a
    ;Za                     @   s   d dl Z d dlZd dlmZ d dlmZ d dlm	Z	 d dl
mZ d dlmZ d dlmZ d dlmZ edd d	\ZZeeZeeZeeegjZd
d Zdd Zdd Zdd Zdd Zdd Zdd Z dd Z!dd Z"dS )    N)make_regression)Ridge)KernelRidge)pairwise_kernels)ignore_warnings)assert_array_almost_equal
   )Z
n_featuresZrandom_statec                  C   sB   t dddttt} tdddttt}t| | d S N   Falphafit_interceptlinearkernelr   )r   fitXypredictr   r   predpred2 r   >lib/python3.9/site-packages/sklearn/tests/test_kernel_ridge.pytest_kernel_ridge   s    r   c                  C   sD   t ddddttt} tdddttt}t| | d S Nr
   FZcholesky)r   r   Zsolverr   r   )r   r   Xcsrr   r   r   r   r   r   r   r   test_kernel_ridge_csr   s    r   c                  C   sD   t ddddttt} tdddttt}t| | d S r   )r   r   Xcscr   r   r   r   r   r   r   r   test_kernel_ridge_csc%   s    r   c                  C   sN   t dddttt} tddd}t|jtt |t}t| | d S )Nr   Fr   r   r   )r   r   r   r   r   r   r   r   )r   Zkrr   r   r   r   !test_kernel_ridge_singular_kernel/   s
    
r    c                  C   sV   dD ]L} t tt| d}t| dttt}tdd|t|}t|| qd S )N)r   ZrbfZpolyZcosine)Zmetricr   precomputed)r   r   r   r   r   r   r   )r   Kr   r   r   r   r   test_kernel_ridge_precomputed9   s
    r$   c                  C   s6   t ttj} |  }tdd| t t| | d S )Nr"   r!   )	npdotr   Tcopyr   r   r   r   )r#   ZK2r   r   r   .test_kernel_ridge_precomputed_kernel_unchangedA   s    r)   c                  C   s   t ttj} t jdtjd }tdddj	tt
|dt}tdddj	tt
|dt}tdddj	| t
|d| }t|| t|| d S )	Nr   r
   Fr   )Zsample_weightr   r   r"   )r%   r&   r   r'   ZrandomZRandomStateZrandshaper   r   r   r   r   r   )r#   swr   r   pred3r   r   r    test_kernel_ridge_sample_weightsH   s    
r-   c                  C   sv   t dddttt} tdddttt}t| | tdddttt}t	||gj
}t|| d S r	   )r   r   r   Yr   r   r   r   r%   arrayr'   )r   r   r,   r   r   r   test_kernel_ridge_multi_outputW   s    
r0   c                  C   sF   t dd} d}tjt|d | j W d    n1 s80    Y  d S )Nr"   r!   z5Attribute `_pairwise` was deprecated in version 0\.24)match)r   pytestZwarnsFutureWarningZ	_pairwise)Zk_ridgemsgr   r   r   (test_kernel_ridge_pairwise_is_deprecatedb   s    
r5   )#r2   Znumpyr%   Zscipy.sparseZsparseZspZsklearn.datasetsr   Zsklearn.linear_modelr   Zsklearn.kernel_ridger   Zsklearn.metrics.pairwiser   Zsklearn.utils._testingr   r   r   r   Z
csr_matrixr   Z
csc_matrixr   r/   r'   r.   r   r   r   r    r$   r)   r-   r0   r5   r   r   r   r   <module>   s*   




