42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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* SPDX-FileCopyrightText: Copyright (c) 1993-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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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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#ifndef TRT_SATURATE_H
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#define TRT_SATURATE_H
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#include <array>
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#include <cuda_fp16.h>
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template <typename T_BBOX>
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__device__ T_BBOX saturate(T_BBOX v)
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{
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return max(min(v, T_BBOX(1)), T_BBOX(0));
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}
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template <>
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inline __device__ __half saturate(__half v)
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{
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#if __CUDA_ARCH__ >= 800
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return __hmax(__hmin(v, __half(1)), __half(0));
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#elif __CUDA_ARCH__ >= 530
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return __hge(v, __half(1)) ? __half(1) : (__hle(v, __half(0)) ? __half(0) : v);
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#else
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return max(min(v, float(1)), float(0));
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#endif
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}
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#endif // TRT_SATURATE_H
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