SymTools_impl.hh

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#ifndef SYMTOOLS_IMPL_HH
#define SYMTOOLS_IMPL_HH
 
#include "casm/crystallography/CanonicalForm.hh"
#include "casm/crystallography/SymTools.hh"
#include "casm/symmetry/SymGroup.hh"
 
namespace CASM {
namespace sym {
template <typename OutputIt>
OutputIt invariant_subgroup(const std::vector<SymOp> &super_group,
                            const xtal::Lattice &lat, OutputIt result) {
  auto subgroup_operation_indices =
      xtal::invariant_subgroup_indices(lat, super_group);
  for (auto ix : subgroup_operation_indices) {
    auto it = super_group.begin();
    std::advance(it, ix);
    *result = *it;
    ++result;
  }
  return result;
}
}  // namespace sym
}  // namespace CASM
 
#endif