common/arccore/common/ArrayTraits.h

// -*- 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
//-----------------------------------------------------------------------------
/*---------------------------------------------------------------------------*/
/* ArrayTraits.h                                               (C) 2000-2025 */
/*                                                                           */
/* Caractéristiques d'un tableau 1D.                                         */
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#ifndef ARCCORE_COMMON_ARRAYTRAITS_H
#define ARCCORE_COMMON_ARRAYTRAITS_H
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/*---------------------------------------------------------------------------*/
 
#include "arccore/common/CommonGlobal.h"
 
// Pour std::byte
#include <cstddef>
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
namespace Arccore
{
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
template <typename T>
class ArrayTraits
{
 public:
 
  typedef const T& ConstReferenceType;
  typedef FalseType IsPODType;
};
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/

#define ARCCORE_DEFINE_ARRAY_PODTYPE(datatype) \
  template <> \
  class ArrayTraits<datatype>           \
  { \
   public: \
\
    typedef datatype ConstReferenceType; \
    typedef TrueType IsPODType; \
  }
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
template <typename T>
class ArrayTraits<T*>
{
 public:
 
  typedef T* Ptr;
  typedef const Ptr& ConstReferenceType;
  typedef FalseType IsPODType;
};

template <typename T>
class ArrayTraits<const T*>
{
 public:
 
  typedef T* Ptr;
  typedef const T* ConstReferenceType;
  typedef FalseType IsPODType;
};
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
ARCCORE_DEFINE_ARRAY_PODTYPE(char);
ARCCORE_DEFINE_ARRAY_PODTYPE(signed char);
ARCCORE_DEFINE_ARRAY_PODTYPE(unsigned char);
ARCCORE_DEFINE_ARRAY_PODTYPE(short);
ARCCORE_DEFINE_ARRAY_PODTYPE(int);
ARCCORE_DEFINE_ARRAY_PODTYPE(long);
ARCCORE_DEFINE_ARRAY_PODTYPE(unsigned short);
ARCCORE_DEFINE_ARRAY_PODTYPE(unsigned int);
ARCCORE_DEFINE_ARRAY_PODTYPE(unsigned long);
ARCCORE_DEFINE_ARRAY_PODTYPE(float);
ARCCORE_DEFINE_ARRAY_PODTYPE(double);
ARCCORE_DEFINE_ARRAY_PODTYPE(long double);
ARCCORE_DEFINE_ARRAY_PODTYPE(std::byte);
ARCCORE_DEFINE_ARRAY_PODTYPE(Float16);
ARCCORE_DEFINE_ARRAY_PODTYPE(BFloat16);
 
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/*---------------------------------------------------------------------------*/
 
} // namespace Arccore
 
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#endif