#NEWLINE# def test_column_almost_zero( self ) : #NEWLINE# #INDENT# a = np . array ( [ [ 1e-15 , 3 ] , [ ( - 2e-14 ) , ( - 6 ) ] ] ) #NEWLINE# b = np . array ( [ [ 0 , 3 ] , [ ( - 1e-15 ) , ( - 6 ) ] ] ) #NEWLINE# npt . assert_almost_equal ( * _normalize_signs ( a , b ) )