Aluode/PerceptionLabPortable
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� Zdd� Zdd� Zdd� Zeee�ej ��dd� �Z eej d�dd� �Z eej d�dd� �Z eej d �d d � �Z!ed ej ej"�d d!� �Z#d"d#� Z$eej �d$d%� �Z%eej&j'ej �d&d'� �Z(d(S ))z25Implement slices and various slice computations.6� )� zip_longest)�ir)�cgutils�types�typing�utils)�impl_ret_borrowed�impl_ret_new_ref�impl_ret_untracked�
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lower_getattrc C s2 | � d|t�|jd��}| �||�}| �|||�S )z^8 Fix negative index by adding *size* to it. Positive9 indices are left untouched.10 �<r )� icmp_signedr �Constant�type�add�select)�builder�idx�sizeZ is_negativeZ
wrapped_index� r �E:\DocsHouse\542 percep lab latest\PerceptionLab\PerceptionLab_Portable\python_embed\Lib\site-packages\numba/cpython/slicing.py� fix_index s r c s t ��jd��t ��jd�}� ���fdd�}� �t�� �j���W\}}|� |d��� |d��� W d � n1 s=w Y |� |}� ��|�}|d||� |d||� W d � n1 scw Y W d � dS W d � dS 1 s{w Y dS )z�11 Fix *slice* start and stop to be valid (inclusive and exclusive, resp)12 indexing bounds for a sequence of the given *size*.13 r �����c s� t �| �}t� |��}t�| |� � �d|��}� j|dd�� t�| |� W d � n1 s0w Y � �d|��}� j|dd�� t�| |� W d � d S 1 sUw Y d S )Nr F�Zlikely�>=)�getattrr �setattrr �if_then)Z14bound_nameZ15lower_replZ16upper_repl�boundZ underflow�overflow�r r �slice�zeror r � fix_bound" s 17 �"�z fix_slice.<locals>.fix_bound�start�stopN)r r r Zif_elser �18is_neg_int�stepr ) r r% r Z minus_oner' Z if_neg_stepZ if_pos_step�lower�upperr r$ r � fix_slice s" � ��"�r. c C s� |j }|j}|j}t�|jd�}t�|jd�}t�| |�}| �||�}| �||�} | � ||�}19| �20||21| �} | � || � | |��} | �22|| � d||�| � d||��}
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|| �S )a 24 Given a slice, compute the number of indices it spans, i.e. the25 number of iterations that for_range_slice() will execute.26 27 Pseudo-code:28 assert step != 029 if step > 0:30 if stop <= start:31 return 032 else:33 return (stop - start - 1) // step + 134 else:35 if stop >= start:36 return 037 else:38 return (stop - start + 1) // step + 139 40 (see PySlice_GetIndicesEx() in CPython)41 � r r z<=)
r( r) r+ r r r r r* �subr r Zsdivr )r � slicestructr( r) r+ �oner& �is_step_negative�deltaZ pos_dividendZ neg_dividendZdividendZnominal_lengthZis_zero_lengthr r r �get_slice_length= s �r5 c C sd |j }|j}|�d�}|�d�}| �d|j|�}| �|| �||�|�}| �|| �||�|�}||fS )z?42 Return the [lower, upper) indexing bounds of a slice.43 r r/ r )r( r) r r r+ r r ) r r1 r( r) r& r2 r3 r, r- r r r �get_slice_boundsi s 4445 � �r6 c C s | � |j|�S )z446 Fix the given stride for the slice's step.47 )�mulr+ )r r% Zstrider r r �48fix_stride{ s r8 c C s$ |j rt�| ||jtdf� dS dS )zP49 Guard against *slicestruct* having a zero step (and raise ValueError).50 �slice step cannot be zeroN)�has_stepr Z51guard_nullr+ �52ValueError)�contextr �typr1 r r r �guard_invalid_slice� s53 ��r> c C s& d| j d > d }d||| d dfS )z�54 Get the default values for a slice's members:55 (start for positive step, start for negative step,56 stop for positive step, stop for negative step, step)57 r/ r )Z address_size)r< Zmaxintr r r � get_defaults� s r? c s � fdd�t � �D �\}}}}}d gd �t|�dkr*|jd tjur*|d �d< ntt|j|��D ]\} \}58} |59tjurA| �| < q2�fdd�} | d|�}
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