LCOV - code coverage report
Current view: top level - components/SpectralComponents - SpectralElement.cc (source / functions) Hit Total Coverage
Test: casacpp_coverage.info Lines: 71 105 67.6 %
Date: 2024-11-06 17:42:47 Functions: 18 23 78.3 %

          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             : //# $Id: SpectralElement.cc 21024 2011-03-01 11:46:18Z gervandiepen $
      27             : 
      28             : #include <components/SpectralComponents/SpectralElement.h>
      29             : 
      30             : #include <casacore/casa/BasicSL/Constants.h>
      31             : #include <casacore/casa/BasicSL/String.h>
      32             : #include <casacore/casa/Arrays/ArrayLogical.h>
      33             : #include <casacore/casa/Exceptions/Error.h>
      34             : #include <casacore/casa/Utilities/MUString.h>
      35             : #include <casacore/scimath/Mathematics/AutoDiffMath.h>
      36             : #include <casacore/scimath/Functionals/Function.h>
      37             : 
      38             : //debug only
      39             : #include <casacore/scimath/Functionals/CompiledFunction.h>
      40             : #include <casacore/casa/IO/ArrayIO.h>
      41             : 
      42             : #include <iostream>
      43             : 
      44             : using namespace casacore;
      45             : namespace casa { //# NAMESPACE CASA - BEGIN
      46             : 
      47       16262 : SpectralElement::SpectralElement(SpectralElement::Types type, const Vector<Double>& parms)
      48       16262 :         : _type(type), _params(parms), _errors(parms.size(), 0),
      49       32524 :           _fixed(parms.size(), false) {}
      50             : 
      51             : 
      52     2574283 : SpectralElement::SpectralElement(const SpectralElement &other)
      53     2574283 : : _type(other._type), _params(other._params.copy()), _errors(other._errors.copy()),
      54     2574283 :   _fixed(other._fixed.copy()),
      55     2574283 :   _function(
      56             :                 std::shared_ptr<Function<Double, Double> >(
      57     2574283 :                         other._function->clone()
      58             :                 )
      59     5148566 :         ) {}
      60             : 
      61     2590545 : SpectralElement::~SpectralElement() {}
      62             : 
      63           6 : SpectralElement &SpectralElement::operator=(
      64             :         const SpectralElement &other
      65             : ) {
      66           6 :         if (this != &other) {
      67           6 :                 _type = other._type;
      68           6 :                 uInt n = other._params.size();
      69           6 :                 _params.resize(n);
      70           6 :                 _params = other._params.copy();
      71           6 :                 _errors.resize(n);
      72           6 :                 _errors = other._errors.copy();
      73           6 :                 _fixed.resize(n);
      74           6 :                 _fixed = other._fixed.copy();
      75          12 :                 _function = std::shared_ptr<Function<Double, Double> >(
      76           6 :                         other._function->clone()
      77           6 :                 );
      78             :         }
      79           6 :         return *this;
      80             : }
      81             : 
      82           0 : Double SpectralElement::operator[](const uInt n) const {
      83           0 :         if (n >= _params.size()) {
      84           0 :                 throw(AipsError("SpectralElement: Illegal index for parameter"));
      85             :         }
      86           0 :         return _params[n];
      87             : }
      88             : 
      89           0 : Bool SpectralElement::operator==(
      90             :         const SpectralElement& other
      91             : ) const {
      92           0 :         if (this == &other) {
      93           0 :                 return true;
      94             :         }
      95             :         return (
      96           0 :                 _type == other._type && allNear(_params, other._params, 1e-8)
      97           0 :                 && allNear(_errors, other._errors, 1e-8)
      98           0 :                 && allTrue(_fixed == other._fixed)
      99           0 :         );
     100             : }
     101             : 
     102       47063 : const String* SpectralElement::allTypes(
     103             :         Int &nall, const SpectralElement::Types *&typ
     104             : ) {
     105             :         static const String tname[SpectralElement::N_Types] = {
     106             :                 String("GAUSSIAN"),
     107             :                 String("POLYNOMIAL"),
     108             :                 String("COMPILED"),
     109             :                 String("GAUSSIAN MULTIPLET"),
     110             :                 String("LORENTZIAN"),
     111             :                 String("POWER LOGARITHMIC POLYNOMIAL"),
     112             :                 String("LOGARITHMIC TRANSFORMED POLYNOMIAL")
     113             : 
     114       47063 :         };
     115             : 
     116             :         static const SpectralElement::Types oname[SpectralElement::N_Types] = {
     117             :                 SpectralElement::GAUSSIAN,
     118             :                 SpectralElement::POLYNOMIAL,
     119             :                 SpectralElement::COMPILED,
     120             :                 SpectralElement::GMULTIPLET,
     121             :                 SpectralElement::LORENTZIAN,
     122             :                 SpectralElement::POWERLOGPOLY,
     123             :                 SpectralElement::LOGTRANSPOLY
     124             : 
     125             :         };
     126             : 
     127       47063 :         nall = SpectralElement::N_Types;
     128       47063 :         typ    = oname;
     129       47063 :         return tname;
     130             : }
     131             : 
     132      807428 : void SpectralElement::_set(const Vector<Double>& params) {
     133      807428 :         _params = params.copy();
     134     2434115 :         for (uInt i=0; i<params.size(); i++) {
     135     1626687 :                 (*_function)[i] = params[i];
     136             :         }
     137      807428 : }
     138             : 
     139           5 : void SpectralElement::_setType(const SpectralElement::Types type) {
     140           5 :         _type = type;
     141           5 : }
     142             : 
     143       47063 : const String &SpectralElement::fromType(SpectralElement::Types tp) {
     144             :         Int nall;
     145             :         const SpectralElement::Types *typ;
     146       47063 :         const String *const tname = SpectralElement::allTypes(nall, typ);
     147       47063 :         return tname[tp];
     148             : }
     149             : 
     150           0 : Bool SpectralElement::toType(
     151             :         SpectralElement::Types &tp, const String &typname
     152             : ) {
     153             :         Int nall;
     154             :         const SpectralElement::Types *typ;
     155           0 :         const String *const tname = SpectralElement::allTypes(nall, typ);
     156             : 
     157             :         // Make sure a value returned
     158           0 :         tp = typ[0];
     159           0 :         Int i = MUString::minimaxNC(typname, SpectralElement::N_Types, tname);
     160           0 :         if (i >= nall) {
     161           0 :                 return false;
     162             :         }
     163           0 :         tp = typ[i];
     164           0 :         return true;
     165             : }
     166             : 
     167       32498 : void SpectralElement::_setFunction(
     168             :         const std::shared_ptr<Function<Double, Double> >& f
     169             : ) {
     170       32498 :         _function = f;
     171       32498 : }
     172             : 
     173    42315760 : Double SpectralElement::operator()(const Double x) const {
     174    42315760 :         return (*_function)(x);
     175             : }
     176             : 
     177       31921 : void SpectralElement::get(Vector<Double> &param) const {
     178       31921 :         param = _params.copy();
     179       31921 : }
     180             : 
     181     2920370 : Vector<Double> SpectralElement::get() const {
     182     5840740 :         return _params.copy();
     183             : }
     184             : 
     185       31921 : void SpectralElement::getError(Vector<Double> &err) const {
     186       31921 :         err = _errors.copy();
     187       31921 : }
     188             : 
     189     1002833 : Vector<Double> SpectralElement::getError() const {
     190     2005666 :         return _errors.copy();
     191             : }
     192             : 
     193      807606 : void SpectralElement::setError(const Vector<Double> &err) {
     194      807606 :         if (err.nelements() != _params.nelements()) {
     195           0 :                 throw(
     196             :                         AipsError(
     197             :                                 "SpectralElement: setting incorrect "
     198             :                                 "number of errors in the element"
     199             :                         )
     200           0 :                 );
     201             :         }
     202      807606 :         _errors = err.copy();
     203      807606 : }
     204             : 
     205          46 : void SpectralElement::fix(const Vector<Bool> &fix) {
     206          46 :         if (fix.nelements() != _params.nelements()) {
     207           0 :                 throw(
     208             :                         AipsError(
     209             :                                 "SpectralElement: setting incorrect number of fixed "
     210             :                                 "in the element"
     211             :                         )
     212           0 :                 );
     213             :         }
     214          46 :         _fixed = fix.copy();
     215         167 :         for (uInt i=0; i<_fixed.size(); i++) {
     216         121 :                 _function->mask(i) = fix[i];
     217             :         }
     218          46 : }
     219             : 
     220      583057 : const Vector<Bool>& SpectralElement::fixed() const {
     221      583057 :         return _fixed;
     222             : }
     223             : 
     224           0 : Bool SpectralElement::toRecord(RecordInterface &out) const {
     225           0 :         out.define(RecordFieldId("type"), fromType(_type));
     226           0 :         Vector<Double> ptmp(_params);
     227           0 :         Vector<Double> etmp(_params);
     228           0 :         out.define(RecordFieldId("parameters"), _params);
     229           0 :         out.define(RecordFieldId("errors"), _errors);
     230           0 :         out.define(RecordFieldId("fixed"), _fixed);
     231           0 :         return true;
     232           0 : }
     233             : 
     234      529425 : void SpectralElement::set(const Vector<Double>& params) {
     235      529425 :         if (params.size() != get().size()) {
     236           0 :                 throw AipsError(
     237             :                         "Input number of parameters does not match "
     238             :                         "the current number of parameters"
     239           0 :                 );
     240             :         }
     241      529425 :         _set(params);
     242      529425 : }
     243             : 
     244             : } //# NAMESPACE CASA - END
     245             : 
     246             : 

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