#NEWLINE# @ attr . gpu #NEWLINE# @ condition . retry ( 3 ) #NEWLINE# def test_backward_negative_multi_axis_invert_gpu( self ) : #NEWLINE# #INDENT# gy = ( numpy . ones_like ( self . x . sum ( axis = ( ( - 2 ) , 0 ) ) ) * self . gy ) #NEWLINE# self . check_backward ( cuda . to_gpu ( self . x ) , cuda . to_gpu ( gy ) , axis = ( ( - 2 ) , 0 ) )