U
    3d                     @   s   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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   C/tmp/pip-unpacked-wheel-zrfo1fqw/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_precomputed7   s
    r$   c                  C   s6   t ttj} |  }tdd| t t| | d S )Nr"   r!   )	npdotr   Tcopyr   r   r   r   )r#   ZK2r   r   r   .test_kernel_ridge_precomputed_kernel_unchanged?   s    r)   c                  C   s   t ttj} t jdtjd }tdddj	tt
|dt}tdddj	tt
|dt}tdddj	| t
|d| }t|| t|| d S )	Nr   r
   Fr   )Zsample_weightr   r   r"   )r%   r&   r   r'   randomZRandomStateZrandshaper   r   r   r   r   r   )r#   swr   r   pred3r   r   r    test_kernel_ridge_sample_weightsF   s      
r.   c                  C   sv   t dddttt} tdddttt}t| | tdddttt}t	||gj
}t|| d S r	   )r   r   r   Yr   r   r   r   r%   arrayr'   )r   r   r-   r   r   r   test_kernel_ridge_multi_outputU   s    
r1   )!Znumpyr%   Zscipy.sparsesparsespZsklearn.datasetsr   Zsklearn.linear_modelr   Zsklearn.kernel_ridger   Zsklearn.metrics.pairwiser   Zsklearn.utils._testingr   r   r   r   Z
csr_matrixr   Z
csc_matrixr   r0   r'   r/   r   r   r   r    r$   r)   r.   r1   r   r   r   r   <module>   s&   




