def dump_maximum_to_file(self, node, f):
        assert(node.op == 'Maximum')
        self.layer_number = self.layer_number + 1
        ynode = self.name_node_dict[node.input[1]]
        y = ynode.attr['value'].tensor.float_val[0]
        np.array([self.op2code[node.op]], dtype=np.uint32).tofile(f)
        np.array([y], dtype=np.float32).tofile(f)
        self.converted_nodes.add(node.name)
        input_operand_index = self.add_operand(node.input[0], Operand.IOTYPE_INPUT)
        output_operand_index = self.add_operand(node.name, Operand.IOTYPE_OUTPUT)
        np.array([input_operand_index, output_operand_index], dtype=np.uint32).tofile(f)