casa6

//# SpectralElement.cc: Describes (a set of related) spectral lines

//# Copyright (C) 2001,2004

//# Associated Universities, Inc. Washington DC, USA.

//#

//# This library is free software; you can redistribute it and/or modify it

//# under the terms of the GNU Library General Public License as published by

//# the Free Software Foundation; either version 2 of the License, or (at your

//# option) any later version.

//#

//# This library is distributed in the hope that it will be useful, but WITHOUT

//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public

//# License for more details.

//#

//# You should have received a copy of the GNU Library General Public License

//# along with this library; if not, write to the Free Software Foundation,

//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.

//#

//# Correspondence concerning AIPS++ should be addressed as follows:

//#        Internet email: aips2-request@nrao.edu.

//#        Postal address: AIPS++ Project Office

//#                        National Radio Astronomy Observatory

//#                        520 Edgemont Road

//#                        Charlottesville, VA 22903-2475 USA

//#

//# $Id: SpectralElement.cc 21024 2011-03-01 11:46:18Z gervandiepen $

​

//# Includes

#include <components/SpectralComponents/PolynomialSpectralElement.h>

​

#include <scimath/Functionals/Polynomial.h>

​

#include <casa/iostream.h>

​

using namespace casacore;

namespace casa { //# NAMESPACE CASA - BEGIN

​

PolynomialSpectralElement::PolynomialSpectralElement()

: SpectralElement(SpectralElement::POLYNOMIAL, Vector<Double>(0)) {

    _setFunction(

        std::shared_ptr<Polynomial<Double> >(

            new Polynomial<Double>()

        )

    );

}

​

PolynomialSpectralElement::PolynomialSpectralElement(const uInt n)

: SpectralElement(SpectralElement::POLYNOMIAL, Vector<Double>(n+1)) {

    _setFunction(

        std::shared_ptr<Polynomial<Double> >(

            new Polynomial<Double>(n)

        )

    );

}

​

PolynomialSpectralElement::PolynomialSpectralElement(const Vector<Double>& param)

: SpectralElement(SpectralElement::POLYNOMIAL, param) {

    _setFunction(

        std::shared_ptr<Polynomial<Double> >(

            new Polynomial<Double>(param.size())

        )

    );

    _set(param);

    fix(Vector<Bool>(param.size(), false));

}

​

PolynomialSpectralElement::PolynomialSpectralElement(

    const PolynomialSpectralElement &other

) : SpectralElement(other) {}

​

PolynomialSpectralElement::~PolynomialSpectralElement() {}

​

SpectralElement* PolynomialSpectralElement::clone() const {

    return new PolynomialSpectralElement(*this);

}

​

/*

Double PolynomialSpectralElement::operator()(const Double x) const {

    Double s = 0;

    Vector<Double> p = get();

    for (uInt i=0; i<p.size(); i++) {

        Double prod = 1;

        for (uInt j=0; j<i; j++) {

            prod *= x;

        }

        s += p[i]*prod;

    }

    return s;

}

*/

​