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paddlepaddle--paddle/python/paddle/_typing/layout.py
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2026-07-13 12:40:42 +08:00

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# Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
#
# 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.
from __future__ import annotations
from typing import Literal, TypeAlias
# Note: Do not conform to predefined naming style in pylint.
DataLayout0D: TypeAlias = Literal["NC"]
DataLayout1D: TypeAlias = Literal["NCL", "NLC"]
DataLayout2D: TypeAlias = Literal["NCHW", "NHWC"]
DataLayout3D: TypeAlias = Literal["NCDHW", "NDHWC"]
DataLayoutND: TypeAlias = (
DataLayout0D | DataLayout1D | DataLayout2D | DataLayout3D
)
DataLayout1DVariant: TypeAlias = Literal["NCW", "NWC"]
DataLayoutImage: TypeAlias = Literal["HWC", "CHW"]