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PaddleSpeech/runtime/engine/common/utils/math.h

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// Copyright (c) 2022 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.
#pragma once
#include <cstdint>
#include <vector>
namespace ppspeech {
// Sum in log scale
float LogSumExp(float x, float y);
template <typename T>
void TopK(const std::vector<T>& data,
int32_t k,
std::vector<T>* values,
std::vector<int>* indices);
} // namespace ppspeech