1 | //# SpectralElement.cc: Describes (a set of related) spectral lines
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2 | //# Copyright (C) 2001,2004
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3 | //# Associated Universities, Inc. Washington DC, USA.
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4 | //#
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5 | //# This library is free software; you can redistribute it and/or modify it
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6 | //# under the terms of the GNU Library General Public License as published by
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7 | //# the Free Software Foundation; either version 2 of the License, or (at your
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8 | //# option) any later version.
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9 | //#
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10 | //# This library is distributed in the hope that it will be useful, but WITHOUT
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11 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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13 | //# License for more details.
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14 | //#
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15 | //# You should have received a copy of the GNU Library General Public License
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16 | //# along with this library; if not, write to the Free Software Foundation,
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17 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
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18 | //#
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19 | //# Correspondence concerning AIPS++ should be addressed as follows:
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20 | //# Internet email: aips2-request@nrao.edu.
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21 | //# Postal address: AIPS++ Project Office
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22 | //# National Radio Astronomy Observatory
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23 | //# 520 Edgemont Road
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24 | //# Charlottesville, VA 22903-2475 USA
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25 | //#
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26 | //# $Id: SpectralElement.cc 21024 2011-03-01 11:46:18Z gervandiepen $
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27 |
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28 | #include <components/SpectralComponents/PowerLogPolynomialSpectralElement.h>
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29 |
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30 | #include <scimath/Functionals/PowerLogarithmicPolynomial.h>
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31 |
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32 | #include <casa/iostream.h>
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33 |
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34 | #define _ORIGIN String("PowerLogPolynomialSpectralElement::") + __FUNCTION__ + ":" + String::toString(__LINE__) + ": "
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35 |
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36 |
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37 | namespace casa { //# NAMESPACE CASA - BEGIN
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38 |
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39 | /*
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40 | PowerLogPolynomialSpectralElement::PowerLogPolynomialSpectralElement(
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41 | uInt n
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42 | ) : SpectralElement(SpectralElement::POWERLOGPOLY, n) {
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43 | if (n == 0) {
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44 | throw AipsError(_ORIGIN + "n must be greater than zero.");
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45 | }
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46 | //_makeFunction();
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47 | _setFunction(
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48 | std::tr1::shared_ptr<PowerLogarithmicPolynomial<Double> >(
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49 | new PowerLogarithmicPolynomial(n)
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50 | )
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51 | );
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52 | }
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53 | */
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54 | PowerLogPolynomialSpectralElement::PowerLogPolynomialSpectralElement(
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55 | const Vector<Double>& param
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56 | ) : SpectralElement(SpectralElement::POWERLOGPOLY, param) {
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57 | //_makeFunction();
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58 | _setFunction(
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59 | std::tr1::shared_ptr<PowerLogarithmicPolynomial<Double> >(
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60 | new PowerLogarithmicPolynomial<Double>(param.tovector())
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61 | )
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62 | );
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63 | }
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64 |
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65 | /*
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66 | void PowerLogPolynomialSpectralElement::_makeFunction() {
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67 | ostringstream function;
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68 | function << "p0";
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69 | uInt n = get().size();
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70 | for (uInt i=1; i<n; i++) {
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71 | if (i == 1) {
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72 | function << "*(x)^(p1";
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73 | }
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74 | else {
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75 | function << " + p" << i << "*ln(x)";
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76 | if (i > 2) {
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77 | function << "^" << (i-1);
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78 | }
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79 | }
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80 | if (i == n-1) {
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81 | function << ")";
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82 | }
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83 | }
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84 | _setFunction(function.str());
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85 | }
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86 | */
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87 |
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88 | PowerLogPolynomialSpectralElement::PowerLogPolynomialSpectralElement(
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89 | const PowerLogPolynomialSpectralElement &other
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90 | ) : SpectralElement(other) {}
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91 |
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92 | PowerLogPolynomialSpectralElement::~PowerLogPolynomialSpectralElement() {}
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93 |
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94 | PowerLogPolynomialSpectralElement& PowerLogPolynomialSpectralElement::operator=(
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95 | const PowerLogPolynomialSpectralElement& other
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96 | ) {
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97 | if (this != &other) {
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98 | SpectralElement::operator=(other);
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99 | }
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100 | return *this;
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101 | }
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102 |
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103 | SpectralElement* PowerLogPolynomialSpectralElement::clone() const {
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104 | return new PowerLogPolynomialSpectralElement(*this);
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105 | }
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106 |
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107 | ostream &operator<<(ostream& os, const PowerLogPolynomialSpectralElement& elem) {
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108 | os << SpectralElement::fromType((elem.getType())) << " element: " << endl;
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109 | ostringstream function;
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110 | function << "p0";
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111 | uInt n = elem.get().size();
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112 | for (uInt i=1; i<n; i++) {
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113 | if (i == 1) {
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114 | function << "*(x)^(p1";
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115 | }
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116 | else {
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117 | function << " + p" << i << "*ln(x)";
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118 | if (i > 2) {
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119 | function << "^" << (i-1);
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120 | }
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121 | }
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122 | if (i == n-1) {
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123 | function << ")";
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124 | }
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125 | }
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126 | os << " Function: " << function.str() << endl;
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127 | const Vector<Double> p = elem.get();
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128 | for (uInt i=0; i<p.size(); i++) {
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129 | os << "p" << i << ": " << p[i] << endl;
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130 | }
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131 | return os;
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132 | }
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133 |
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134 |
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135 | } //# NAMESPACE CASA - END
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136 |
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