LatticeIsEquivalent.hh

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#ifndef CASM_LatticeIsEquivalent
#define CASM_LatticeIsEquivalent

#include "casm/external/Eigen/Dense"
#include "casm/crystallography/Lattice.hh"

namespace CASM {

  class LatticeIsEquivalent {

  public:

    LatticeIsEquivalent(const Lattice &lat, double _tol = TOL);


    bool operator()(const Lattice &B) const;

    bool operator()(const SymOp &op) const;

    bool operator()(const Eigen::Matrix3d &cart_op) const;

    bool operator()(const Eigen::Matrix3i &tfrac_op) const;

    const Lattice &lat() const;

    double map_error() const;

    Eigen::Matrix3d cart_op() const;

    SymOp sym_op() const;

  private:

    bool _check(const Eigen::Matrix3d &tfrac_op) const;

    const Eigen::Matrix3d &lat_column_mat() const;

    const Eigen::Matrix3d &inv_lat_column_mat() const;

    Lattice m_lat;
    double m_tol;
    mutable double m_map_error;
    mutable Eigen::Matrix3d m_cart_op;

  };

}

#endif