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     ^|                 @   sX  d dl Z d dlZd dlZd dlZdZdZdd Zdd Zdd	 Zd
d Z	dd Z
dd ZedkrTee jd \ZZe	e jd \ZZZe
eeeZd ZxFed dD ]8Zeeeee\ZZe jdeef  eekrP eZqW xreD ]jZx0eD ](Ze jdeeeee e f  qW x2eD ]*Ze jdeeeee e f  q"W qW dS )    Ni6eg:0yE>c             C   s   | t ks|t krt S | | S )N)LOG_ZERO)Zv1Zv2 r   a/Users/cnotredame/Dropbox/Teaching/Practicals_Bed/bed/practicals_db/ex.7.3/sol/3.1.viterbi.sol.pylog_multiply   s    r   c             C   s  t }d}t| }| }t|}i }i }x&td|d D ]}	i ||	< i ||	< q8W x|D ]}
d|d |
< qVW xtd|d D ]}	| |	d  }x~|D ]v}t }d}xB|D ]:}
t||	d  |
 ||
 | }||ks|t kr|}|
}qW t|| | |||	 |< |||	 |< qW qzW t }d}x6|D ].}
|| |
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}qW i }x.t|ddD ]}	|||	d < ||	 | }q`W ||fS )N r      )r   lenkeysranger   )DataModelZmaxkZptr_kLStatesZNsVZPTRiksymbollZmax_kvZvvZvdr   r   r   viterbi   sH    




r   c             C   s  t | |\}}t| }i }i }xP|D ]H}	i ||	< i ||	< x|D ]}
d||	 |
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d||	 |
< qXW q$W xNtd|D ]@}|||d   ||   d7  < |||  | |   d7  < q|W xP|D ]H}	x |D ]}
||	 |
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||	 |
  d7  < qW qW xd|D ]\}	td}x|D ]}
|||	 |
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t||	 |
 | ||	 |
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|||	 |
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t||	 |
 | ||	 |
< qW q~W t | |\}}||fS )Nr   r   )r   r	   r   floatmathlog)r   r   r   Emitsr   scorer   AEr   r   r   Znumr   r   r   viterbi_trainning=   sB    

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 
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 
 *r   c          	   C   s   i }t | }xr|D ]j}td|}|r|d}|d}t|d}|tk rXt}n
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   append)namer   flineZmobjs1s2pr   r   ZEmitsHr   Zk1r   r   r   r   	readmodela   s0    
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r-   c             C   s   x|D ]}t |}d}x(|D ] }t }||7 }|| | |< qW x |D ]}| | |  |  < qFW t |}d}x(|D ] }t }||7 }|| | |< qtW x |D ]}| | |  |  < qW qW | S )Nr   )r	   random)r   r   r   r   ntrr   rr   r   r   
model2flat   s$    

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
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r2   c          	   C   sV   i }i }d}t | 4}x,|D ]$}|d ||< |d ||< |d7 }qW W d Q R X ||fS )Nr   r   )r!   )r'   r   Refr   r(   r)   r   r   r   readdata   s    
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z%c::%c::%.3f
)sysr"   r   r.   r   r%   r   r   r   r-   r2   r4   __name__argvr   r3   r   r   r   Zpscorer   r   r   stderrwriter   r   stdoutZexpr   r   r   r   <module>   s6   -$ 
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