Arcane  4.1.12.0
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LinearOffsetMap.h
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
4// See the top-level COPYRIGHT file for details.
5// SPDX-License-Identifier: Apache-2.0
6//-----------------------------------------------------------------------------
7/*---------------------------------------------------------------------------*/
8/* LinearOffsetMap.h (C) 2000-2024 */
9/* */
10/* List of linear offsets. */
11/*---------------------------------------------------------------------------*/
12#ifndef ARCANE_UTILS_LINEAROFFSETMAP_H
13#define ARCANE_UTILS_LINEAROFFSETMAP_H
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16
17#include "arcane/utils/ArcaneGlobal.h"
18
19#include <map>
20
21/*---------------------------------------------------------------------------*/
22/*---------------------------------------------------------------------------*/
23
24namespace Arcane
25{
26
27/*---------------------------------------------------------------------------*/
28/*---------------------------------------------------------------------------*/
29
38template <typename DataType>
39class LinearOffsetMap
40{
41 public:
42
43 static_assert(std::is_same_v<DataType, Int32> || std::is_same_v<DataType, Int64>);
44
45 public:
46
48 ARCANE_UTILS_EXPORT void add(DataType size, DataType offset);
49
59 ARCANE_UTILS_EXPORT DataType getAndRemoveOffset(DataType size);
60
62 ARCANE_UTILS_EXPORT Int32 size() const;
63
64 private:
65
66 std::multimap<DataType, DataType> m_offset_map;
67};
68
69/*---------------------------------------------------------------------------*/
70/*---------------------------------------------------------------------------*/
71
72} // namespace Arcane
73
74/*---------------------------------------------------------------------------*/
75/*---------------------------------------------------------------------------*/
76
77#endif
ArcaneGlobal.h
Arcane configuration file.
Arcane::LinearOffsetMap
List of linear offsets.
Definition LinearOffsetMap.h:40
Arcane::LinearOffsetMap::add
void add(DataType size, DataType offset)
Adds an offset offset of size size.
Definition LinearOffsetMap.cc:28
Arcane::LinearOffsetMap::size
Int32 size() const
Number of elements in the table.
Definition LinearOffsetMap.cc:59
Arcane::LinearOffsetMap::getAndRemoveOffset
DataType getAndRemoveOffset(DataType size)
Retrieves a sufficient offset for an element of size size.
Definition LinearOffsetMap.cc:38
Arcane
-- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature --
Definition arcane/src/arcane/accelerator/AcceleratorGlobal.h:37
Arcane::Int32
std::int32_t Int32
Signed integer type of 32 bits.
Definition ArccoreGlobal.h:233