← Back
Editing: _testutils.cpython-311.pyc
� d�c� � �V � d dl Z G d� d� � Z G d� d� � Zd� Zd� Zd d�ZdS ) � Nc � � e Zd Zd� ZdS )� _FakeMatrixc �, � || _ |j | _ d S �N)�_data�__array_interface__��self�datas �9/usr/lib/python3/dist-packages/scipy/linalg/_testutils.py�__init__z_FakeMatrix.__init__ s � ��� �#'�#;�� � � � N)�__name__� __module__� __qualname__r � r r r r s# � � � � � �<� <� <� <� <r r c � � e Zd Zd� Zd� ZdS )� _FakeMatrix2c � � || _ d S r �r r s r r z_FakeMatrix2.__init__ s � ��� � � r c � � | j S r r )r s r � __array__z_FakeMatrix2.__array__ s � ��z�r N)r r r r r r r r r r s2 � � � � � �� � �� � � � r r c �: � t | � � dk r2| d dk r&t j | |�� � }d|ddd�f< d|d< |S t | � � dk r| d | d k rmt j | |�� � }t j | d � � }d|||f< d||dd� |dd� dz f< d||dd� dz |dd� f< |S t j � d� � t j j | � � |� � S )zz Get a test array of given shape and data type. Returned NxN matrices are posdef, and 2xN are banded-posdef. � r )�dtype���� Ni� )�len�np�zeros�arange�random�seed�randn�astype)�shaper �x�js r � _get_arrayr) s# � � �5�z�z�Q���5��8�q�=�=� �H�U�%� (� (� (����!�Q�R�R�%����!���� �U���q� � �U�1�X��q�� 1� 1� �H�U�%� (� (� (�� �I�e�A�h� � ����!�Q�$�� ��!�C�R�C�&�!�C�R�C�&��(� �� ��!�C�R�C�&��(�A�c�r�c�F� ���� � ���t� � � ��y���&�-�-�e�4�4�4r c � � | S r r )r' s r �_idr+ + s � � �Hr c �t �� � � |�.t j t j t j t j g}|D ]��dD ]|� t t t fD ]e� �fd�|D � � }� � fd�|D � � } | |� d��d� �d�}t ||� � D ]'\ }}t j � |||�� � �(�f�}��dS ) zA Test that a call does not overwrite its input arguments N)�C�Fc �0 �� g | ]}t |�� � ��S r )r) )�.0�sr s �r � <listcomp>z'assert_no_overwrite.<locals>.<listcomp>: s# �� � D� D� D��z�!�U� 3� 3� D� D� Dr c �L �� g | ] } �|� �� � � � ��!S r )�copy)r0 r' �faker�orders ��r r2 z'assert_no_overwrite.<locals>.<listcomp>; s- �� �D�D�D�1�%�%����u� � �.�.�D�D�Dr zcall modified inputs [z, �])�err_msg) r �float32�float64� complex64� complex128r+ r r �zip�testing� assert_equal) �call�shapes�dtypes� orig_inputs�inputs�msg�a�br r5 r6 s @@@r �assert_no_overwriterH / s ���� � �~��*�b�j�"�,�� �F��� ?� ?�� � ?� ?�E� �{�L�9� ?� ?�� D� D� D� D�V� D� D� D� �D�D�D�D�D� �D�D�D����f� � � �9>������F�� �� � 4� 4� ?� ?�D�A�q��J�+�+�A�q�#�+�>�>�>�>�?� ?� ?�?� ?r r )�numpyr r r r) r+ rH r r r �<module>rJ s� �� � � � �<� <� <� <� <� <� <� <� � � � � � � � �5� 5� 5�2 � � �?� ?� ?� ?� ?� ?r
Save File
Cancel