
מZc        	   @   s  d  d l  Z  d  d l Z d  d l Z d  d l Z d Z d Z d   Z d   Z d   Z d   Z	 d   Z
 d	   Z e d
 k re e  j d  \ Z Z e	 e  j d  \ Z Z Z e
 e e e  Z d Z xb e d d  D]Q Z e e e e e  \ Z Z e  j j d e e f  e e k r&Pn  e Z q Wx e D] Z x< e D]4 Z e  j j d e e e j e e e  f  qDWx< e D]4 Z e  j j d e e e j e e e  f  qWq7Wn  d S(   iNi6eg:0yE>c         C   s$   |  t  k s | t  k r t  S|  | S(   N(   t   LOG_ZERO(   t   v1t   v2(    (    s   3.1.viterbi.sol.pyt   log_multiply
   s    c         C   s  t  } d } t |   } | j   } t |  } i  } i  } x/ t d | d  D] }	 i  | |	 <i  | |	 <qP Wx | D] }
 d | d |
 <qu Wx t d | d  D] }	 |  |	 d } x | D] } t  } d } xX | D]P }
 t | |	 d |
 | |
 |  } | | k s| t  k r | } |
 } q q Wt | | | |  | |	 | <| | |	 | <q Wq Wt  } d } xC | D]; }
 | | |
 } | | k s| t  k rq| } |
 } qqqqWi  } x6 t | d d  D]" }	 | | |	 d <| |	 | } qW| | f S(   Nt    i    i   i(   R    t   lent   keyst   rangeR   (   t   Datat   Modelt   maxkt   ptr_kt   Lt   Statest   Nst   Vt   PTRt   it   kt   symbolt   lt   max_kt   vt   vvt   vd(    (    s   3.1.viterbi.sol.pyt   viterbi   sH    
#c         C   sH  t  |  |  \ } } t |   } i  } i  } x` | D]X }	 i  | |	 <i  | |	 <x | D] }
 d | |	 |
 <qU Wx | D] }
 d | |	 |
 <qt Wq4 WxS t d |  D]B } | | | d | | c d 7<| | | |  | c d 7<q WxX | D]P }	 x" | D] }
 | |	 |
 c d 7<q Wx" | D] }
 | |	 |
 c d 7<qWq Wxq | D]i }	 t d  } x  | D] }
 | | |	 |
 7} qaWx1 | D]) }
 t j | |	 |
 |  | |	 |
 <qWqHWxq | D]i }	 t d  } x  | D] }
 | | |	 |
 7} qWx1 | D]) }
 t j | |	 |
 |  | |	 |
 <qWqWt  |  |  \ } } | | f S(   Ni    i   (   R   R   R   t   floatt   matht   log(   R   R	   R   t   EmitsR   t   scoreR   t   At   ER   R   R   t   num(    (    s   3.1.viterbi.sol.pyt   viterbi_trainning<   sB    

      +  +c      	   C   sR  i  } t  |   :} x | D] } t j d |  } | r | j d  } | j d  } t | j d   } | t k  r t } n t j |  } | | k r i  | | <n  | | | | <q q W| j	   } g  }	 i  }
 xa | D]Y } | | j	   } x@ | D]8 } | | k r | |
 k r |	 j
 |  d |
 | <q q Wq W| | |	 f SWd  QXd  S(   Ns   (\S*)::(\S*)::(\S*)i   i   i   (   t   opent   ret   matcht   groupR   t   SMALLR    R   R   R   t   append(   t   nameR	   t   ft   linet   mobjt   s1t   s2t   pR   R   t   EmitsHR   t   k1R   (    (    s   3.1.viterbi.sol.pyt	   readmodel`   s0     	c         C   s   x | D] } t  |  } d } x2 | D]* } t j   } | | 7} | |  | | <q& Wx" | D] } |  | | c | :<q[ Wt  |  } d } x2 | D]* } t j   } | | 7} | |  | | <q Wx" | D] } |  | | c | :<q Wq W|  S(   Ni    (   R   t   random(   R	   R   R   R   t   nt   trR   t   r(    (    s   3.1.viterbi.sol.pyt
   model2flat   s$    

c         C   sh   i  } i  } d } t  |   > } x4 | D], } | d | | <| d | | <| d 7} q( WWd  QX| | f S(   Ni    i   (   R#   (   R)   R   t   RefR   R*   R+   (    (    s   3.1.viterbi.sol.pyt   readdata   s    t   __main__i   i   i    id   s   iteration %d Score=%d
s   %c::%c:%.3f
(   t   sysR$   R   R3   R    R'   R   R   R"   R2   R7   R9   t   __name__t   argvR   R8   R	   R   R   t   pscoreR   R   R   t   stderrt   writeR   R   t   stdoutt   exp(    (    (    s   3.1.viterbi.sol.pyt   <module>   s6   		-	$	 		 
2