forked from huawei/mindspore2022
36 lines
1.3 KiB
Python
36 lines
1.3 KiB
Python
# Copyright 2021 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ===========================================================================
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"""generate json desc for slice"""
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from ._utils import Expander, ExpanderInfoValidator as VLD
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@VLD.check_attrs('begin', 'size')
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class Slice(Expander):
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"""Slice expander"""
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def _expand(self, graph_builder):
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input_x = self.inputs[0]
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begin = self.attrs['begin']
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size = self.attrs['size']
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end = []
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strides = []
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for i in range(len(begin)):
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strides.append(1)
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end.append(begin[i] + size[i])
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output = graph_builder.tensor(size, input_x.dtype, input_x.data_format)
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graph_builder.op('StridedSlice', output, [input_x], attrs={'begin': begin, 'end': end, 'strides': strides})
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return output
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