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//
//=======================================================================
// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//=======================================================================
//
#if __KCC
namespace std {
template <class RandomAccessIterator, class Distance>
bool __is_heap(RandomAccessIterator first, RandomAccessIterator last,
Distance*)
{
const Distance n = last - first;
Distance parent = 0;
for (Distance child = 1; child < n; ++child) {
if (first[parent] < first[child])
return false;
if ((child & 1) == 0)
++parent;
}
return true;
}
template <class RandomAccessIterator>
inline bool is_heap(RandomAccessIterator first, RandomAccessIterator last)
{
return __is_heap(first, last, distance_type(first));
}
template <class RandomAccessIterator, class Distance, class StrictWeakOrdering>
bool __is_heap(RandomAccessIterator first, RandomAccessIterator last,
StrictWeakOrdering comp,
Distance*)
{
const Distance n = last - first;
Distance parent = 0;
for (Distance child = 1; child < n; ++child) {
if (comp(first[parent], first[child]))
return false;
if ((child & 1) == 0)
++parent;
}
return true;
}
template <class RandomAccessIterator, class StrictWeakOrdering>
inline bool is_heap(RandomAccessIterator first, RandomAccessIterator last,
StrictWeakOrdering comp)
{
return __is_heap(first, last, comp, distance_type(first));
}
}
#endif