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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/PowerLogPolynomialSpectralElement.h> 29 : 30 : #include <casacore/scimath/Functionals/PowerLogarithmicPolynomial.h> 31 : 32 : #include <iostream> 33 : 34 : #define _ORIGIN String("PowerLogPolynomialSpectralElement::") + __FUNCTION__ + ":" + String::toString(__LINE__) + ": " 35 : 36 : 37 : using namespace casacore; 38 : namespace casa { //# NAMESPACE CASA - BEGIN 39 : 40 : /* 41 : PowerLogPolynomialSpectralElement::PowerLogPolynomialSpectralElement( 42 : uInt n 43 : ) : SpectralElement(SpectralElement::POWERLOGPOLY, n) { 44 : if (n == 0) { 45 : throw AipsError(_ORIGIN + "n must be greater than zero."); 46 : } 47 : //_makeFunction(); 48 : _setFunction( 49 : std::shared_ptr<PowerLogarithmicPolynomial<Double> >( 50 : new PowerLogarithmicPolynomial(n) 51 : ) 52 : ); 53 : } 54 : */ 55 11 : PowerLogPolynomialSpectralElement::PowerLogPolynomialSpectralElement( 56 : const Vector<Double>& param 57 11 : ) : SpectralElement(SpectralElement::POWERLOGPOLY, param) { 58 : //_makeFunction(); 59 11 : _setFunction( 60 22 : std::shared_ptr<PowerLogarithmicPolynomial<Double> >( 61 22 : new PowerLogarithmicPolynomial<Double>(param.tovector()) 62 : ) 63 : ); 64 11 : } 65 : 66 : /* 67 : void PowerLogPolynomialSpectralElement::_makeFunction() { 68 : ostringstream function; 69 : function << "p0"; 70 : uInt n = get().size(); 71 : for (uInt i=1; i<n; i++) { 72 : if (i == 1) { 73 : function << "*(x)^(p1"; 74 : } 75 : else { 76 : function << " + p" << i << "*ln(x)"; 77 : if (i > 2) { 78 : function << "^" << (i-1); 79 : } 80 : } 81 : if (i == n-1) { 82 : function << ")"; 83 : } 84 : } 85 : _setFunction(function.str()); 86 : } 87 : */ 88 : 89 3032 : PowerLogPolynomialSpectralElement::PowerLogPolynomialSpectralElement( 90 : const PowerLogPolynomialSpectralElement &other 91 3032 : ) : SpectralElement(other) {} 92 : 93 6075 : PowerLogPolynomialSpectralElement::~PowerLogPolynomialSpectralElement() {} 94 : 95 0 : PowerLogPolynomialSpectralElement& PowerLogPolynomialSpectralElement::operator=( 96 : const PowerLogPolynomialSpectralElement& other 97 : ) { 98 0 : if (this != &other) { 99 0 : SpectralElement::operator=(other); 100 : } 101 0 : return *this; 102 : } 103 : 104 3032 : SpectralElement* PowerLogPolynomialSpectralElement::clone() const { 105 3032 : return new PowerLogPolynomialSpectralElement(*this); 106 : } 107 : 108 0 : ostream &operator<<(ostream& os, const PowerLogPolynomialSpectralElement& elem) { 109 0 : os << SpectralElement::fromType((elem.getType())) << " element: " << endl; 110 0 : ostringstream function; 111 0 : function << "p0"; 112 0 : uInt n = elem.get().size(); 113 0 : for (uInt i=1; i<n; i++) { 114 0 : if (i == 1) { 115 0 : function << "*(x)^(p1"; 116 : } 117 : else { 118 0 : function << " + p" << i << "*ln(x)"; 119 0 : if (i > 2) { 120 0 : function << "^" << (i-1); 121 : } 122 : } 123 0 : if (i == n-1) { 124 0 : function << ")"; 125 : } 126 : } 127 0 : os << " Function: " << function.str() << endl; 128 0 : const Vector<Double> p = elem.get(); 129 0 : for (uInt i=0; i<p.size(); i++) { 130 0 : os << "p" << i << ": " << p[i] << endl; 131 : } 132 0 : return os; 133 0 : } 134 : 135 : 136 : } //# NAMESPACE CASA - END 137 :