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32 lines
1.0 KiB
C++
32 lines
1.0 KiB
C++
/* Copyright (C) 2021
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
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* or distributed except according to the terms contained in the LICENSE file.
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*/
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//! \file
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#include "blackmisc/sequence.h"
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#include <numeric>
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namespace BlackMisc::Private
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{
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QVector<int> findIndices(int size, const std::function<bool(int)> &predicate)
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{
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QVector<int> result(size);
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std::iota(result.begin(), result.end(), 0);
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result.erase(std::remove_if(result.begin(), result.end(), std::not_fn(predicate)), result.end());
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return result;
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}
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QVector<int> sortIndices(int size, const std::function<bool(int, int)> &cmp)
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{
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QVector<int> result(size);
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std::iota(result.begin(), result.end(), 0);
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std::sort(result.begin(), result.end(), cmp);
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return result;
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}
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}
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