o
    8ήcP                     @   s  d dl Z d dlmZ d dlZd dlZd dlZd dlZd dlZd dlZ	d dl
mZmZmZ d dlmZ d dlmZ d dl Z d dlmZmZmZmZmZ eddZd	d
 Zdd Zdd Zdd Zdd Zdd Zdd Zdd Z dd Z!dd Z"dd Z#dd  Z$d!d" Z%d#d$ Z&d%d& Z'd'd( Z(d)d* Z)d+d, Z*d-d. Z+d/d0 Z,d1d2 Z-d3d4 Z.d5d6 Z/d7d8 Z0d9d: Z1d;d< Z2d=d> Z3d?d@ Z4dAdB Z5dCdD Z6dEdF Z7dGdH Z8dIdJ Z9dKdL Z:dMdN Z;dOdP Z<dQdR Z=dSdT Z>dUdV Z?dWdX Z@dYdZ ZAG d[d\ d\eeZBG d]d^ d^eBZCG d_d` d`eBZDG dadb dbeDZEG dcdd ddeDZFG dedf dfeDZGG dgdh dheBZHG didj djeBZIG dkdl dleBZJeKdmkrGe L  dS dS )n    N)
namedtuple)compile_isolatedFlagserrorsjit)types)TestCaseenable_pyobj_flagsMemoryLeakMixintagcompile_functionPointabc                 C   s*   | dd dd |D i } td| t S )Ninitializerz, c                 s   s    | ]}t |V  qd S N)repr).0arg r   </tmp/pip-target-vg8gfxp4/lib/python/numba/tests/test_sets.py	<genexpr>   s    z-_build_set_literal_usecase.<locals>.<genexpr>	build_set)joinr   globals)codeargsr   r   r   _build_set_literal_usecase   s   r   c                 C      d}t || S )Nz@if 1:
    def build_set():
        return {%(initializer)s}
    r   r   r   r   r   r   set_literal_return_usecase   s   
r#   c                 C   r    )Nz^if 1:
    def build_set():
        my_set = {%(initializer)s}
        return list(my_set)
    r!   r"   r   r   r   set_literal_convert_usecase"   s   
r$   c                  C   s   t  } | d t| S N   )setaddlensr   r   r   empty_constructor_usecase+   s   
r,   c                 C   s   t | }t|S r   )r'   r)   r   r+   r   r   r   constructor_usecase0   s   r.   c                 C   s$   t | }g }|D ]}|| q|S r   r'   append)r   r+   lvr   r   r   iterator_usecase4   s
   r3   c                 C   s,   t  }||  || || t|S r   )r'   updatelist)r   r   cr+   r   r   r   update_usecase;   s
   


r7   c                 C   s   t | dd  }t|S r%   )r'   boolr-   r   r   r   bool_usecaseB   s   r9   c                 C   $   t | }|D ]}|| qt|S r   )r'   remover5   r   r   r+   r2   r   r   r   remove_usecaseG      r=   c                 C   r:   r   )r'   discardr5   r<   r   r   r   discard_usecaseM   r>   r@   c                 C   s2   t | }tdD ]}|| || qt|S )Ni  )r'   ranger(   r?   r5   )r   ur2   r+   ir   r   r   add_discard_usecaseS   s
   
rD   c                 C   s6   t | }g }t|dkr||  t|dks|S Nr   )r'   r)   r0   pop)r   r+   r1   r   r   r   pop_usecaseZ   s   rG   c                 C   s(   t | }g }|D ]	}|||v  q|S r   r/   )r   r   r+   r1   r2   r   r   r   contains_usecasea   s
   rH   c                 C      t | }|t | t|S r   )r'   difference_updater5   r   r   r+   r   r   r   difference_update_usecaseh      rL   c                 C   rI   r   )r'   intersection_updater5   rK   r   r   r   intersection_update_usecasem   rM   rO   c                 C   rI   r   )r'   symmetric_difference_updater5   rK   r   r   r   #symmetric_difference_update_usecaser   rM   rQ   c                 C      t | t |S r   )r'   
isdisjointr   r   r   r   isdisjoint_usecasew      rT   c                 C   rR   r   )r'   issubsetr   r   r   r   issubset_usecasez   rU   rW   c                 C   rR   r   )r'   
issupersetr   r   r   r   issuperset_usecase}   rU   rY   c                 C   s    t | }|  t|t|fS r   )r'   clearr)   r5   r   r+   r   r   r   clear_usecase      r\   c                 C   s(   t | }| }|  t|t|fS r   )r'   copyrF   r)   r5   r   r+   ssr   r   r   copy_usecase   s   ra   c                 C   s6   t | }|  | }|| d  t|t|fS rE   )r'   rZ   r^   r(   r)   r5   r_   r   r   r   copy_usecase_empty   s
   rb   c                 C   s2   t | }|| | }|  t|t|fS r   )r'   r;   r^   rF   r)   r5   )r   r   r+   r`   r   r   r   copy_usecase_deleted   s
   
rc   c                 C      t | }|t |}t|S r   )r'   
differencer5   r   r   sar+   r   r   r   difference_usecase   rM   rh   c                 C   rd   r   )r'   intersectionr5   rf   r   r   r   intersection_usecase   rM   rj   c                 C   rd   r   )r'   symmetric_differencer5   rf   r   r   r   symmetric_difference_usecase   rM   rl   c                 C   rd   r   )r'   unionr5   rf   r   r   r   union_usecase   rM   rn   c                 C   s   t | }|S r   )r'   r[   r   r   r   set_return_usecase   s   ro   c                 C      dt | d }td|t S )Nzbif 1:
    def operator_usecase(a, b):
        s = set(a) %(op)s set(b)
        return list(s)
    opoperator_usecasedictr   r   rr   r   r   r   r   make_operator_usecase   s   rw   c                 C   rp   )Nzif 1:
    def inplace_operator_usecase(a, b):
        sa = set(a)
        sb = set(b)
        sc = sa
        sc %(op)s sb
        return list(sc), list(sa)
    rq   inplace_operator_usecasert   rv   r   r   r   make_inplace_operator_usecase   s   ry   c                 C   rp   )NzPif 1:
    def comparison_usecase(a, b):
        return set(a) %(op)s set(b)
    rq   comparison_usecasert   rv   r   r   r   make_comparison_usecase   s   r{   c                 C   s   d S r   r   )xr   r   r   noop   s   r}   c                 C   s   d}| D ]}||7 }q|S )z!
    Expect a set of numbers
    r   r   r|   resr2   r   r   r   unbox_usecase   s   
r   c                 C   s   d}| D ]}|t |7 }q|S )z 
    Expect a set of tuples
    r   r)   r~   r   r   r   unbox_usecase2   s   r   c                 C   s"   | \}}|}|D ]}||7 }q|S )z2
    Expect a (number, set of numbers) tuple.
    r   r|   r   r   r   r2   r   r   r   unbox_usecase3   s
   
r   c                 C   s&   | \}}|}|D ]}|t |7 }q|S )z1
    Expect a (number, set of tuples) tuple.
    r   r   r   r   r   unbox_usecase4   s
   r   c                 C   s&   |  d | | | t| t|fS N*   )r(   r4   r)   rg   sbr   r   r   reflect_simple   s   

r   c                 C   sL   t |dkr
td} | d | | td}| | | t | t |fS )Nr&   )g      &@g      6@g     @@g      F@g      E@)g     K@g     P@)r)   r'   r(   r4   rP   )rg   r   scr   r   r   reflect_conditional   s   


r   c                 C   s   |  d tr   )r(   ZeroDivisionErrorr*   r   r   r   reflect_exception  s   
r   c                 C   s   |  |  | |u S r   )r(   rF   r   r   r   r   reflect_dual  s   r   c                 C   s4   t  }g }| D ]}||vr|| || q|S r   )r'   r(   r0   )srcseenr   r2   r   r   r   unique_usecase  s   

r   c                       sL   e Zd Z fddZdd Zdd Zdd Zd	d
 Zdd Zdd Z	  Z
S )BaseTestc                    s   t t|   td| _d S r   )superr   setUprandomRandomrndself	__class__r   r   r     s   zBaseTest.setUpc                 C   s   t t|S r   )nparangeintr   stopr   r   r   _range      zBaseTest._rangec                    s8    fddt |D }ttjrtj|jdS |S )zD
        Choose *n* possibly duplicate items from sequence.
        c                    s   g | ]
} j tqS r   )r   choicer5   r   rC   r   seqr   r   
<listcomp>'  s    z+BaseTest._random_choice.<locals>.<listcomp>dtype)rA   
isinstancer   ndarrayarrayr   )r   r   nr1   r   r   r   _random_choice#  s   zBaseTest._random_choicec                 C   s   |  t|}| ||S )z<
        Get a 1d array with many duplicate values.
        )r   r   sqrtr   r   r   r   r   r   r   duplicates_array-  s   zBaseTest.duplicates_arrayc                 C   s   |  |d }| ||S )z;
        Get a 1d array with values spread around.
        g?)r   r   r   r   r   r   sparse_array4  s   zBaseTest.sparse_arrayc                 C   sx   t |tr| |t t||D ]
\}}| || qd S t |tr4| |t | t|t| d S | || d S r   )r   tupleassertIsInstancezip_assert_equal_unorderedr5   assertPreciseEqualsorted)r   r   r   rB   r2   r   r   r   r   <  s   

z BaseTest._assert_equal_unorderedc                    "   t dd  fdd}|S )NTnopythonc                     s    |  } |  } || d S r   )r   )r   expectedgotcfuncpyfuncr   r   r   checkI  r]   z)BaseTest.unordered_checker.<locals>.checkr   r   r   r   r   r   r   unordered_checkerG     zBaseTest.unordered_checker)__name__
__module____qualname__r   r   r   r   r   r   r   __classcell__r   r   r   r   r     s    
r   c                   @   s,   e Zd ZefddZefddZdd ZdS )TestSetLiteralsc                 C   s   t d}| j||d d S )N)r&         r   flags)r#   run_nullary_func)r   r   r   r   r   r   test_build_setR  s   zTestSetLiterals.test_build_setc                 C   sP   t d}| j||d t d}| j||d\}}| t| t|  d S )N)r&          @y              @r   r   )r   r   )r#   r   assertIstyperF   )r   r   r   r   r   r   r   r   test_build_heterogeneous_setV  s
    z,TestSetLiterals.test_build_heterogeneous_setc                 C   sH   t | d}t|}tdd|}| }| }| t|t| d S )N2   Tr   )r5   r   r$   r   r   r   )r   r   r   r   r   r   r   r   r   test_build_set_nopython^  s   z'TestSetLiterals.test_build_set_nopythonN)r   r   r   r
   r   r   r   r   r   r   r   r   P  s    r   c                   @   sL  e Zd Zdd Zdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Zd+d, Zd-d. Zd/d0 Zd1d2 Zd3d4 Zd5d6 Zd7d8 Zd9d: Zd;d< Z d=d> Z!d?d@ Z"dAdB Z#dCdD Z$dEdF Z%dGdH Z&dIdJ Z'dKdL Z(dMdN Z)dOdP Z*dQS )RTestSetsc                    sd   t tdd     ttdd  fdd}|d |d d S )NTr   c                    s    |  |  d S r   r   )r   r   r   r   r   q  s   z(TestSets.test_constructor.<locals>.check   )r,   r   r   r.   r   r   r   r   r   r   r   test_constructorj  s   zTestSets.test_constructorc                 C   s4   t }tdd|}| d}| ||t| d S )NTr   r   )ro   r   r   assertEqualr'   )r   r   r   r   r   r   r   test_set_returnw  s   
zTestSets.test_set_returnc                 C   .   t }| |}|| d || d d S Nr   )r3   r   r   r   r   r   r   r   test_iterator~     
zTestSets.test_iteratorc                 C   s<   t }| |}| d}| d}| d}|||| d S Nr   )r7   r   r   r   )r   r   r   r   r   r6   r   r   r   test_update  s   



zTestSets.test_updatec                 C   s4   t }| |}| d}|d d d }||| d S )Nr   
   )r=   r   r   r   r   r   r   r   r   r   r   test_remove  s
   

zTestSets.test_removec                 C   s|   |    t}tdd|}tt| d}|dd  }|d f}| t ||| W d    d S 1 s7w   Y  d S )NTr   r   r&   r   )disable_leak_checkr=   r   r   r'   r   assertRaisesKeyError)r   r   r   itemsr   r   r   r   r   test_remove_error  s   
"zTestSets.test_remove_errorc                 C   s0   t }| |}| d}| d}||| d S r   )r@   r   r   r   r   r   r   test_discard  s
   


zTestSets.test_discardc                 C   sF   t }| |}d }}||kr| d\}}||ks||f|| dS )z
        Check that the insertion logic does not create an infinite lookup
        chain with deleted entries (insertion should happen at the first
        deleted entry, not at the free entry at the end of the chain).
        See issue #1913.
        Nr   )rD   r   r   r   r   r   r   test_add_discard  s   
zTestSets.test_add_discardc                 C       t }| |}|| d d S r   )rG   r   r   r   r   r   r   test_pop     
zTestSets.test_popc                    sD   t tdd  fdd}d}d}||| d S )NTr   c                        | | | | d S r   r   r   r   r   r   r        z%TestSets.test_contains.<locals>.checkr   )rH   r   r   )r   r   r   r   r   r   r   test_contains  s   

zTestSets.test_containsc                 C   sF   |  |}d}t||D ]\}}| |}| |}||| qd S )Nr&   r   i  r   	itertoolsproductr   )r   r   r   sizesnanbr   r   r   r   r   _test_xxx_update  s   


zTestSets._test_xxx_updatec                 C      |  t d S r   )r   rL   r   r   r   r   test_difference_update  r   zTestSets.test_difference_updatec                 C   r   r   )r   rO   r   r   r   r   test_intersection_update  r   z!TestSets.test_intersection_updatec                 C   r   r   )r   rQ   r   r   r   r    test_symmetric_difference_update  r   z)TestSets.test_symmetric_difference_updatec                    s   t dd  fdd}ttddg\}}||@ || ||B ||A g}dd |D }t||D ]	\}}||| q9d S )	NTr   c                    r   r   r   r   r   r   r   r     r   z(TestSets._test_comparator.<locals>.checkr      c                 S      g | ]}t |qS r   )r   r   r|   r   r   r   r         z-TestSets._test_comparator.<locals>.<listcomp>)r   mapr'   r   r   r   )r   r   r   r   r   r   r   r   r   _test_comparator  s   zTestSets._test_comparatorc                 C   r   r   )r  rT   r   r   r   r   test_isdisjoint  r   zTestSets.test_isdisjointc                 C   r   r   )r  rW   r   r   r   r   test_issubset  r   zTestSets.test_issubsetc                 C   r   r   )r  rY   r   r   r   r   test_issuperset  r   zTestSets.test_issupersetc                 C   r   r   )r\   r   r   r   r   r   r   
test_clear  r   zTestSets.test_clearc                 C   sx   t }| |}|| d t}| |}| d}|| t}| |}|dd | d}|||t|d   d S )Nr   r&   r&   r         r   )ra   r   r   rb   rc   r)   )r   r   r   r   r   r   r   	test_copy  s   





zTestSets.test_copyc                 C   s.   t }| |}|| d || d d S )Nr&   r   )r9   r   r   r   r   r   r   	test_bool
  r   zTestSets.test_boolc                 C   sX   |  |}d\}}||| d}t||D ]\}}| |}| |}||| qd S )N)r
  )r   r      r  r   r   r   )r   r   r   r   r   r   r   r   r   r   r   _test_set_operator  s   



zTestSets._test_set_operatorc                 C   r   r   )r  rh   r   r   r   r   test_difference  r   zTestSets.test_differencec                 C   r   r   )r  rj   r   r   r   r   test_intersection   r   zTestSets.test_intersectionc                 C   r   r   )r  rl   r   r   r   r   test_symmetric_difference#  r   z"TestSets.test_symmetric_differencec                 C   r   r   )r  rn   r   r   r   r   
test_union&  r   zTestSets.test_unionc                 C      |  td d S )N&r  rw   r   r   r   r   test_and)  rU   zTestSets.test_andc                 C   r  )N|r  r   r   r   r   test_or,  rU   zTestSets.test_orc                 C   r  )N-r  r   r   r   r   test_sub/  rU   zTestSets.test_subc                 C   r  )N^r  r   r   r   r   test_xor2  rU   zTestSets.test_xorc                 C   r  )Nz==r  r{   r   r   r   r   test_eq5  rU   zTestSets.test_eqc                 C   r  )Nz!=r  r   r   r   r   test_ne8  rU   zTestSets.test_nec                 C   r  )Nz<=r  r   r   r   r   test_le;  rU   zTestSets.test_lec                 C   r  )N<r  r   r   r   r   test_lt>  rU   zTestSets.test_ltc                 C   r  )Nz>=r  r   r   r   r   test_geA  rU   zTestSets.test_gec                 C   r  )N>r  r   r   r   r   test_gtD  rU   zTestSets.test_gtc                 C   r  )Nz&=r  ry   r   r   r   r   	test_iandG  rU   zTestSets.test_iandc                 C   r  )Nz|=r(  r   r   r   r   test_iorJ  rU   zTestSets.test_iorc                 C   r  )Nz-=r(  r   r   r   r   	test_isubM  rU   zTestSets.test_isubc                 C   r  )Nz^=r(  r   r   r   r   	test_ixorP  rU   zTestSets.test_ixorN)+r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r  r  r  r  r	  r  r  r  r  r  r  r  r  r  r  r  r   r!  r"  r$  r%  r'  r)  r*  r+  r,  r   r   r   r   r   h  sR    	
	r   c                   @      e Zd ZdZdd ZdS )TestFloatSetsz-
    Test sets with floating-point keys.
    c                 C   s   t j|t jdt d S )Nr   g?)r   r   float32r   r   r   r   r   [  s   zTestFloatSets._rangeNr   r   r   __doc__r   r   r   r   r   r.  T  s    r.  c                   @   r-  )TestTupleSetsz$
    Test sets with tuple keys.
    c                 C   sL   t j|t jd}|d@ }|d@ t j}|d? d@ t j}tt|||S )Nr   l   UU*UU* l   *UU     r&   )r   r   int64astypeint32bool_r5   r   )r   r   r   r   r6   dr   r   r   r   c  s
   zTestTupleSets._rangeNr0  r   r   r   r   r2  _      r2  c                   @   r-  )TestUnicodeSetszR
    Test sets with unicode keys. For the purpose of testing refcounted sets.
    c                 C   s   dd t t|D S )Nc                 S   s   g | ]}d  |qS )zA{})formatr   r   r   r   r   p  s    z*TestUnicodeSets._range.<locals>.<listcomp>)rA   r   r   r   r   r   r   o  s   zTestUnicodeSets._rangeNr0  r   r   r   r   r:  k  r9  r:  c                   @   sN   e Zd ZdZejdd Zdd Zdd Zdd	 Z	d
d Z
dd Zdd ZdS )TestUnboxingz>
    Test unboxing of Python sets into native Numba sets.
    c                 c   sT    |  t}d V  W d    n1 sw   Y  |d ur(| t|j| d S d S r   )r   	TypeErrorassertRegexpMatchesstr	exception)r   msgraisesr   r   r   assert_type_errorx  s   zTestUnboxing.assert_type_errorc                    r   )NTr   c                    s    | } | } || d S r   r   )r   r   r   r   r   r   r     r]   z'TestUnboxing.check_unary.<locals>.checkr   r   r   r   r   check_unary  r   zTestUnboxing.check_unaryc                 C   s>   |  t}|tddg |tddg |ttd d S )Nr&   r   y              ?y              @d   )rD  r   r'   rA   r   r   r   r   test_numbers  s   
zTestUnboxing.test_numbersc                 C   s.   |  t}|tddg |tddg d S )N)r&   r   )r   r  )r&                  @)r   y              @)rD  r   r'   r   r   r   r   test_tuples  s   
zTestUnboxing.test_tuplesc                 C   s"   |  t}|dtg df d S )Nr&   )r   r   r  )rD  r   r'   r   r   r   r   test_set_inside_tuple     
z"TestUnboxing.test_set_inside_tuplec                 C   s"   |  t}|dtddgf d S )Nr&   )r   )r   )rD  r   r'   r   r   r   r   test_set_of_tuples_inside_tuple  rJ  z,TestUnboxing.test_set_of_tuples_inside_tuplec                 C   sh  d}t }tdd|}tddg}| | || W d    n1 s%w   Y  | |tddg | | |tddg W d    n1 sLw   Y  | | |dtddgf W d    n1 skw   Y  | | |tdtddg W d    n1 sw   Y  tddg}| ttf}|| W d    d S 1 sw   Y  d S )	Nzcan't unbox heterogeneous setTr   r&   g      @rG  )r&   )r   r   )	r}   r   r'   rC  r   r   r   
IndexError
ValueError)r   rA  r   r   vallstrB  r   r   r   test_errors  s*   

"zTestUnboxing.test_errorsN)r   r   r   r1  
contextlibcontextmanagerrC  rD  rF  rH  rI  rK  rP  r   r   r   r   r<  s  s    
r<  c                   @   s@   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	dS )TestSetReflectionzE
    Test reflection of native Numba sets on Python set objects.
    c           
   	   C   s   t dd|}tg dtdgftg dtg dfg}|D ]H\}}t|}t|}|||}| ||) |||}	| |	| | || | |d |u |	d |u  ~~	W d    n1 scw   Y  q d S )NTr   )g      ?r   g      @g      @g        )g      @g      @g      @g       @g      "@r   )r   r'   assertRefCountr   r   )
r   r   r   samplesdestr   r   r   pyrescresr   r   r   check_reflection  s"   

z"TestSetReflection.check_reflectionc                 C   r   r   )rY  r   r   r   r   r   test_reflect_simple  r   z%TestSetReflection.test_reflect_simplec                 C   r   r   )rY  r   r   r   r   r   test_reflect_conditional  r   z*TestSetReflection.test_reflect_conditionalc              	   C   s   t }tdd|}tg d}| |, | t || W d   n1 s)w   Y  | |tg d W d   dS 1 sCw   Y  dS )zd
        When the function exits with an exception, sets should still be
        reflected.
        Tr   r&   r   r   N)r&   r   r   r   )r   r   r'   rT  r   r   r   )r   r   r   r+   r   r   r   test_reflect_exception  s   
"z(TestSetReflection.test_reflect_exceptionc                 C   sn   t }tdd|}tg d}| }|||}|||}| || | || | t|t| dS )zf
        When the same set object is reflected twice, behaviour should
        be consistent.
        Tr   r\  N)r   r   r'   r^   r   sysgetrefcount)r   r   r   pysetcsetr   r   r   r   r   test_reflect_same_set  s   

z'TestSetReflection.test_reflect_same_setc                 C   sH   t ddt}tdg}dd |D }|| | dd |D | dS )zO
        When the set wasn't mutated, no reflection should take place.
        Tr   y              )@c                 S   r  r   idr  r   r   r   r     r  z8TestSetReflection.test_reflect_clean.<locals>.<listcomp>c                 S   r  r   rc  r  r   r   r   r     r  N)r   r}   r'   r   )r   r   r+   idsr   r   r   test_reflect_clean  s
   
z$TestSetReflection.test_reflect_cleanN)
r   r   r   r1  rY  rZ  r[  r]  rb  rf  r   r   r   r   rS    s    rS  c                   @   s    e Zd ZdZdd Zdd ZdS )TestExamplesz!
    Examples of using sets.
    c                 C   r   r   )r   r   r   r   r   r   r   r   test_unique  r   zTestExamples.test_uniquec                 C   s   dd }|  |}|  d S )Nc                  S   s,   t d} t }|h d ||  |S )Nr&   >   r&   r   r   )r   uint64r'   r4   r(   )rC   Rr   r   r   impl  s
   

z9TestExamples.test_type_coercion_from_update.<locals>.impl)r   )r   rk  r   r   r   r   test_type_coercion_from_update  s   

z+TestExamples.test_type_coercion_from_updateN)r   r   r   r1  rh  rl  r   r   r   r   rg    s    rg  __main__)Munittestcollectionsr   rQ  r   mathr   r^  numpyr   numba.core.compilerr   r   r   numbar   
numba.corer   numba.tests.supportr	   r
   r   r   r   r   r   r#   r$   r,   r.   r3   r7   r9   r=   r@   rD   rG   rH   rL   rO   rQ   rT   rW   rY   r\   ra   rb   rc   rh   rj   rl   rn   ro   rw   ry   r{   r}   r   r   r   r   r   r   r   r   r   r   r   r   r.  r2  r:  r<  rS  rg  r   mainr   r   r   r   <module>   s    
			

6 mBC
