (in output %d):c                    s   dt j|   dd S )Nz%30s   )Z	precision)r8   Zarray2string)xrW   r   r   <lambda>*      z FuncData.check.<locals>.<lambda>z  z%s => %s != %s  (rdiff %s)F
)N)1operatormethodcallerAssertionErrorr1   r   Zxfailr@   r?   ZastyperK   r0   r8   Zonesr;   Zbool_ziprE   r7   	enumerateiscomplexobjintimagrR   complexrQ   r&   r,   rD   r2   isnanr-   r   rH   Zcomplexfloatingr4   isinfZisposinfZisneginfr!   absoluteisfinitesizesumr5   anymaxZnonzerojoinmap))r
   r@   r?   ZdtypesZ__tracebackhide__r.   r/   Z
param_maskfilteridxrX   rV   wantedrU   Z
output_numr\   yZpinf_xZpinf_yZminf_xZminf_yZnan_xZnan_yZabs_yZdiffZrdiffZtol_maskZ	pinf_maskZ	minf_maskZnan_maskZbad_jZpoint_countZinf_xZinf_yZboth_nonfinitemsgfmtr"   bcdr   )r@   rN   rO   r
   r   r=      s     


"















zFuncData.checkc                 C   sX   t ttt j| jrd}nd}| jrDd| jj|t	j
| jf S d| jj|f S dS )z%Pretty-printing, esp. for Nose outputz
 (complex)rZ   z<Data for %s%s: %s>z<Data for %s%s>N)r8   ro   r7   rr   re   rE   rC   r&   r   ospathbasename)r
   Z
is_complexr   r   r   __repr__2  s    
zFuncData.__repr__)NNNNNNNFTFT)NNN)r   r   r   __doc__r   rK   r=   r   r   r   r   r   r   V   s"   (                  
"
 )	NNNNTNFFT)r|   r(   r`   Z
scipy._libr   Znumpyr8   Znumpy.testingr   r   Zscipy.specialspecialr    __all__r   r   r   r   r   r   r   r   r   <module>   s*   
            
!