
    h3                        S SK Jr  S SKJrJrJrJr  SSKJr  SSK	J
r
  SSKJrJr  SSKJr  SSKJrJrJrJrJr  SS	KJr  S
SKJr  \
R2                  " S5        S(SS
SSSS.S\\   S\\   S\S\S\S\\   S\\   S\\\4   4S jjj5       r\
R2                  " S5      SS
SS.S\S\S\S\S\S\\\4   4S jj5       r  S(S\S\S\S\\   S\\   SS4S  jjrS\\\4   S!\S"\S\\\4   4S# jr S$\S!\S\4S% jr!S$\S&\S!\S\4S' jr"g))    )partial)CallableOptionalTuplecast   )Ops)registry)glorot_uniform_init	zero_init)Model)Floats1dFloats2dFloats4dPaddedRagged)	get_width   )noopLSTM.v1NFg        )bidepthdropoutinit_Winit_bnOnIr   r   r   r   r   returnc                    US:X  a  Sn[        U5      eUc  [        nUc  [        n[        S[        XUS[        U5      -   S.SUS.S S S.[        [        XV5      S	9nU$ )
Nr   z@LSTM depth must be at least 1. Maybe we should make this a noop?lstmr   )r   r   r   dirsr   )registry_namedropout_rate)LSTMHC0)dimsattrsparamsinit)
ValueErrorr   r   r   forwardintr   r)   )	r   r   r   r   r   r   r   msgmodels	            K/home/james-whalen/.local/lib/python3.13/site-packages/thinc/layers/lstm.pyr$   r$      sq     zPo~$~#(5!c"g+F )7CT*T6*$E L    zPyTorchLSTM.v1)r   r   r   c          
          SS K nSSKJn  SSKJn  US:X  a
  [	        5       $ U nU(       a  U S-  nU" UR
                  R                  XX2US95      n	U	R                  SU 5        U	R                  SU5        U" U	5      $ )	Nr   r   )PyTorchRNNWrapper)with_paddedr   )bidirectionalr   r   r   )torch.nnpytorchwrapperr2   r3   r   nnr$   set_dim)
r   r   r   r   r   torchr2   r3   nHpytorch_rnns
             r/   PyTorchLSTMr<   +   sy     1(zv	B	1W#bewGK b!b!{##r0   r.   XYc           
         Ub  UR                  S[        U5      5        Ub  UR                  S[        U5      5        [        UR                  S5      UR                  S5      -  5      nUR                  S5      nUR                  S5      nUR                  S5      n/ n	[	        XR
                  5      n [	        XR
                  5      nUn
[        U5       GH  n[        U5       GH  nU	R                  U " XZ45      5        U	R                  U " XZ45      5        U	R                  U " XZ45      5        U	R                  U " XZ45      5        U	R                  U" U45      5        U	R                  U" U45      5        U	R                  U" U45      5        U	R                  U" U45      5        U	R                  U " XU45      5        U	R                  U " XU45      5        U	R                  U " XU45      5        U	R                  U " XU45      5        U	R                  U" U45      5        U	R                  U" U45      5        U	R                  U" U45      5        U	R                  U" U45      5        GM     XX-  n
GM     UR                  SUR
                  R                  R                  U	 Vs/ s H  oR                  5       PM     sn5      5        UR                  S[        UR
                  SXxU45      5        UR                  S5      R                  nSU-  U-  XV-   -  US	U-  -  -   n[        S
U5       H  nUSU-  XUU-  -   -  U-  US	U-  -  -   -  nM!     X:X  d   X45       eg s  snf )Nr   r   r!   r   r$   r%   r         r   )r8   r   r,   get_dimr   opsrangeappend	set_paramxpconcatenateravelr   	get_paramsize)r   r   r.   r=   r>   r:   r   r   r!   r(   layer_nIijprK   expected_s                    r/   r)   r)   A   s    	}dIaL)}dIaL)	U]]4 5==#88	9B	t	BMM'"E== D FVYY'FVYY'FH5\tAMM&"01MM&"01MM&"01MM&"01MM&"-(MM&"-(MM&"-(MM&"-(MM&"*+MM&"*+MM&"*+MM&"*+MM&"-(MM&"-(MM&"-(MM&"-(% & 9) * 
OOFEIILL445PAggi5PQR	OOE9UYYE0DEF??6"''D4x"}(41r6?:H1e_AH$Y/"4tq2vFF -d-- 6Qs   %M Xpis_trainc           	        ^ ^^^ T R                   S   n[        T R                  U5      n[        [        T R                  S5      5      m[        [        T R                  S5      5      nUS   nUS   nU(       a}  [        [        T R                  R                  TR                  U5      5      mTT-  mT R                  R                  TXg[        [        UR                  5      UR                  5      u  nmOJT R                  R                  TXg[        [        UR                  5      UR                  5      n[        5       mUR                  UR                  R                  S   UR                  S   4:X  d'   UR                  R                  UR                  45       e[        T R                  [!        XR                  5      U5      n	S["        S["        4UUUU 4S jjn
X4$ )	Nr#   r$   r%   r   r   dYpr   c                 H  > T(       d   e[        TR                  U 5      nTR                  R                  [        [        UR
                  5      UR                  TT5      u  p#UT-  nTR                  SU5        [        TR                  [        X!R                  5      U 5      $ )Nr$   )
_padded_to_packedrC   backprop_lstmr   r   datalengthsinc_grad_packed_to_paddedr   )rU   dYrdXdLSTMr$   	fwd_statemaskr.   s       r/   backpropforward.<locals>.backprop   s~    y		3/II++388$ckk4
	 	vu% F2{{,CSIIr0   )r'   rW   rC   r   r   rJ   r   get_dropout_maskshapelstm_forward_trainingr   rY   rZ   lstm_forward_inferencetupler\   r   r   )r.   rR   rS   r   Xrr%   H0C0r>   Yprb   r$   r`   ra   s   `          @@@r/   r+   r+   v   sx    kk.)G	599b	)B%//&12D
x/
0C	QB	QB Heii88WMNd{yy66"$x12::
9 II,,"$x12::
 G	77rww}}Q'44Nrww}}agg6NN4	599fQ

&;R	@BJf J J J <r0   rC   c                 6   UR                   R                  5       UR                  R                  5       :X  d9   UR                   R                  5       UR                  R                  5       45       eU R                  UR                   R                  5       UR                  R
                  S   5      nSn[        UR                  R
                  S   5       H-  nUR                  U   nUR                  USU24   X#X5-   & X5-  nM/     [        X!R                  5      $ )z%Strip padding from a padded sequence.r   r   N)rZ   sum	size_at_talloc2frY   re   rD   r   )rC   rR   r>   startt
batch_sizes         r/   rW   rW      s    ::>>r||//11 



4 1 	BJJNN$bggmmA&67AE2<<%%a()\\!_
(*;J;(?%$% * !\\""r0   ri   c                    U R                  UR                  R                  S   UR                  R                  S   UR                  R                  S   5      n[        [        UR                  5      nSn[        UR                  R                  S   5       H"  nUR                  U   nXEXW-    X6S U24'   XW-  nM$     [        X2R                  UR                  UR                  S9$ )Nr   r   )ro   rZ   indices)
alloc3frY   re   r   r   rD   ro   r   rZ   ru   )rC   ri   rR   r>   r=   rq   rr   rs   s           r/   r\   r\      s    BGGMM!$bggmmA&6a8HIAXrwwAE2<<%%a()\\!_
e&89[j[. * !||RZZTTr0   )NN)#	functoolsr   typingr   r   r   r   backendsr	   configr
   initializersr   r   r.   r   typesr   r   r   r   r   utilr   r   layersr,   boolfloatr$   r<   r)   r+   rW   r\    r0   r/   <module>r      s    2 2   9  @ @   
 !%!% 		
   X X 66> : 
!"$)C$$$!$25$DI$
66>$ #$2 2.2.2. 2. 	2.
 2. 
2.j& &&,&8<&
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