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"""
Copyright (c) 2017-2018 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
import networkx as nx
from mo.front.common.replacement import FrontReplacementOp
from mo.graph.graph import Node
from mo.ops.eltwise import Eltwise
class AddN(FrontReplacementOp):
op = "add_n"
enabled = True
def replace_op(self, graph: nx.MultiDiGraph, node: Node):
out_node = node
for n in range(len(node.in_nodes())-1):
node_name = node.name + '/add_' + str(n)
symbol_node = dict(
op='elemwise_add',
name = node_name
)
node_add = Eltwise(graph, dict(operation='sum', name = node_name, symbol_dict=symbol_node))
input_node = out_node.in_node(0) if n == 0 else out_node
out_node = node_add.create_node([input_node, node.in_node(n+1)])
return [out_node.id]
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