basic.py 文件源码

def perform(self, node, inputs, out):
        x, y = inputs
        out = out[0]
        x_is_sparse = _is_sparse(x)
        y_is_sparse = _is_sparse(y)

        if not x_is_sparse and not y_is_sparse:
            raise TypeError(x)

        rval = x * y

        if x_is_sparse and y_is_sparse:
            rval = rval.toarray()

        out[0] = theano._asarray(rval, dtype=node.outputs[0].dtype)