NumericTraits.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2022 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* NumericTraits.h                                             (C) 2000-2022 */
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/* Vue sur un tableaux multi-dimensionnel pour les types numériques.         */
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#ifndef ARCANE_UTILS_NUMERICTRAITS_H
#define ARCANE_UTILS_NUMERICTRAITS_H
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#include "arcane/utils/UtilsTypes.h"
 
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namespace Arcane
{
 
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/*!
 * \brief Informations pour les types numériques.
 *
 * Permet d'indiquer si un type numérique à un ou plusieurs opérateurs
 * 'operator[]' ainsi que leur type de retour.
 */
template<typename DataType>
class NumericTraitsT
{
  //! Type de retour de operator[]
  // using SubscriptType = Real2;
 
  //! Type de retour de operator[] const
  // using SubscriptConstType = Real2;
 
  //! Type de retour de operator[][]
  // using Subscript2Type = Real;
 
  //! Type de retour de operator[][] const
  // using Subscript2ConstType = Real;
};
 
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template<>
class NumericTraitsT<Real2>
{
 public:
  using SubscriptType = Real&;
  using SubscriptConstType = Real;
};
 
template<>
class NumericTraitsT<const Real2>
{
 public:
  using SubscriptType = const Real;
  using SubscriptConstType = const Real;
};
 
template<>
class NumericTraitsT<Real3>
{
 public:
  using SubscriptType = Real&;
  using SubscriptConstType = Real;
};
 
template<>
class NumericTraitsT<const Real3>
{
 public:
  using SubscriptType = const Real;
  using SubscriptConstType = const Real;
};
 
template<>
class NumericTraitsT<Real2x2>
{
 public:
  using SubscriptType = const Real2;
  using Subscript2Type = Real&;
  using Subscript2ConstType = const Real;
};
 
template<>
class NumericTraitsT<const Real2x2>
{
 public:
  using SubscriptType = const Real2;
  using Subscript2Type = const Real;
  using Subscript2ConstType = const Real;
};
 
template<>
class NumericTraitsT<Real3x3>
{
 public:
  //! Type de retour de operator[] pour ce type
  using SubscriptType = const Real3;
  using Subscript2Type = Real&;
  using Subscript2ConstType = const Real;
};
 
template<>
class NumericTraitsT<const Real3x3>
{
 public:
  //! Type de retour de operator[] pour ce type
  using SubscriptType = const Real3;
  using Subscript2Type = const Real;
  using Subscript2ConstType = const Real;
};
 
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} // End namespace Arcane
 
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#endif