| 1 | //# Lorentzian1DParam.cc: Parameter handling for one-dimensional Lorentzian class
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| 2 | //# Copyright (C) 2001,2002
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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: Lorentzian1DParam.tcc 20253 2010-02-15 12:15:00Z Wataru.Kawasaki $
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| 27 |
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| 28 | //# Includes
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| 29 | #include "Lorentzian1DParam.h"
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| 30 | #include <casa/BasicSL/Constants.h>
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| 31 | #include <casa/BasicMath/Math.h>
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| 32 |
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| 33 | namespace casa { //# NAMESPACE CASA - BEGIN
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| 34 |
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| 35 | //# Statics
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| 36 | ///template<class T>
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| 37 | ///const T Lorentzian1DParam<T>::fwhm2int = T(1.0)/sqrt(log(T(16.0)));
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| 38 |
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| 39 | //# Constructors
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| 40 | template<class T>
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| 41 | Lorentzian1DParam<T>::Lorentzian1DParam() :
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| 42 | Function1D<T>(3),
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| 43 | fwhm2int(T(1.0)/T(2.0)) {
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| 44 | param_p[HEIGHT] = T(1.0);
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| 45 | param_p[CENTER] = T(0.0);
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| 46 | param_p[WIDTH] = T(1.0);
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| 47 | }
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| 48 |
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| 49 | template<class T>
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| 50 | Lorentzian1DParam<T>::Lorentzian1DParam(const T &height) :
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| 51 | Function1D<T>(3),
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| 52 | fwhm2int(T(1.0)/T(2.0)) {
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| 53 | param_p[HEIGHT] = height;
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| 54 | param_p[CENTER] = T(0.0);
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| 55 | param_p[WIDTH] = T(1.0);
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| 56 | }
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| 57 |
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| 58 | template<class T>
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| 59 | Lorentzian1DParam<T>::Lorentzian1DParam(const T &height, const T ¢er) :
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| 60 | Function1D<T>(3),
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| 61 | fwhm2int(T(1.0)/T(2.0)) {
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| 62 | param_p[HEIGHT] = height;
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| 63 | param_p[CENTER] = center;
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| 64 | param_p[WIDTH] = T(1.0);
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| 65 | }
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| 66 |
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| 67 | template<class T>
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| 68 | Lorentzian1DParam<T>::Lorentzian1DParam(const T &height, const T ¢er,
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| 69 | const T &width) :
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| 70 | Function1D<T>(3),
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| 71 | fwhm2int(T(1.0)/T(2.0)) {
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| 72 | param_p[HEIGHT] = height;
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| 73 | param_p[CENTER] = center;
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| 74 | param_p[WIDTH] = width;
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| 75 | }
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| 76 |
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| 77 | template<class T>
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| 78 | Lorentzian1DParam<T>::Lorentzian1DParam(const Lorentzian1DParam<T> &other) :
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| 79 | Function1D<T>(other),
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| 80 | fwhm2int(T(1.0)/T(2.0)) {}
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| 81 |
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| 82 | template<class T>
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| 83 | Lorentzian1DParam<T>::~Lorentzian1DParam() {}
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| 84 |
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| 85 | //# Operators
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| 86 | template<class T>
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| 87 | Lorentzian1DParam<T> &
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| 88 | Lorentzian1DParam<T>::operator=(const Lorentzian1DParam<T> &other) {
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| 89 | if (this != &other) {
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| 90 | fwhm2int = other.fwhm2int;
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| 91 | Function1D<T>::operator=(other);
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| 92 | }
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| 93 | return *this;
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| 94 | }
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| 95 |
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| 96 | //# Member functions
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| 97 | template<class T>
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| 98 | T Lorentzian1DParam<T>::flux() const {
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| 99 | return param_p[HEIGHT]*abs(param_p[WIDTH])*fwhm2int*T(C::pi);
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| 100 | }
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| 101 |
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| 102 | template<class T>
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| 103 | void Lorentzian1DParam<T>::setFlux(const T &flux) {
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| 104 | param_p[HEIGHT] = flux*T(C::_1_pi)/abs(param_p[WIDTH])/fwhm2int;
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| 105 | }
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| 106 |
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| 107 | } //# NAMESPACE CASA - END
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| 108 |
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