source: trunk/external-alma/components/SpectralComponents/CompiledSpectralElement.cc @ 2980

//# 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
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//#

#include <components/SpectralComponents/CompiledSpectralElement.h>

#include <scimath/Functionals/CompiledFunction.h>
#include <scimath/Mathematics/AutoDiffMath.h>

#include <casa/iostream.h>

namespace casa { //# NAMESPACE CASA - BEGIN

CompiledSpectralElement::CompiledSpectralElement() {}

CompiledSpectralElement::CompiledSpectralElement(
                const String& function,
                const Vector<Double>& param
) : SpectralElement(SpectralElement::COMPILED, param)/*, _function(function)*/ {
        _setFunction(function);
        /*
        if (! comp->setFunction(_function)) {
                throw AipsError(
                        "CompiledSpectralElement: An illegal functional string "
                        "was specified for a compiled SpectralElement"
                );
        }
        if(comp->nparameters() != param.size()) {
                throw AipsError(
                        "CompiledSpectralElement: Number of parameters in the "
                        "compiled function does not match number of input parameters"
                );
        }
        */
}

CompiledSpectralElement::CompiledSpectralElement(
        SpectralElement::Types type, const Vector<Double>& param
) : SpectralElement(type, param)/*, _function("")*/ {}

CompiledSpectralElement::CompiledSpectralElement(
        SpectralElement::Types type, uInt nParam
) : SpectralElement(type, Vector<Double>(nParam))/*, _function("")*/ {}

CompiledSpectralElement::CompiledSpectralElement(
        const CompiledSpectralElement& other
) : SpectralElement(other)/*, _function(other._function)*/ {}

CompiledSpectralElement::~CompiledSpectralElement() {}

SpectralElement* CompiledSpectralElement::clone() const {
        return new CompiledSpectralElement(*this);
}

CompiledSpectralElement& CompiledSpectralElement::operator=(
        const CompiledSpectralElement &other
) {
        if (this != &other) {
                SpectralElement::operator=(other);
                //_function = other._function;
        }
        return *this;
}

/*
Bool CompiledSpectralElement::operator==(
        const CompiledSpectralElement& other
) const {
        return SpectralElement::operator==(other);// && _function == other._function;

}
*/

/*
Double CompiledSpectralElement::operator()(const Double x) const {
        CompiledFunction<Double> comp;
        comp.setFunction(_function);
        comp.parameters().setParameters(get());
        return comp(x);
}
*/

const String& CompiledSpectralElement::getFunction() const {
        // return _function;
        std::tr1::shared_ptr<Function<Double, Double> >  f = _getFunction();
        return dynamic_cast<CompiledFunction<Double> *>(SpectralElement::_getFunction().get())->getText();
}


void CompiledSpectralElement::_setFunction(const String& function) {
        //_function = function;
        std::tr1::shared_ptr<Function<Double, Double> > f = _getFunction();
        CompiledFunction<Double> *cf = f.get() == 0
                ? new CompiledFunction<Double>()
                : dynamic_cast<CompiledFunction<Double> *>(f.get());
        if (! cf->setFunction(function)) {
                throw AipsError(
                        "CompiledSpectralElement: An illegal functional string "
                        "was specified for a compiled SpectralElement"
                );
        }
        if (f.get() == 0) {
                f.reset(cf);
        }
        uInt n = get().size();
        if(n > 0 && cf->nparameters() != n) {
                throw AipsError(
                        "CompiledSpectralElement: Number of parameters in the "
                        "compiled function does not match number of input parameters"
                );
        }
        SpectralElement::_setFunction(f);
}


Bool CompiledSpectralElement::toRecord(RecordInterface& out) const {
        SpectralElement::toRecord(out);
        out.define(RecordFieldId("compiled"), getFunction());
        return True;
}

ostream &operator<<(ostream& os, const CompiledSpectralElement& elem) {
        os << SpectralElement::fromType((elem.getType())) << " element: " << endl;
        os << "  Function:    " << elem.getFunction() << endl;
        const Vector<Double> p = elem.get();
        for (uInt i=0; i<p.size(); i++) {
                os << "p" << i << ": " << p[i] << endl;
        }
        return os;
}

} //# NAMESPACE CASA - END