MatrixToNDArray.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2012 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 +
#pragma once
 
#include "MantidKernel/Matrix.h"
#include "MantidPythonInterface/core/Converters/WrapWithNDArray.h"
#include <boost/python/detail/prefix.hpp>
 
namespace Mantid {
namespace PythonInterface {
namespace Converters {
//-----------------------------------------------------------------------
// Converter implementation
//-----------------------------------------------------------------------
template <typename ElementType, typename ConversionPolicy> struct DLLExport MatrixToNDArray {
  inline PyObject *operator()(const Kernel::Matrix<ElementType> &cmatrix) const {
    const std::pair<size_t, size_t> matrixDims = cmatrix.size();
    Py_intptr_t dims[2] = {static_cast<Py_intptr_t>(matrixDims.first), static_cast<Py_intptr_t>(matrixDims.second)};
    using policy = typename ConversionPolicy::template apply<ElementType>;
    return policy::createFromArray(&(cmatrix[0][0]), 2, dims);
  }
};
} // namespace Converters
} // namespace PythonInterface
} // namespace Mantid