CyclicGroup.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 "MantidGeometry/Crystal/CyclicGroup.h"
#include "MantidGeometry/Crystal/SymmetryOperationFactory.h"
#include <memory>
 
namespace Mantid::Geometry {
 
CyclicGroup::CyclicGroup(const std::string &symmetryOperationString)
    : Group(generateAllOperations(SymmetryOperationFactory::Instance().createSymOp(symmetryOperationString))) {}
 
CyclicGroup::CyclicGroup(const SymmetryOperation &symmetryOperation)
    : Group(generateAllOperations(symmetryOperation)) {}
 
std::vector<SymmetryOperation> CyclicGroup::generateAllOperations(const SymmetryOperation &operation) const {
  std::vector<SymmetryOperation> symOps(1, operation);
  symOps.reserve(operation.order());
  for (size_t i = 1; i < operation.order(); ++i) {
    symOps.emplace_back(operation * symOps.back());
  }
 
  return symOps;
}
 
} // namespace Mantid::Geometry