103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
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/*
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----
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This file is part of SECONDO.
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Copyright (C) 2019,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//[<] [\ensuremath{<}]
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//[>] [\ensuremath{>}]
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\setcounter{tocdepth}{2}
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\tableofcontents
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1 Typedefs and constants for the CDACSpatialJoin(Count) operators
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To keep includes as limited as possible, this header contains common defines,
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typedefs and constants used in the context of the CDACSpatialJoin(Count)
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operators.
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For activating the Performance API (PAPI), see Timer.h.
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*/
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#pragma once
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// #define CDAC_SPATIAL_JOIN_REPORT_TO_CONSOLE
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// #define CDAC_SPATIAL_JOIN_DETAILED_REPORT_TO_CONSOLE
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// #define CDAC_SPATIAL_JOIN_METRICS
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#include <memory>
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#include <vector>
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namespace cdacspatialjoin {
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/*
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an enumeration for the rectangle sets to be joined
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*/
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enum SET {
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A = 0,
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B = 1
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};
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/*
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the number of rectangle sets to be joined (always 2, but to be used for
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semantic clarity)
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*/
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static constexpr unsigned SET_COUNT = 2;
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/*
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the integer type used for indices in vectors of SortEdges or JoinEdges
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*/
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typedef uint32_t EdgeIndex_t;
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/*
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the integer type used for indices of the TBlocks or RectangleBlocks of an
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input stream
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*/
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typedef uint32_t BlockIndex_t;
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/*
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the integer type used for indices of rows inside a TBlock
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*/
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typedef uint32_t RowIndex_t;
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/*
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the integer type used to store the full 'address' of a rectangle: the
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set (i. e. input stream A or B), the index of the TBlock (or RectangleBlock),
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and the row inside the block. Since each rectangle requires at least
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32 bytes of memory and only 512 MiB are provided per operator, this type
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must be able to address a maximum of 16 million rectangles, which easily
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fits into a uint32\_t (the number of bits used for blocks and rows is flexible
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to adapt to very large or very many blocks)
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*/
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typedef uint32_t SetRowBlock_t;
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/* the bit mask for the "set" information (SET::A / SET::B) which is
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* always stored in the highest bit of a SetRowBlock_t value */
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static constexpr SetRowBlock_t SET_MASK = 0x80000000;
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}
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