openPMD-api
BlockSlicer.hpp
1 /* Copyright 2018-2021 Franz Poeschel
2  *
3  * This file is part of openPMD-api.
4  *
5  * openPMD-api is free software: you can redistribute it and/or modify
6  * it under the terms of of either the GNU General Public License or
7  * the GNU Lesser General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * openPMD-api is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License and the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * and the GNU Lesser General Public License along with openPMD-api.
19  * If not, see <http://www.gnu.org/licenses/>.
20  */
21 
22 #pragma once
23 
24 #include "openPMD/Dataset.hpp"
25 
26 
27 namespace openPMD
28 {
34  {
35  public:
43  virtual std::pair<
44  Offset,
45  Extent
46  > sliceBlock(
47  Extent & totalExtent,
48  int size,
49  int rank
50  ) = 0;
51 
54  virtual ~BlockSlicer() = default;
55  };
56 }
openPMD::BlockSlicer::sliceBlock
virtual std::pair< Offset, Extent > sliceBlock(Extent &totalExtent, int size, int rank)=0
Associate the current thread with its cuboid.
openPMD
Public definitions of openPMD-api.
Definition: Date.cpp:29
openPMD::BlockSlicer
Abstract class to associate a thread with its local cuboid in the total cuboid.
Definition: BlockSlicer.hpp:33
openPMD::BlockSlicer::~BlockSlicer
virtual ~BlockSlicer()=default
This class will be derived from.