polynomials.h

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// -*- lsst-c++ -*-
/*
 * LSST Data Management System
 * Copyright 2015 LSST/AURA
 *
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * This program is free software: you can redistribute it and/or modify
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 * GNU General Public License for more details.
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#ifndef LSST_MEAS_MODELFIT_DETAIL_polynomials_h_INCLUDED
#define LSST_MEAS_MODELFIT_DETAIL_polynomials_h_INCLUDED
 
#include "Eigen/Core"
 
namespace lsst { namespace meas { namespace modelfit { namespace detail {

template <int N>
class Vandermonde {
public:
    typedef Eigen::Matrix<double,1,N> RowVector;

    static RowVector eval(double x);

    static RowVector differentiate1(double x);

    static RowVector differentiate2(double x);

    static RowVector moment(double x0, double x1, int m=0);
 
};

Eigen::Vector4d solveRampPoly(double v0, double v1, double x0, double x1, double s0, double s1);
 
}}}} // namespace lsst::meas::modelfit::detail
 
#endif // !LSST_MEAS_MODELFIT_DETAIL_polynomials_h_INCLUDED