ConvertToPointData.cpp

//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include "MantidAlgorithms/ConvertToPointData.h"
#include "MantidAPI/MatrixWorkspace.h"
#include "MantidKernel/VectorHelper.h"

namespace Mantid {
namespace Algorithms {

DECLARE_ALGORITHM(ConvertToPointData)

using API::MatrixWorkspace_sptr;
using Mantid::MantidVec;
using std::size_t;

//------------------------------------------------------------------------------
// Private member functions
//------------------------------------------------------------------------------

/**
 * Returns true if the algorithm needs to be run.
 * @param inputWS pointer to input workspace
 * @returns True if the input workspace needs to be run through this algorithm
 */
bool ConvertToPointData::isProcessingRequired(
    const MatrixWorkspace_sptr inputWS) const {
  if (!inputWS->isHistogramData()) {
    g_log.information() << "Input workspace already contains point data. "
                        << "OutputWorkspace set to InputWorkspace value.\n";
    return false;
  }
  return true;
}

/**
 * Returns the size of the new X vector
 * @param inputWS pointer to input workspace
 * @returns An integer giving the size of the new X vector
 */
size_t
ConvertToPointData::getNewXSize(const MatrixWorkspace_sptr inputWS) const {
  return static_cast<int>(inputWS->blocksize());
}

/**
 * Calculate the X point values
 * @param inputX :: A const reference to the input data
 */
Kernel::cow_ptr<HistogramData::HistogramX> ConvertToPointData::calculateXPoints(
    Kernel::cow_ptr<HistogramData::HistogramX> inputX) const {
  return HistogramData::Points(HistogramData::BinEdges(std::move(inputX)))
      .cowData();
}
}
}