# Copyright (c) 2021 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.
# Modified from espnet(https://github.com/espnet/espnet)
"""Repeat the same layer definition."""
import paddle
[docs]class MultiSequential(paddle.nn.Sequential):
"""Multi-input multi-output paddle.nn.Sequential."""
[docs] def forward(self, *args):
"""Repeat."""
for m in self:
args = m(*args)
return args
[docs]def repeat(N, fn):
"""Repeat module N times.
Args:
N (int):
Number of repeat time.
fn (Callable):
Function to generate module.
Returns:
MultiSequential: Repeated model instance.
"""
return MultiSequential(* [fn(n) for n in range(N)])