basic.py 文件源码

def perform(self, node, inputs, outputs):
        (x, y) = inputs
        (out,) = outputs
        assert _is_dense(y)

        # The asarray is needed as in some case, this return a
        # numpy.matrixlib.defmatrix.matrix object and not an ndarray.
        out[0] = theano._asarray(x + y, dtype=node.outputs[0].type.dtype)