Program Listing for File max_heap.h¶
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// Copyright 2017 Kakao Corp. <http://www.kakaocorp.com>
//
// 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 <boost/heap/d_ary_heap.hpp>
namespace n2 {
typedef typename std::pair<int, float> IdDistancePair;
struct IdDistancePairMaxHeapComparer {
bool operator()(const IdDistancePair& p1, const IdDistancePair& p2) const {
return p1.second < p2.second;
}
};
typedef typename boost::heap::d_ary_heap<float, boost::heap::arity<4>> DistanceMaxHeap;
} // namespace n2