ConformalShear.h

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// -*- lsst-c++ -*-

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#ifndef LSST_AFW_GEOM_ELLIPSES_ConformalShear_h_INCLUDED
#define LSST_AFW_GEOM_ELLIPSES_ConformalShear_h_INCLUDED

#include "lsst/afw/geom/ellipses/EllipticityBase.h"

namespace lsst {
namespace afw {
namespace geom {
namespace ellipses {

class Distortion;

class ReducedShear;

class ConformalShear : public detail::EllipticityBase {
public:
    explicit ConformalShear(std::complex<double> const& complex) : detail::EllipticityBase(complex) {}

    explicit ConformalShear(double e1 = 0.0, double e2 = 0.0) : detail::EllipticityBase(e1, e2) {}

    ConformalShear(ConformalShear const& other) : detail::EllipticityBase(other.getComplex()) {}
    // Delegate to copy-constructor for backwards compatibility
    ConformalShear(ConformalShear&& other) : ConformalShear(other) {}
    ~ConformalShear() = default;

    explicit ConformalShear(Distortion const& other) { this->operator=(other); }

    explicit ConformalShear(ReducedShear const& other) { this->operator=(other); }

    ConformalShear& operator=(ConformalShear const& other) {
        _complex = other._complex;
        return *this;
    }
    // Delegate to copy-assignment for backwards compatibility
    ConformalShear& operator=(ConformalShear&& other) { return *this = other; }

    ConformalShear& operator=(Distortion const& other);

    ConformalShear& operator=(ReducedShear const& other);

    Jacobian dAssign(ConformalShear const& other) {
        _complex = other._complex;
        return Jacobian::Identity();
    }

    Jacobian dAssign(Distortion const& other);

    Jacobian dAssign(ReducedShear const& other);

    double getAxisRatio() const;

    void normalize() {}

    static std::string getName() { return "ConformalShear"; }
};
}  // namespace ellipses
}  // namespace geom
}  // namespace afw
}  // namespace lsst

#endif  // !LSST_AFW_GEOM_ELLIPSES_ConformalShear_h_INCLUDED