GridDomain.cpp

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#include <numeric>
#include <stdexcept>
 
#include "MantidAPI/GridDomain.h"
#include "MantidKernel/Logger.h"
 
namespace Mantid::API {
namespace {
Kernel::Logger g_log("GridDomain");
} // namespace
 
size_t GridDomain::size() const {
  if (m_grids.empty())
    return 0;
  else
    return std::accumulate(m_grids.begin(), m_grids.end(), size_t{1},
                           [](size_t n, const std::shared_ptr<GridDomain> &grid) { return n * grid->size(); });
}
 
size_t GridDomain::nDimensions() {
  return std::accumulate(m_grids.begin(), m_grids.end(), size_t{0},
                         [](size_t n, std::shared_ptr<GridDomain> &grid) { return n + grid->nDimensions(); });
}
 
/* return item of member m_grids
 * @param index the particular item of m_grids to return
 */
GridDomain_sptr GridDomain::getGrid(size_t index) {
  GridDomain_sptr g;
  try {
    g = m_grids.at(index);
  } catch (std::out_of_range &ex) {
    g_log.error(ex.what());
  }
  return g;
}
 
void GridDomain::reScale(const std::string &scaling) {
  for (auto &grid : m_grids)
    grid->reScale(scaling);
}
 
} // namespace Mantid::API