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TU-local STXXL comparator for OSMNodeIDs, needs {min,max}_value

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Can not use std::less<>{} because of this.
This commit is contained in:
Daniel J. Hofmann 2016-01-21 12:52:35 +01:00 committed by Patrick Niklaus
parent 54a9173107
commit 0fcca04150
2 changed files with 15 additions and 23 deletions
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21
include/extractor/node_id.hpp
View File

@ -1,21 +0,0 @@
#ifndef NODE_ID_HPP
#define NODE_ID_HPP
#include "util/typedefs.hpp"
namespace osrm
{
namespace extractor
{
struct Cmp
{
using value_type = OSMNodeID;
bool operator()(const value_type left, const value_type right) const { return left < right; }
value_type max_value() { return MAX_OSM_NODEID; }
value_type min_value() { return MIN_OSM_NODEID; }
};
}
}
#endif // NODE_ID_HPP

17
src/extractor/extraction_containers.cpp
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@ -2,7 +2,6 @@
#include "extractor/extraction_way.hpp"
#include "util/coordinate_calculation.hpp"
#include "extractor/node_id.hpp"
#include "util/range_table.hpp"
#include "util/osrm_exception.hpp"
@ -24,6 +23,19 @@
#include <chrono>
#include <limits>
namespace
{
// Needed for STXXL comparison - STXXL requires max_value(), min_value(), so we can not use
// std::less<OSMNodeId>{}. Anonymous namespace to keep translation unit local.
struct OSMNodeIDSTXXLLess
{
using value_type = OSMNodeID;
bool operator()(const value_type left, const value_type right) const { return left < right; }
value_type max_value() { return MAX_OSM_NODEID; }
value_type min_value() { return MIN_OSM_NODEID; }
};
}
namespace osrm
{
namespace extractor
@ -136,7 +148,8 @@ void ExtractionContainers::PrepareNodes()
{
std::cout << "[extractor] Sorting used nodes ... " << std::flush;
TIMER_START(sorting_used_nodes);
stxxl::sort(used_node_id_list.begin(), used_node_id_list.end(), Cmp(), stxxl_memory);
stxxl::sort(used_node_id_list.begin(), used_node_id_list.end(), OSMNodeIDSTXXLLess(),
stxxl_memory);
TIMER_STOP(sorting_used_nodes);
std::cout << "ok, after " << TIMER_SEC(sorting_used_nodes) << "s" << std::endl;