arcane/src/arcane/utils/MemoryUtils.h

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// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2025 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
/*---------------------------------------------------------------------------*/
/* MemoryUtils.h                                               (C) 2000-2025 */
/*                                                                           */
/* Fonctions utilitaires de gestion mémoire.                                 */
/*---------------------------------------------------------------------------*/
#ifndef ARCANE_UTILS_MEMORYUTILS_H
#define ARCANE_UTILS_MEMORYUTILS_H
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
#include "arcane/utils/UtilsTypes.h"
 
#include "arccore/common/MemoryAllocationArgs.h"
#include "arccore/common/MemoryUtils.h"
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
namespace Arcane::MemoryUtils
{
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
extern "C++" ARCANE_DEPRECATED_REASON("Y2024: Use getDefaultDataAllocator() instead.")
ARCANE_UTILS_EXPORT IMemoryAllocator*
getAcceleratorHostMemoryAllocator();
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
namespace impl
{
  extern "C++" ARCANE_UTILS_EXPORT Int64
  computeCapacity(Int64 size);
} // namespace impl
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
template <typename DataType> inline Int32
checkResizeArrayWithCapacity(Array<DataType>& array, Int64 new_size, bool force_resize)
{
  Int32 ret_value = 0;
  Int64 s = array.largeSize();
  if (new_size > s || force_resize) {
    ret_value = 1;
    if (new_size > array.capacity()) {
      array.reserve(impl::computeCapacity(new_size));
      ret_value = 2;
    }
    array.resize(new_size);
  }
  return ret_value;
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
template <typename DataType> inline Int32
checkResizeArrayWithCapacity(Array<DataType>& array, Int64 new_size)
{
  return checkResizeArrayWithCapacity(array, new_size, false);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
} // namespace Arcane::MemoryUtils
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
#endif