core/materials/MatVarIndex.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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/* MatVarIndex.h                                               (C) 2000-2022 */
/*                                                                           */
/* Index sur les variables matériaux.                                        */
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#ifndef ARCANE_CORE_MATERIALS_MATVARINDEX_H
#define ARCANE_CORE_MATERIALS_MATVARINDEX_H
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/*---------------------------------------------------------------------------*/
 
#include "arcane/core/materials/MaterialsCoreGlobal.h"
 
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namespace Arcane::Materials
{
 
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class ARCANE_CORE_EXPORT MatVarIndex
{
 public:
 
  constexpr ARCCORE_HOST_DEVICE MatVarIndex(Int32 array_index,Int32 value_index)
  : m_array_index(array_index), m_value_index(value_index)
  {
  }
  ARCCORE_HOST_DEVICE MatVarIndex(){}
 
 public:
 
  constexpr ARCCORE_HOST_DEVICE Int32 arrayIndex() const { return m_array_index; }
 
  constexpr ARCCORE_HOST_DEVICE Int32 valueIndex() const { return m_value_index; }
 
  constexpr ARCCORE_HOST_DEVICE void setIndex(Int32 array_index,Int32 value_index)
  {
    m_array_index = array_index;
    m_value_index = value_index;
  }
 
  constexpr ARCCORE_HOST_DEVICE void reset()
  {
    m_array_index = (-1);
    m_value_index = (-1);
  }
 
  constexpr ARCCORE_HOST_DEVICE bool null() const
  {
    return m_value_index==(-1);
  }
 
 private:
  
  Int32 m_array_index;
  Int32 m_value_index;
};
 
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ARCANE_CORE_EXPORT ARCCORE_HOST_DEVICE std::ostream&
operator<<(std::ostream& o,const MatVarIndex& mvi);
 
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inline ARCCORE_HOST_DEVICE bool
operator==(MatVarIndex mv1,MatVarIndex mv2)
{
  if (mv1.arrayIndex() != mv2.arrayIndex())
    return false;
  return mv1.valueIndex() == mv2.valueIndex();
}
 
inline bool ARCCORE_HOST_DEVICE operator!=(MatVarIndex mv1,MatVarIndex mv2)
{
  return !(operator==(mv1,mv2));
}
 
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class ARCANE_CORE_EXPORT ComponentItemLocalId
{
 public:
  constexpr ARCCORE_HOST_DEVICE ComponentItemLocalId() : m_local_id(-1,-1){}
  constexpr ARCCORE_HOST_DEVICE explicit ComponentItemLocalId(MatVarIndex mvi) : m_local_id(mvi){}
 public:
  MatVarIndex ARCCORE_HOST_DEVICE localId() const { return m_local_id; }
 private:
  MatVarIndex m_local_id;
};
 
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class ARCANE_CORE_EXPORT PureMatVarIndex
{
 public:
  explicit ARCCORE_HOST_DEVICE PureMatVarIndex(Int32 idx) : m_index(idx){}
 public:
  Int32 ARCCORE_HOST_DEVICE valueIndex() const { return m_index; }
 private:
  Int32 m_index;
};
 
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ARCANE_CORE_EXPORT ARCCORE_HOST_DEVICE std::ostream&
operator<<(std::ostream& o,const ComponentItemLocalId& mvi);
 
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} // End namespace Arcane::Materials
 
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#endif