Revision cf2d0d64d5653363ecc2cd0db6448770b9466313 authored by Thomas Fischer on 27 October 2021, 07:11:17 UTC, committed by Thomas Fischer on 02 November 2021, 12:34:39 UTC
1 parent 558db7c
Location.h
/**
* \author Norihiro Watanabe
* \date 2013-04-16
*
* \file
* \copyright
* Copyright (c) 2012-2021, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*/
#include <cstddef>
#include <iosfwd>
#pragma once
namespace MeshLib
{
enum class MeshItemType { Node, Edge, Face, Cell, IntegrationPoint };
/// Char array names for all of MeshItemType values.
static constexpr char const* mesh_item_type_strings[] = {
"node", "edge", "face", "cell", "integration_point"};
/// Returns a char array for a specific MeshItemType.
static constexpr char const* toString(const MeshItemType t)
{
return mesh_item_type_strings[static_cast<int>(t)];
}
std::ostream& operator<<(std::ostream& os, MeshItemType const& t);
/// Spatial location description.
///
/// The spatial location is given by a mesh by its \c mesh_id, item's type (face,
/// cell, etc. see MeshItemType), and item's number by its \c item_id.
struct Location
{
std::size_t mesh_id;
MeshItemType item_type;
std::size_t item_id;
Location(std::size_t meshid, MeshItemType itemtype, std::size_t itemid)
: mesh_id(meshid), item_type(itemtype), item_id(itemid){}
};
/// Lexicographic order of Location.
inline
bool operator<(const Location& left, const Location& right)
{
if (left.mesh_id != right.mesh_id)
{
return left.mesh_id < right.mesh_id;
}
if (left.item_type != right.item_type)
{
return left.item_type < right.item_type;
}
return left.item_id < right.item_id;
}
std::ostream& operator<<(std::ostream& os, Location const& l);
} // namespace MeshLib
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