# Source code for tensorrt_llm.layers.cast

    # SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
    # SPDX-License-Identifier: Apache-2.0
    #
    # 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 ..functional import cast
    from ..module import Module

    class Cast(Module):

        def __init__(self, output_dtype: str = 'float32') -> None:
            super().__init__()
            assert output_dtype in ('float32', 'float16', 'bfloat16', 'bool',
                                    'int32', 'int8'), TypeError(
                                        "%s is not supported" % output_dtype)
            self.output_dtype = output_dtype

        def forward(self, x):
            return cast(x, self.output_dtype)