o
    '&igO                     @   s  d dl mZ d dl mZ d dlZ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mZmZmZmZmZmZmZ d dlmZmZ d dlmZ g dg d	fZeejed
dgg7 ZddhZdd Z ej!"de  dd Z#ej!"dedd Z$ej!"dedd Z%ej!"dedd Z&ej!"dedd Z'dd  Z(d!d" Z)d#d$ Z*d%d& Z+d'd( Z,d)d* Z-ej!"d+g d,ej!"d-ed.d/ Z.ej!"d-ed0d1 Z/d2d3 Z0ej!"d4e0 d5d6 Z1d7d8 Z2ej!"d9ed:d; Z3d<d= Z4dS )>    N)assert_allclose)stats   )check_normalizationcheck_momentcheck_mean_expectcheck_var_expectcheck_skew_expectcheck_kurt_expectcheck_entropycheck_private_entropycheck_edge_supportcheck_named_argscheck_random_state_propertycheck_picklingcheck_rvs_broadcastcheck_freezing)distdiscreteinvdistdiscrete)rv_discrete_frozen)r            )皙?皙?g333333?g?values ZzipfianZ
nhypergeomc                  c   sV    t  } tD ]"\}}|tv rtj|||tjjdV  n|||| vfV  | | qd S )N)Zmarks)setr   distslowpytestparammarkZslowadd)seendistnameargr   r   PC:\wamp64\www\opt\env\Lib\site-packages\scipy/stats/tests/test_discrete_basic.pycases_test_discrete_basic   s   r(   zdistname,arg,first_casec                 C   s^  zt t| }W n ty   | }d} Y nw tjd |j|ddi}t|}|j| \}}t|||| d  t	|||  t
|||| d  t|| d}t||||| d  |rd	}	|j|j|j|j|jg}
d
dddd}|| d}t||||	|
 | dkrt| t|| t|| t|| t|||  |jjtjjkrt||tj d S d S d S )Nsample distributioniP sizei  z cdf_ppfz oth{Gz?z
 chisquare)r      r   r      )randintZ	hypergeomZ	bernoullinchypergeom_walleniusr   )getattrr   	TypeErrornprandomseedrvsuniquecheck_cdf_ppfcheck_pmf_cdf	check_othr   check_discrete_chisquarepmflogpmfcdflogcdflogsfgetr   check_scale_docstringr   r   r   r   	__class__Z_entropyrv_discreter   )r%   r&   Z
first_casedistfnr5   suppmvalphaZlocscale_defaultsZmethsZspec_kkr   r   r'   test_discrete_basic$   sL   





rJ   zdistname,argc                 C   s   zt t| }W n ty   | }d} Y nw |j|ddi\}}}}t|||  t|||||  t||||  t|||||  t||||||  | dvrTt||||||  t	|||d t	|||||  d d S )Nr)   momentsmvsk)Zzipf	yulesimonr   r   )
r0   r   r1   r   r   r   r   r	   r
   check_moment_frozen)r%   r&   rD   rF   rG   srI   r   r   r'   test_momentsO   s    rP   zdist,shape_argsc                 C   s   | dv }zt t| }W n ty!   | }d| jd| jd} Y nw td}|j}g }g }t|D ]"}|d fd|d   }	|| }
|	t
|	|
 |d	|	d	  q2|	| |	|j t|| |||tjg d S )
N)Z	betabinomskellamrM   ZdlaplaceZnchypergeom_fisherr/   zrv_discrete(values=(z, z))r   r   )r   r   r   )r0   r   r1   xkpkr2   zerosZnumargsrangeappendfullinsertr*   r   int_)distZ
shape_argsZ
shape_onlyZdistfunclocnargsZallargsZbshaperI   ZshpZ	param_valr   r   r'   test_rvs_broadcastf   s&   

r]   z	dist,argsc              	   C   s   zt t| }W n ty   | }Y nw tjd tjdddtjddg}|j| \}}|D ]&}t	|d | || g|j
dg|R d|i|j
d	g|R d|ig q1d S )
NM r   r   
           r[         ?)r0   r   r1   r2   r3   r4   r.   supportnptassert_array_equalppf)rZ   argsrD   re_locs_a_br[   r   r   r'   test_ppf_with_loc   s   .rl   z
dist, argsc           	      C   sP  zt t| }W n ty   | }Y nw tjd tjdddtjddg}|j| \}}|D ]*}|| |d | f}|jdg|R d|i|jd	g|R d|if}t	
|| q1tjjddd
dtd
tjjddd
dg}|j| \}}|D ]*}|| |d | f}|jdg|R d|i|jd	g|R d|if}t	
|| q{d S )Nr^   r_   r`   r   r   ra   rb   r[   rc   )   r   r*   )r0   r   r1   r2   r3   r4   r.   rd   isfre   rf   rT   )	rZ   rh   rD   ri   rj   rk   r[   expectedresr   r   r'   test_isf_with_loc   s,   00rr   c           	      C   s   | j |g|R  }|dt|  }t| j|g|R  ||d  t| j| j |g|R  d g|R  ||d  t| dsk| j| \}}|||k  }t| j| j |g|R  d g|R  || j |d  d S d S )N   z
-roundtrip:0yE>rR   z ppf-cdf-next)	r=   r2   spacingre   rf   rg   hasattrrd   inc)	rD   r&   rE   msgZcdf_suppZ	cdf_supp0rj   rk   Zsupp1r   r   r'   r7      s   &
&r7   c              	   C   s8  t | dr	| j}nt| jdg|R  d }tt||d }| j|g|R  }| j|g|R   }d\}}|dkr?d\}}t	j
||d  ||d  ||d	 t|}	|	d d
 t|	d  }
t	| j|
g|R  d d}| |d|i}t	
||	dd  | t||	|  t	||
| d d S )NrR   r+   r   ra   )绽|=ry   rQ   )h㈵>rz   r   atolrtolr`   r         ?r[   )rv   rR   intrg   listrU   r=   r;   cumsumre   r   r2   Zasarraydiffassert_equal)rD   r&   r%   indexZstartindZcdfsZpmfs_cumr|   r}   rI   Z	k_shiftedr[   rZ   r   r   r'   r8      s&   

.r8   c                 C   s    t j| | ||ddd d S )Nry   r{   )re   r   moment)rD   r&   rF   rI   r   r   r'   rN      s   
rN   c                 C   s   t j| j|g|R  d| j|g|R   ddd tddd}t j| j|g|R  | jd| g|R  ddd | jdg|R  }t | j|d g|R  dk t | j|d g|R  dk d S )	Nrc   ry   r{   r+   Gz?   r~   r   )	re   r   sfr=   r2   linspacero   rg   assert_)rD   r&   rE   rx   qZ	median_sfr   r   r'   r9      s   (( $r9   c                 C   s>  d}| j | \}}tt|d}tt|dd }	t||	}
d}|g}g }|
D ])}| j|g|R  }|| |d krP|| |||  |}|d| krP nq'|d |k rc|| |d|  t|}t|}|d }||d< t	||\}}t
t|t|| \}}t||kd	|t|t|f  d
S )as  Perform chisquare test for random sample of a discrete distribution

    Parameters
    ----------
    distname : string
        name of distribution function
    arg : sequence
        parameters of distribution
    alpha : float
        significance level, threshold for p-value

    Returns
    -------
    result : bool
        0 if test passes, 1 if test fails

    g?ii  r   r   g+=r`   rt   z2chisquare - test for %s at arg = %s with pval = %sN)rd   r   maxminrU   r=   rV   r2   arrayZ	histogramr   Z	chisquarelenre   r   str)rD   r&   r5   rH   rx   Zwsupprj   rk   lohighZdistsupportlastZdistsuppZdistmassiicurrentZhistsuppfreqZhsuppZchisZpvalr   r   r'   r:      s>   





r:   c                 C   s"   | j d urtd| j v d S d S )Nscale)__doc__re   r   )rD   r   r   r'   rA   4  s   
rA   method)r;   r<   r=   r>   r   r?   rg   ro   zdistname, argsc                    s   zt t| W n
 ty   Y d S w | dv rddg}nddg}dd |D }ddg} j|g|R d|i}tj| fd	dt|g||R  D d
d
d d S )N)rg   ro   r   r   r   r   c                 S   s   g | ]}|gd  qS )r   r   ).0pr   r   r'   
<listcomp>H      z+test_methods_with_lists.<locals>.<listcomp>r[   c                    s   g | ]} j | qS r   )r;   )r   rG   rZ   r   r'   r   L  r   V瞯<)r}   r|   )r0   r   r1   r;   re   r   zip)r   r%   rh   zp2r[   resultr   r   r'   test_methods_with_lists:  s   
 
r   c                 C   s>   t t| }tdd}|j|g|R  }tj}t|| d S )Nrs   )r0   r   r2   Zaranger=   nanre   r   )r%   rh   rZ   xvalsrp   r   r   r'   test_cdf_gh13280_regressionP  s
   
r   c               	   c   s    ddhi} t  }tD ]A\}}||v rq|| ztt|}W n	 ty)   Y qw | }t|D ]\}}|j| 	|t  v sC|j
sDq2||j|fV  q2qd S )NZnbinomn)r   r   r#   r0   r   r1   _shape_info	enumeratenamer@   Zintegrality)Zintegrality_exceptionsr$   r%   shapesrZ   
shape_infoishaper   r   r'   "cases_test_discrete_integer_shapesZ  s*   

r   zdistname, shapename, shapesc                 C   s   t t| }| }dd |D }||}t|}|| }|d }	|d }
|g|	g|
gg||< |j| \}}tt||d}|j	|g|R  }t
t|dd d f rYJ tt|dd d f siJ t
t|dd d f ryJ d S )Nc                 S   s   g | ]}|j qS r   )r   )r   r   r   r   r'   r   y  s    z'test_integer_shapes.<locals>.<listcomp>r~   r   rm   r   r   )r0   r   r   r   r   rd   r2   roundr   r;   anyisnanall)r%   Z	shapenamer   rZ   r   Zshape_namesr   Zshapes_copyZvalid_shapeZinvalid_shapeZnew_valid_shapeabr   r;   r   r   r'   test_integer_shapest  s   

  $r   c                  C   s   d} t jt| d tddj W d    n1 sw   Y  t jt| d tddj W d    n1 s9w   Y  dtj_tdd}t|tsOJ t	tjd d S )Nz,'rv_discrete_frozen' object has no attribute)matchra   r~   Zherringpdf)
r    ZraisesAttributeErrorr   Zbinomr   Zlogpdf
isinstancer   delattr)messageZfrozen_binomr   r   r'   test_frozen_attributes  s   r   zdistname, shapesc                 C   s   t | trtt| }n| }|j| \}}t|jddgg|R  |d |f t|jddgg|R  |d |f t|j	dg|R  |d |f d S )Nr   r   )
r   r   r0   r   rd   re   r   rg   ro   interval)r%   r   rZ   r   r   r   r   r'   test_interval  s   
&&&r   c                     sH  t jd} t | dd }| d}|t | }tj||fd t dg|d d   | d }t |dd   |d d g | d }t 	|}t dg|d d   | d }t |dd   dg | d } 
 \}}	t||d  t|	|d  t || t |d t |d t jdd	' t |t | t |t j  t |t j  W d    n1 sw   Y  t || t || t |dg|d d    t jdd	8 t |t  |d
d t |t  |d
d t |t  |d
d W d    n	1 s9w   Y  t |d |  t |d |  t |d |  t jdd	8 t |t  |d
d t |t  |d
d t |t  |d
d W d    n	1 sw   Y  t || t || t |d d |dd   t d|d  t d|	  |}
t |
| t d|  | t d|  | t d|	 t d|d  t ddd} |d  |d f}t d| | t d   t d|d |	f  d}t  | t || }t || d | }t || d | |d  }t || d | |d  d }t  | t  t | t  | t jdd||||f t |d | }t d| t dd d t  | t dd | t jdd	 t  fdd     W d    n	1 sw   Y  t jd}  j!d| d}t jd}  | jdd}t|| d S )Nl   KU[ ra   r   r   r`   r   r   ignore)divider   )r|   r+   r   r~   r   g      ?r   rL   )rK   c                 S   s   dS )Nr   r   r   r   r   r'   <lambda>  s    z test_rv_sample.<locals>.<lambda>c                 S   s   | d S )Nr   r   r   r   r   r'   r     s    c                    s
     | S )N)r<   r   r   r   r'   r     s   
 d   )r*   Zrandom_statern   )"r2   r3   Zdefault_rngsortsumr   rC   r   tolistr   rd   r   r;   Zerrstater<   loginfr=   r>   r   r?   rg   ro   r   r   ZmedianmeanZstdsqrtvarr   expectZentropyr5   )rngrR   rS   Zxk_leftZxk_rightZcdf2Z	cdf2_leftZ
cdf2_rightr   r   Zsf2ZpsZint2Zmed2Zmean2Zvar2Zskew2Zkurt2Zmom3r5   Zrvs0r   r   r'   test_rv_sample  s   
$,
$$"		 

" r   )5Znumpy.testingtestingre   r   numpyr2   r    Zscipyr   Zcommon_testsr   r   r   r   r	   r
   r   r   r   r   r   r   r   r   Zscipy.stats._distr_paramsr   r   Z!scipy.stats._distn_infrastructurer   r   rC   r   r(   r"   ZparametrizerJ   rP   r]   rl   rr   r7   r8   rN   r9   r:   rA   r   r   r   r   r   r   r   r   r   r   r'   <module>   sT    @

*

$

8
	

