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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef HPL1_ALGORITHMS
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#define HPL1_ALGORITHMS
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#include "common/array.h"
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namespace Hpl1 {
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template<typename T, typename V>
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void resizeAndFill(Common::Array<T> &container, const typename Common::Array<T>::size_type newSize, const V &value) {
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const auto oldSize = container.size();
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container.resize(newSize);
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for (auto i = oldSize; i < newSize; ++i)
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container[i] = value;
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}
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template<typename RandomIt, typename V, typename Comp = Common::Less<V>>
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RandomIt lowerBound(RandomIt begin, RandomIt end, V const &val, Comp comp = {}) {
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while (begin < end) {
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const auto mid = begin + Common::distance(begin, end) / 2;
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if (comp(*mid, val))
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begin = mid + 1;
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else
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end = mid;
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}
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return begin;
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}
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template<typename RandomIt, typename V, typename Comp = Common::Less<V>>
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RandomIt upperBound(RandomIt begin, RandomIt end, V const &val, Comp comp = {}) {
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while (begin < end) {
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const auto mid = begin + Common::distance(begin, end) / 2;
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if (!comp(val, *mid))
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begin = mid + 1;
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else
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end = mid;
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}
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return begin;
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}
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template<typename RandomIt, typename Pred>
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RandomIt removeIf(RandomIt begin, RandomIt end, Pred pred) {
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for(auto i = begin; i != end; ++i) {
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if (!pred(*i))
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*begin++ = *i;
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}
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return begin;
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}
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} // namespace Hpl1
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#endif // HPL1_ALGORITHMS
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