1 | //# Lorentzian1D.cc: A one-dimensional Lorentzian class
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2 | //# Copyright (C) 1994,1995,1996,1999,2001,2002
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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: Lorentzian1D.tcc 19879 2010-02-15 12:52:50Z Wataru.Kawasaki $
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27 |
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28 | //# Includes
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29 | #include "Lorentzian1D.h"
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30 | #include <casa/BasicMath/Math.h>
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31 |
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32 | namespace casa { //# NAMESPACE CASA - BEGIN
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33 |
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34 | //# Constructors
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35 |
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36 | //# Operators
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37 | template<class T>
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38 | T Lorentzian1D<T>::eval(typename Function1D<T>::FunctionArg x) const {
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39 | T value = (x[0] - param_p[CENTER])/param_p[WIDTH]/fwhm2int;
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40 | return param_p[HEIGHT] / (T(1.0) + value*value);
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41 | }
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42 |
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43 | //# Member functions
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44 |
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45 | } //# NAMESPACE CASA - END
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46 |
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