a Re @sXddlZddlmZmZddlmZmZmZm Z ej Z e dddddej ddf ddZ dS) N) csr_matrixissparse)csgraph_to_densecsgraph_from_densecsgraph_masked_from_densecsgraph_from_maskedTFc Cs |s|std|s,t|r,|jdkr,|j}t|rV|rHt|t|d}qt||d}ntj |r|r|j } tj |j t|d}||| <qt |}nF|rt|||| | d}|j } tj|j td}||| <nt||| | d}|jdkrtd |jd |jd krtd |S) z7Routine for validation and conversion of csgraph inputsz*Internal: dense or csr output must be trueZcsc)dtypecopy) null_value)r r nan_null infinity_null)r )r r r z#compressed-sparse graph must be 2-Drrz,compressed-sparse graph must be shape (N, N)) ValueErrorrformatTrDTYPErnpmaZ isMaskedArraymaskarraydatarrZasarrayrndimshape) ZcsgraphZdirectedr Z csr_outputZ dense_outputZ copy_if_denseZcopy_if_sparseZ null_value_inZnull_value_outr r rrT/var/www/sunrise/env/lib/python3.9/site-packages/scipy/sparse/csgraph/_validation.pyvalidate_graph sB     r)numpyrZ scipy.sparserrZ_toolsrrrrfloat64rinfrrrrrs