CartesianGridDimension.cc

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 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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/* CartesianMeshDimension.cc                                   (C) 2000-2023 */
/*                                                                           */
/* Information about the dimensions of a Cartesian mesh.                     */
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#include "arcane/core/CartesianGridDimension.h"
 
#include "arcane/utils/Math.h"
 
#include <iostream>
#include <array>
 
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namespace Arcane
{
 
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CartesianGridDimension::
CartesianGridDimension(Int64 nb_cell_x, Int64 nb_cell_y, Int64 nb_cell_z)
: m_nb_cell{ math::max(nb_cell_x, 0), math::max(nb_cell_y, 0), math::max(nb_cell_z, 0) }
{
  _init();
}
 
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CartesianGridDimension::
CartesianGridDimension(Int64 nb_cell_x, Int64 nb_cell_y)
: CartesianGridDimension(nb_cell_x, nb_cell_y, 0)
{
}
 
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CartesianGridDimension::
CartesianGridDimension(const Int64x2& dims)
: CartesianGridDimension(dims.x, dims.y)
{
}
 
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CartesianGridDimension::
CartesianGridDimension(const Int64x3& dims)
: CartesianGridDimension(dims.x, dims.y, dims.z)
{
}
 
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CartesianGridDimension::
CartesianGridDimension(const Int32x2& dims)
: CartesianGridDimension(dims.x, dims.y)
{
}
 
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CartesianGridDimension::
CartesianGridDimension(const Int32x3& dims)
: CartesianGridDimension(dims.x, dims.y, dims.z)
{
}
 
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void CartesianGridDimension::
_init()
{
  const bool is_dim3 = (m_nb_cell.z > 0);
  const bool is_dim2_or_3 = is_dim3 || (m_nb_cell.y > 0);
 
  m_nb_face.x = m_nb_cell.x + 1;
  m_nb_node.x = m_nb_cell.x + 1;
  if (is_dim2_or_3) {
    m_nb_face.y = m_nb_cell.y + 1;
    m_nb_node.y = m_nb_cell.y + 1;
  }
  if (is_dim3) {
    m_nb_face.z = m_nb_cell.z + 1;
    m_nb_node.z = m_nb_cell.z + 1;
  }
 
  m_nb_face_oriented.x = m_nb_face.x * m_nb_cell.y;
  m_nb_face_oriented.y = m_nb_face.y * m_nb_cell.x;
  m_nb_face_oriented.z = m_nb_cell.x * m_nb_cell.y;
 
  m_nb_cell_xy = m_nb_cell.x * m_nb_cell.y;
  m_total_nb_cell = m_nb_cell_xy;
  if (is_dim3)
    m_total_nb_cell *= m_nb_cell.z;
}
 
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} // namespace Arcane
 
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