EqualBinSizesValidator.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 +
#include "MantidAPI/EqualBinSizesValidator.h"
#include "MantidAPI/MatrixWorkspace.h"
#include "MantidKernel/EqualBinsChecker.h"
 
namespace Mantid::API {
 
EqualBinSizesValidator::EqualBinSizesValidator(const double errorLevel) : m_errorLevel(errorLevel) {}
 
Kernel::IValidator_sptr EqualBinSizesValidator::clone() const {
  return std::make_shared<EqualBinSizesValidator>(*this);
}
 
std::string EqualBinSizesValidator::checkValidity(const MatrixWorkspace_sptr &value) const {
  if (!value)
    return "Enter an existing workspace";
  if (!value->isCommonBins())
    return "The workspace must have common bin boundaries for all histograms";
  if (value->getNumberHistograms() == 0 || value->blocksize() == 0)
    return "Enter a workspace with some data in it";
 
  Kernel::EqualBinsChecker checker(value->readX(0), m_errorLevel, -1);
  return checker.validate();
}
 
} // namespace Mantid::API