TrapezoidalPacker.h

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// -*- LSST-C++ -*-
/*
 * LSST Data Management System
 * Copyright 2008-2014 LSST Corporation.
 *
 * This product includes software developed by the
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#ifndef LSST_AFW_MATH_DETAIL_TrapezoidalPacker_h_INCLUDED
#define LSST_AFW_MATH_DETAIL_TrapezoidalPacker_h_INCLUDED

#include "lsst/afw/math/ChebyshevBoundedField.h"

namespace lsst {
namespace afw {
namespace math {
namespace detail {

struct TrapezoidalPacker final {
    explicit TrapezoidalPacker(ChebyshevBoundedFieldControl const& ctrl);

    void pack(ndarray::Array<double, 1, 1> const& out, ndarray::Array<double const, 1, 1> const& tx,
              ndarray::Array<double const, 1, 1> const& ty) const;

    void pack(ndarray::Array<double, 1, 1> const& out,
              ndarray::Array<double const, 2, 2> const& unpacked) const;

    void unpack(ndarray::Array<double, 2, 2> const& out,
                ndarray::Array<double const, 1, 1> const& packed) const;

    ndarray::Array<double, 2, 2> unpack(ndarray::Array<double const, 1, 1> const& packed) const;

    int nx;
    int ny;
    int m;
    int size;
};
}  // namespace detail
}  // namespace math
}  // namespace afw
}  // namespace lsst

#endif  // !LSST_AFW_MATH_DETAIL_TrapezoidalPacker_h_INCLUDED