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// Copyright 2005 The Trustees of Indiana University. | ||
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// Use, modification and distribution is subject to 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) | ||
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// Authors: Douglas Gregor | ||
// Andrew Lumsdaine | ||
#ifndef BOOST_GRAPH_ACCOUNTING_HPP | ||
#define BOOST_GRAPH_ACCOUNTING_HPP | ||
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#include <iomanip> | ||
#include <iostream> | ||
#include <string> | ||
#include <sstream> | ||
#include <boost/mpi/config.hpp> | ||
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namespace boost { namespace graph { namespace accounting { | ||
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typedef double time_type; | ||
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inline time_type get_time() | ||
{ | ||
return MPI_Wtime(); | ||
} | ||
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inline std::string print_time(time_type t) | ||
{ | ||
std::ostringstream out; | ||
out << std::setiosflags(std::ios::fixed) << std::setprecision(2) << t; | ||
return out.str(); | ||
} | ||
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} } } // end namespace boost::graph::accounting | ||
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#endif // BOOST_GRAPH_ACCOUNTING_HPP |
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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) | ||
//======================================================================= | ||
// | ||
#ifndef BOOST_ARRAY_BINARY_TREE_HPP | ||
#define BOOST_ARRAY_BINARY_TREE_HPP | ||
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#include <iterator> | ||
#include <functional> | ||
#include <boost/config.hpp> | ||
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namespace boost { | ||
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/* | ||
* Note: array_binary_tree is a completey balanced binary tree. | ||
*/ | ||
#if !defined BOOST_NO_STD_ITERATOR_TRAITS | ||
template <class RandomAccessIterator, class ID> | ||
#else | ||
template <class RandomAccessIterator, class ValueType, class ID> | ||
#endif | ||
class array_binary_tree_node { | ||
public: | ||
typedef array_binary_tree_node ArrayBinaryTreeNode; | ||
typedef RandomAccessIterator rep_iterator; | ||
#if !defined BOOST_NO_STD_ITERATOR_TRAITS | ||
typedef typename std::iterator_traits<RandomAccessIterator>::difference_type | ||
difference_type; | ||
typedef typename std::iterator_traits<RandomAccessIterator>::value_type | ||
value_type; | ||
#else | ||
typedef int difference_type; | ||
typedef ValueType value_type; | ||
#endif | ||
typedef difference_type size_type; | ||
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struct children_type { | ||
struct iterator | ||
: boost::iterator<std::bidirectional_iterator_tag, ArrayBinaryTreeNode, | ||
difference_type, array_binary_tree_node*, ArrayBinaryTreeNode&> | ||
{ // replace with iterator_adaptor implementation -JGS | ||
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inline iterator() : i(0), n(0) { } | ||
inline iterator(const iterator& x) : r(x.r), i(x.i), n(x.n), id(x.id) { } | ||
inline iterator& operator=(const iterator& x) { | ||
r = x.r; i = x.i; n = x.n; | ||
/*egcs generate a warning*/ | ||
id = x.id; | ||
return *this; | ||
} | ||
inline iterator(rep_iterator rr, | ||
size_type ii, | ||
size_type nn, | ||
const ID& _id) : r(rr), i(ii), n(nn), id(_id) { } | ||
inline array_binary_tree_node operator*() { | ||
return ArrayBinaryTreeNode(r, i, n, id); } | ||
inline iterator& operator++() { ++i; return *this; } | ||
inline iterator operator++(int) | ||
{ iterator t = *this; ++(*this); return t; } | ||
inline bool operator==(const iterator& x) const { return i == x.i; } | ||
inline bool operator!=(const iterator& x) const | ||
{ return !(*this == x); } | ||
rep_iterator r; | ||
size_type i; | ||
size_type n; | ||
ID id; | ||
}; | ||
inline children_type() : i(0), n(0) { } | ||
inline children_type(const children_type& x) | ||
: r(x.r), i(x.i), n(x.n), id(x.id) { } | ||
inline children_type& operator=(const children_type& x) { | ||
r = x.r; i = x.i; n = x.n; | ||
/*egcs generate a warning*/ | ||
id = x.id; | ||
return *this; | ||
} | ||
inline children_type(rep_iterator rr, | ||
size_type ii, | ||
size_type nn, | ||
const ID& _id) : r(rr), i(ii), n(nn), id(_id) { } | ||
inline iterator begin() { return iterator(r, 2 * i + 1, n, id); } | ||
inline iterator end() { return iterator(r, 2 * i + 1 + size(), n, id); } | ||
inline size_type size() const { | ||
size_type c = 2 * i + 1; | ||
size_type s; | ||
if (c + 1 < n) s = 2; | ||
else if (c < n) s = 1; | ||
else s = 0; | ||
return s; | ||
} | ||
rep_iterator r; | ||
size_type i; | ||
size_type n; | ||
ID id; | ||
}; | ||
inline array_binary_tree_node() : i(0), n(0) { } | ||
inline array_binary_tree_node(const array_binary_tree_node& x) | ||
: r(x.r), i(x.i), n(x.n), id(x.id) { } | ||
inline ArrayBinaryTreeNode& operator=(const ArrayBinaryTreeNode& x) { | ||
r = x.r; | ||
i = x.i; | ||
n = x.n; | ||
/*egcs generate a warning*/ | ||
id = x.id; | ||
return *this; | ||
} | ||
inline array_binary_tree_node(rep_iterator start, | ||
rep_iterator end, | ||
rep_iterator pos, const ID& _id) | ||
: r(start), i(pos - start), n(end - start), id(_id) { } | ||
inline array_binary_tree_node(rep_iterator rr, | ||
size_type ii, | ||
size_type nn, const ID& _id) | ||
: r(rr), i(ii), n(nn), id(_id) { } | ||
inline value_type& value() { return *(r + i); } | ||
inline const value_type& value() const { return *(r + i); } | ||
inline ArrayBinaryTreeNode parent() const { | ||
return ArrayBinaryTreeNode(r, (i - 1) / 2, n, id); | ||
} | ||
inline bool has_parent() const { return i != 0; } | ||
inline children_type children() { return children_type(r, i, n, id); } | ||
/* | ||
inline void swap(array_binary_tree_node x) { | ||
value_type tmp = x.value(); | ||
x.value() = value(); | ||
value() = tmp; | ||
i = x.i; | ||
} | ||
*/ | ||
template <class ExternalData> | ||
inline void swap(ArrayBinaryTreeNode x, ExternalData& edata ) { | ||
using boost::get; | ||
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value_type tmp = x.value(); | ||
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/*swap external data*/ | ||
edata[ get(id, tmp) ] = i; | ||
edata[ get(id, value()) ] = x.i; | ||
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x.value() = value(); | ||
value() = tmp; | ||
i = x.i; | ||
} | ||
inline const children_type children() const { | ||
return children_type(r, i, n); | ||
} | ||
inline size_type index() const { return i; } | ||
rep_iterator r; | ||
size_type i; | ||
size_type n; | ||
ID id; | ||
}; | ||
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template <class RandomAccessContainer, | ||
class Compare = std::less<typename RandomAccessContainer::value_type> > | ||
struct compare_array_node { | ||
typedef typename RandomAccessContainer::value_type value_type; | ||
compare_array_node(const Compare& x) : comp(x) {} | ||
compare_array_node(const compare_array_node& x) : comp(x.comp) {} | ||
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template< class node_type > | ||
inline bool operator()(const node_type& x, const node_type& y) { | ||
return comp(x.value(), y.value()); | ||
} | ||
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template< class node_type > | ||
inline bool operator()(const node_type& x, const node_type& y) const { | ||
return comp(x.value(), y.value()); | ||
} | ||
Compare comp; | ||
}; | ||
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} // namespace boost | ||
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#endif /* BOOST_ARRAY_BINARY_TREE_HPP */ |
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