Line data    Source code

       1             : //# SpectralElement.cc: Describes (a set of related) spectral lines
       2             : //# Copyright (C) 2001,2004
       3             : //# Associated Universities, Inc. Washington DC, USA.
       4             : //#
       5             : //# This library is free software; you can redistribute it and/or modify it
       6             : //# under the terms of the GNU Library General Public License as published by
       7             : //# the Free Software Foundation; either version 2 of the License, or (at your
       8             : //# option) any later version.
       9             : //#
      10             : //# This library is distributed in the hope that it will be useful, but WITHOUT
      11             : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      12             : //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
      13             : //# License for more details.
      14             : //#
      15             : //# You should have received a copy of the GNU Library General Public License
      16             : //# along with this library; if not, write to the Free Software Foundation,
      17             : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
      18             : //#
      19             : //# Correspondence concerning AIPS++ should be addressed as follows:
      20             : //#        Internet email: casa-feedback@nrao.edu.
      21             : //#        Postal address: AIPS++ Project Office
      22             : //#                        National Radio Astronomy Observatory
      23             : //#                        520 Edgemont Road
      24             : //#                        Charlottesville, VA 22903-2475 USA
      25             : //#
      26             : 
      27             : #include <components/SpectralComponents/CompiledSpectralElement.h>
      28             : 
      29             : #include <casacore/scimath/Functionals/CompiledFunction.h>
      30             : #include <casacore/scimath/Mathematics/AutoDiffMath.h>
      31             : 
      32             : #include <iostream>
      33             : 
      34             : using namespace casacore;
      35             : namespace casa { //# NAMESPACE CASA - BEGIN
      36             : 
      37           0 : CompiledSpectralElement::CompiledSpectralElement() {}
      38             : 
      39           0 : CompiledSpectralElement::CompiledSpectralElement(
      40             :                 const String& function,
      41             :                 const Vector<Double>& param
      42           0 : ) : SpectralElement(SpectralElement::COMPILED, param)/*, _function(function)*/ {
      43           0 :         _setFunction(function);
      44             :         /*
      45             :         if (! comp->setFunction(_function)) {
      46             :                 throw AipsError(
      47             :                         "CompiledSpectralElement: An illegal functional string "
      48             :                         "was specified for a compiled SpectralElement"
      49             :                 );
      50             :         }
      51             :         if(comp->nparameters() != param.size()) {
      52             :                 throw AipsError(
      53             :                         "CompiledSpectralElement: Number of parameters in the "
      54             :                         "compiled function does not match number of input parameters"
      55             :                 );
      56             :         }
      57             :         */
      58           0 : }
      59             : 
      60           0 : CompiledSpectralElement::CompiledSpectralElement(
      61             :         SpectralElement::Types type, const Vector<Double>& param
      62           0 : ) : SpectralElement(type, param)/*, _function("")*/ {}
      63             : 
      64           0 : CompiledSpectralElement::CompiledSpectralElement(
      65             :         SpectralElement::Types type, uInt nParam
      66           0 : ) : SpectralElement(type, Vector<Double>(nParam))/*, _function("")*/ {}
      67             : 
      68           0 : CompiledSpectralElement::CompiledSpectralElement(
      69             :         const CompiledSpectralElement& other
      70           0 : ) : SpectralElement(other)/*, _function(other._function)*/ {}
      71             : 
      72           0 : CompiledSpectralElement::~CompiledSpectralElement() {}
      73             : 
      74           0 : SpectralElement* CompiledSpectralElement::clone() const {
      75           0 :         return new CompiledSpectralElement(*this);
      76             : }
      77             : 
      78           0 : CompiledSpectralElement& CompiledSpectralElement::operator=(
      79             :         const CompiledSpectralElement &other
      80             : ) {
      81           0 :         if (this != &other) {
      82           0 :                 SpectralElement::operator=(other);
      83             :                 //_function = other._function;
      84             :         }
      85           0 :         return *this;
      86             : }
      87             : 
      88             : /*
      89             : Bool CompiledSpectralElement::operator==(
      90             :         const CompiledSpectralElement& other
      91             : ) const {
      92             :         return SpectralElement::operator==(other);// && _function == other._function;
      93             : 
      94             : }
      95             : */
      96             : 
      97             : /*
      98             : Double CompiledSpectralElement::operator()(const Double x) const {
      99             :         CompiledFunction<Double> comp;
     100             :         comp.setFunction(_function);
     101             :         comp.parameters().setParameters(get());
     102             :         return comp(x);
     103             : }
     104             : */
     105             : 
     106           0 : const String& CompiledSpectralElement::getFunction() const {
     107             :         // return _function;
     108           0 :         std::shared_ptr<Function<Double, Double> >  f = _getFunction();
     109           0 :         return dynamic_cast<CompiledFunction<Double> *>(SpectralElement::_getFunction().get())->getText();
     110           0 : }
     111             : 
     112             : 
     113           0 : void CompiledSpectralElement::_setFunction(const String& function) {
     114             :         //_function = function;
     115           0 :         std::shared_ptr<Function<Double, Double> > f = _getFunction();
     116           0 :         CompiledFunction<Double> *cf = f ? dynamic_cast<CompiledFunction<Double> *>(f.get())
     117           0 :                                          : new CompiledFunction<Double>( );
     118           0 :         if (! cf->setFunction(function)) {
     119           0 :                 throw AipsError(
     120             :                         "CompiledSpectralElement: An illegal functional string "
     121             :                         "was specified for a compiled SpectralElement"
     122           0 :                 );
     123             :         }
     124           0 :         if ( ! f ) {
     125           0 :                 f.reset(cf);
     126             :         }
     127           0 :         uInt n = get().size();
     128           0 :         if(n > 0 && cf->nparameters() != n) {
     129           0 :                 throw AipsError(
     130             :                         "CompiledSpectralElement: Number of parameters in the "
     131             :                         "compiled function does not match number of input parameters"
     132           0 :                 );
     133             :         }
     134           0 :         SpectralElement::_setFunction(f);
     135           0 : }
     136             : 
     137             : 
     138           0 : Bool CompiledSpectralElement::toRecord(RecordInterface& out) const {
     139           0 :         SpectralElement::toRecord(out);
     140           0 :         out.define(RecordFieldId("compiled"), getFunction());
     141           0 :         return true;
     142             : }
     143             : 
     144           0 : ostream &operator<<(ostream& os, const CompiledSpectralElement& elem) {
     145           0 :         os << SpectralElement::fromType((elem.getType())) << " element: " << endl;
     146           0 :         os << "  Function:    " << elem.getFunction() << endl;
     147           0 :         const Vector<Double> p = elem.get();
     148           0 :         for (uInt i=0; i<p.size(); i++) {
     149           0 :                 os << "p" << i << ": " << p[i] << endl;
     150             :         }
     151           0 :         return os;
     152           0 : }
     153             : 
     154             : } //# NAMESPACE CASA - END
     155             : 
     156             :