
    bi2                     z    d Z 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ZdZ G d de      Zy# e$ r dZY w xY w)	a0  
Copyright 2023, the CVXPY Authors

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

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distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
    N)BaseTest)linalgFTc                      e Zd ZddZddZej                  j                  ed      d        Z	ej                  j                  ed      d        Z
ej                  j                  ed      dd       Zej                  j                  ed      d        Zej                  j                  ed      d	        Zej                  j                  ed      d
        Zy)TestSparseCholeskyc                     ||j                   z  }||z
  j                         j                         }| j                  |t	        j
                  |j                        |       y )N)TtoarrayflattenassertItemsAlmostEqualnpzerossize)selfLpAplacesGdeltas         X/home/cdr/jupyterlab/.venv/lib/python3.12/site-packages/cvxpy/tests/test_linalg_utils.py
check_gramzTestSparseCholesky.check_gram    sG    IQ!))+##E288EJJ+?H    c                 :   |j                         }| j                  t        j                  |dkD               |t	        j
                  |      z
  j                         j                         }| j                  |t        j                  |j                        |       y )Nr   )diagonal
assertTruer   allspartrilr	   r
   r   r   r   )r   Lr   diagr   s        r   check_factorzTestSparseCholesky.check_factor%   si    zz|tax()TYYq\!**,446##E288EJJ+?Hr   zrequires sparse_cholesky)reasonc                 T   t         j                  j                  d       t        j                  t        j
                  t         j                  j                  d                  }t        j                  |d      \  }}}| j                  |       | j                  ||d d f   |       y )Nr              )r   randomseedr   	csc_arrayr   randlausparse_choleskyr    r   )r   r   _r   ps        r   test_diagonalz TestSparseCholesky.test_diagonal+   sr    
		qNN277299>>!#456%%a-1a!!Q$#r   c                    t         j                  j                  d       d}t         j                  j                  |      dz   }t        j                  t        j
                  |            t        j                  |dz
        z  dz  }t        j                  |||gg d      }t        j                  |d      \  }}}| j                  |       | j                  ||d d f   |       y )	Nr      皙?      r   r1   offsetsr$   )r   r%   r&   r(   minabsonesr   diags_arrayr)   r*   r    r   )r   nr   offdiagr   r+   r   r,   s           r   test_tridiagonalz#TestSparseCholesky.test_tridiagonal3   s    
		qyy~~a 3&&&&Q7!;gtW5zJ%%a-1a!!Q$#r   c                    t         j                  j                  d       t         j                  j                  dd      }t	        j
                  ||j                  z        }|r%ddlm} |j                  |      }t        ||      sJ t        j                  |      \  }}}| j                  |       |r|j                  }| j                  ||d d f   |       y )Nr      )
Expression)r   r%   r&   randnr   r'   r   cvxpy.expressions.expressionr@   cast_to_const
isinstancer)   r*   r    valuer   )r   use_expressionBr   r@   r+   r   r,   s           r   test_genericzTestSparseCholesky.test_generic>   s    
		qIIOOAq!NN1qss7#?((+Aa,,,%%a(1a!A!Q$#r   c                 (    | j                  d       y )NT)rF   )rH   )r   s    r   test_expressionz"TestSparseCholesky.test_expressionM   s    .r   c                 R   t         j                  j                  d       t         j                  j                  dd      }||j                  z  }| j                  t        t        j                  j                        5  t        j                  |       d d d        y # 1 sw Y   y xY w)Nr   r#   r2   msg)r   r%   r&   rA   r   assertRaises
ValueErrorr)   SparseCholeskyMessages
EIGEN_FAILr*   )r   rG   r   s      r   test_singularz TestSparseCholesky.test_singularQ   sw     			qIIOOAq!Gzs/I/I/T/TU 	#"	# 	# 	#s   >BB&c                    t         j                  j                  d       d}t         j                  j                  |      dz   }d||dz
  <   t        j                  t        j
                  |            t        j                  |dz
        z  dz  }t        j                  |||gg d      }| j                  t        t        j                  j                  	      5  t        j                  |d
       d d d        y # 1 sw Y   y xY w)Nr   r/   r0   r4   r1   r2   r3   r5   rL   r$   )r   r%   r&   r(   r7   r8   r9   r   r:   rN   rO   r)   rP   
INDEFINITEr*   )r   r;   r   r<   r   s        r   test_nonsingular_indefinitez.TestSparseCholesky.test_nonsingular_indefiniteZ   s    
		qyy~~a 3&QqS	&&&Q7!;gtW5zJzs/I/I/T/TU 	(3'	( 	( 	(s   C;;DN)r/   )F)__name__
__module____qualname__r   r    pytestmarkskipifmissing_extensionr-   r=   rH   rJ   rR   rU    r   r   r   r      s   I
I [[)2LM$ N$ [[)2LM$ N$ [[)2LM$ N$ [[)2LM/ N/ [[)2LM# N# [[)2LM( N(r   r   )__doc__numpyr   rY   scipy.sparsesparser   cvxpy.tests.base_testr   cvxpy.utilitiesr   r)   "cvxpy.utilities.cpp.sparsecholeskycvxpyr\   ModuleNotFoundErrorr   r]   r   r   <module>rg      sN        * )-E( E(  s   0 ::