# Copyright 2024 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
"""Activations."""
from mindspore import nn


class SiLU(nn.Cell):
    r"""
    A self-defined SwiGlu.

        Inputs:
            - **x** (Tensor) - Tensor.

        Outputs:
            Tensor. x = silu(x).
    """

    def __init__(self):
        super().__init__()
        # pylint: disable=W0212
        self.silu = nn.SiLU()
        self.self_define = False

    def construct(self, x):
        return self.silu(x)