openvino/docs/HOWTO/mo_extensions/front/tf/Complex.py

58 lines
2.0 KiB
Python

"""
Copyright (C) 2018-2020 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.
"""
#! [complex:transformation]
import logging as log
import numpy as np
from mo.front.common.replacement import FrontReplacementSubgraph
from mo.graph.graph import Graph
class Complex(FrontReplacementSubgraph):
enabled = True
def pattern(self):
return dict(
nodes=[
('strided_slice_real', dict(op='StridedSlice')),
('strided_slice_imag', dict(op='StridedSlice')),
('complex', dict(op='Complex')),
],
edges=[
('strided_slice_real', 'complex', {'in': 0}),
('strided_slice_imag', 'complex', {'in': 1}),
])
@staticmethod
def replace_sub_graph(graph: Graph, match: dict):
strided_slice_real = match['strided_slice_real']
strided_slice_imag = match['strided_slice_imag']
complex_node = match['complex']
# make sure that both strided slice operations get the same data as input
assert strided_slice_real.in_port(0).get_source() == strided_slice_imag.in_port(0).get_source()
# identify the output port of the operation producing datat for strided slice nodes
input_node_output_port = strided_slice_real.in_port(0).get_source()
input_node_output_port.disconnect()
# change the connection so now all consumers of "complex_node" get data from input node of strided slice nodes
complex_node.out_port(0).get_connection().set_source(input_node_output_port)
#! [complex:transformation]