BinomialMatrix.h

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// -*- LSST-C++ -*-
/*
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 * This product includes software developed by the LSST Project
 * (https://www.lsst.org).
 * See the COPYRIGHT file at the top-level directory of this distribution
 * for details of code ownership.
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#ifndef LSST_AFW_MATH_POLYNOMIALS_BinomialMatrix_h_INCLUDED
#define LSST_AFW_MATH_POLYNOMIALS_BinomialMatrix_h_INCLUDED

#include "Eigen/Core"

namespace lsst { namespace geom { namespace polynomials {

class BinomialMatrix {
public:

    explicit BinomialMatrix(int nMax);

    double operator()(int n, int k) const {
        return _matrix(n, k);
    }

private:
    Eigen::MatrixXd _matrix;
};

}}} // namespace lsst::geom::polynomials

#endif // !LSST_AFW_MATH_POLYNOMIALS_BinomialMatrix_h_INCLUDED