o Th@sBddlZGdddZGdddZddZdd Zd d d ZdS) Nc@seZdZddZdS) _FakeMatrixcCs||_|j|_dSN)_data__array_interface__selfdatar W/home/air/segue/gpt/backup/venv/lib/python3.10/site-packages/scipy/linalg/_testutils.py__init__s z_FakeMatrix.__init__N)__name__ __module__ __qualname__r r r r r rs rc@seZdZddZdddZdS) _FakeMatrix2cCs ||_dSr)rrr r r r s z_FakeMatrix2.__init__NcCs|r|jS|jSr)rcopy)rdtyperr r r __array__s z_FakeMatrix2.__array__)NN)r r rr rr r r r r srcCst|dkr!|ddkr!tj||d}d|dddf<d|d<|St|dkre|d|dkretj||d}t|d}d|||f<d||dd|dddf<d||ddd|ddf<|Stjdtjj||S)zz Get a test array of given shape and data type. Returned NxN matrices are posdef, and 2xN are banded-posdef. rrNi)lennpzerosarangerandomseedrandnastype)shaperxjr r r _get_arrays    r"cCs|Srr )r r r r _id-sr#c s|durtjtjtjtjg}|D]BdD]=tttfD]5fdd|D}fdd|D}||ddd}t||D] \}}tj j |||d qBqqqdS) zA Test that a call does not overwrite its input arguments N)CFcsg|]}t|qSr )r").0srr r <sz'assert_no_overwrite..csg|] }|qSr )r)r&r )fakerorderr r r(=szcall modified inputs [z, ])err_msg) rfloat32float64 complex64 complex128r#rrziptesting assert_equal)callshapesdtypes orig_inputsinputsmsgabr )rr)r*r assert_no_overwrite1sr<r)numpyrrrr"r#r<r r r r s