U
    hâËd‹  ã                   @   st   d dl Zd dlmZmZmZ d dlmZmZ d dl	m
Z
 e
jrDdZndZeefZG dd„ deƒZed	krpe ¡  dS )
é    N)ÚcudaÚfloat64Úvoid)ÚunittestÚCUDATestCase)Úconfigé   é   c                   @   s   e Zd Zdd„ ZdS )ÚTestCudaLaplacec              	      s¼  t jtttƒddd�dd„ ƒ‰ t  ttd d …d d …f td d …d d …f td d …d d …f ƒ¡‡ fdd„ƒ}tjr€d\}}d}nd	\}}d
}tj||ftjd�}tj||ftjd�}|}d}d}	t|ƒD ]}
d||
df< d||
df< qÈd}t	t	f}||d  ||d  f}t |¡}t  
¡ }t  ||¡}t  ||¡}t  ||¡}|	|k�r¸||k �r¸|  |jtjk¡ ||||f |||ƒ |j||d� | ¡  t |¡ ¡ }	|}|}|}|d7 }�q@d S )NT)ZdeviceÚinlinec                 S   s   | |kr| S |S d S )N© )ÚaÚbr   r   ú]/home/sam/Atlas/atlas_env/lib/python3.8/site-packages/numba/cuda/tests/cudapy/test_laplace.pyÚget_max   s    z3TestCudaLaplace.test_laplace_small.<locals>.get_maxc                    sØ  t jjttd�}t jj}t jj}t jj}t jj}| j	d }| j	d }	t  
d¡\}
}d|||f< |dkrò||d k rò|
dkrò|
|	d k ròd| ||
d f | ||
d f  | |d |
f  | |d |
f   |||
f< |||
f | ||
f  |||f< t  ¡  td }|dk�rP||k �r<ˆ |||f ||| |f ƒ|||f< |d }t  ¡  �qtd }|dk�r°||k �rœ|dk�rœˆ |||f |||| f ƒ|||f< |d }t  ¡  �qX|dk�rÔ|dk�rÔ|d |||f< d S )N©Údtyper   é   é   g      Ð?)r   r   )r   ZsharedÚarrayÚSM_SIZEr   Z	threadIdxÚxÚyZblockIdxÚshapeÚgridZsyncthreadsÚtpb)ÚAÚAnewÚerrorZerr_smÚtyZtxZbxZbyÚnÚmÚiÚjÚt©r   r   r   Újocabi_relax_core   s>    

( ÿÿ 

&
&z=TestCudaLaplace.test_laplace_small.<locals>.jocabi_relax_core)r   r   é   )é   r(   iè  r   g�íµ ÷Æ°>g      ð?r   r   )Ústream)r   Zjitr   r   r   ÚENABLE_CUDASIMÚnpZzerosÚranger   r)   Z	to_deviceÚ
assertTruer   Zcopy_to_hostZsynchronizeÚabsÚmax)Úselfr&   ZNNZNMZiter_maxr   r   r    Ztolr   r#   ÚiterZblockdimZgriddimZ
error_gridr)   ZdAZdAnewZderror_gridÚtmpr   r%   r   Útest_laplace_small   sF    
@(
z"TestCudaLaplace.test_laplace_smallN)Ú__name__Ú
__module__Ú__qualname__r3   r   r   r   r   r
      s   r
   Ú__main__)Únumpyr+   Znumbar   r   r   Znumba.cuda.testingr   r   Z
numba.corer   r*   r   r   r
   r4   Úmainr   r   r   r   Ú<module>   s   g