49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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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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// Generic utils similar to those from the C++ header <algorithm>.
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#ifndef LIBTEXTCLASSIFIER_COMMON_ALGORITHM_H_
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#define LIBTEXTCLASSIFIER_COMMON_ALGORITHM_H_
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#include <algorithm>
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#include <vector>
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namespace libtextclassifier {
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namespace nlp_core {
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// Returns index of max element from the vector |elements|. Returns 0 if
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// |elements| is empty. T should be a type that can be compared by operator<.
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template<typename T>
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inline int GetArgMax(const std::vector<T> &elements) {
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return std::distance(
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elements.begin(),
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std::max_element(elements.begin(), elements.end()));
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}
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// Returns index of min element from the vector |elements|. Returns 0 if
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// |elements| is empty. T should be a type that can be compared by operator<.
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template<typename T>
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inline int GetArgMin(const std::vector<T> &elements) {
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return std::distance(
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elements.begin(),
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std::min_element(elements.begin(), elements.end()));
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}
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} // namespace nlp_core
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} // namespace libtextclassifier
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#endif // LIBTEXTCLASSIFIER_COMMON_ALGORITHM_H_
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