o
    Ö­jr  ã                   @   sb   d Z ddlZddlmZmZ ddlmZ ddlm	Z	 ddl
mZmZ ddlmZ G dd	„ d	ƒZdS )
zTests for _sketches.py.é    N)Úassert_Úassert_equal)Úclarkson_woodruff_transform)Ú
cwt_matrix)ÚissparseÚrand)Únormc                   @   sÄ   e Zd ZdZej d¡ZdZdZ	dZ
dZg d¢Ze ee	f¡Zeee	e
ded	�Zeee	e
d
ed	�Zeee	e
ded	�ZeeeegZe edf¡e e¡ Zdd„ Zdd„ Zdd„ Zdd„ Zdd„ ZdS )ÚTestClarksonWoodruffTransformz1
    Testing the Clarkson Woodruff Transform
    iý°GFiÐ  éd   çš™™™™™¹?éÈ   )
iÚ¦¢hi¾v±7ižSòRir6xhi'@½wiÚ·¡Mi…ã©ZiÀTzYi¹ñ CiUÔf[Úcsc)ÚdensityÚformatÚrandom_stateÚcsrÚcooé   c                 C   sB   | j D ]}| jD ]}t|| j|d�}t|j| j| jfkƒ qqd S )N)Úseed)Útest_matricesÚseedsr   Ún_sketch_rowsr   ÚshapeÚn_cols)ÚselfÚAr   Úsketch© r   ú]/var/www/html/CropPilot/venv/lib/python3.10/site-packages/scipy/linalg/tests/test_sketches.pyÚtest_sketch_dimensions1   s   

ÿûÿz4TestClarksonWoodruffTransform.test_sketch_dimensionsc                 C   sF   | j D ]}t| j| j|d� ¡ }t| j| j|d� ¡ }t||ƒ qd S ©N©Úrng)r   r   r   Ún_rowsÚtoarrayr   )r   r   ÚS1ÚS2r   r   r   Ú,test_seed_returns_identical_transform_matrix:   s   

ÿþ
ÿþùzJTestClarksonWoodruffTransform.test_seed_returns_identical_transform_matrixc                 C   sf   | j D ]-}| jD ]'}t|| j|d�}t|| j|d�}t|ƒr"| ¡ }t|ƒr*| ¡ }t||ƒ qqd S r    )r   r   r   r   r   r$   r   )r   r   r   Úsketch1Úsketch2r   r   r   Útest_seed_returns_identicallyD   s   

ÿÿõÿz;TestClarksonWoodruffTransform.test_seed_returns_identicallyc                 C   s–   d}| j D ]=}t|ƒrt|ƒ}ntj |¡}| jD ](}t|| j|d�}t|ƒr,t|ƒ}ntj |¡}t || ¡d| krA|d7 }qqt	|dkƒ d S )Nr   r!   r   r   )
r   r   r   ÚnpÚlinalgr   r   r   Úabsr   )r   Ún_errorsr   Ú	true_normr   r   Úsketch_normr   r   r   Ú$test_sketch_preserves_frobenius_normS   s"   


ÿ
€özBTestClarksonWoodruffTransform.test_sketch_preserves_frobenius_normc                 C   sv   d}t t d¡ƒ}tj | j¡}| jD ]}t| j||d�}tj |¡}t || ¡d| kr2|d7 }qt	|dkƒ d S )Nr   g      ‰@r!   g      à?r   )
Úintr+   Úceilr,   r   Úxr   r   r-   r   )r   r.   r   r/   r   r   r0   r   r   r   Ú!test_sketch_preserves_vector_normj   s   
ÿ€z?TestClarksonWoodruffTransform.test_sketch_preserves_vector_normN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r+   ÚrandomÚdefault_rngr"   r#   r   r   r   r   ÚA_denser   ÚA_cscÚA_csrÚA_coor   Úsqrtr4   r   r'   r*   r1   r5   r   r   r   r   r	      s4    
ÿ
ÿ
ÿÿ	
r	   )r9   Únumpyr+   Únumpy.testingr   r   Úscipy.linalgr   Úscipy.linalg._sketchesr   Úscipy.sparser   r   Úscipy.sparse.linalgr   r	   r   r   r   r   Ú<module>   s    